line maintenance manual iss 02 rev 06

5/28/2018 Line Maintenance Manual Iss 02 Rev 06

1/191

LINE MAINTENANCE MANUAL

Hni - 12. 2013


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CHAPTER 1

ORGANIZATION AND RESPONSIBILITY

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Issue: 02

Rev. : 06

Date : Jan.2014

chapter 0

GENERAL


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CHAPTER 0

GENERAL

Page: 0.0 / 1

Issue: 02

Rev. : 06

Date : Jan. 2014

0.0 Table of ContentIndex Titles and Descriptions Pages

CHAPTER 0: GENERAL

0.0 Table of Content 0.0/1

0.1 Approval Sheet 0.1/1

0.2 Transmittal Letter 0.2/1

0.3 Record of Revisions 0.3/1

0.4 List of Effective Pages 0.4/1

0.5 Distribution List 0.5/1

0.6 Procedure of Amendment and Revision 0.6/10.7 Abbreviations 0.7/1

08 Summary of Changes 0.8/1

CHAPTER 1: ORGANISATION AND RESPONSIBILITY

1.0 Content of Chapter One 1.0/1

1.1 VNAs General Policy and Administration of Line

Maintenance

1.1/1

1.1.1 General Policy 1.1.1

1.1.2 Line Maintenance Administration 1.1/2

1.1.3 Duty and Responsibilities 1.1/3

1.2 Contracted Line Maintenance Organizations and

Authorization

1.2/1

1.2.1 VAECO - A Member of Vietnam Airlines 1.2/1

1.2.2 Other Line Maintenance Organizations 1.2/1

1.3 VNAs aircraft fleet 1.3/1

1.4 List of VNAs outstations 1.4/1CHAPTER 2 : LINE MAINTENANCE PROCEDURES

2.0 Content of Chapter two 2.0/1

2.1 Master line maintenance Procedures 2.1/1

2.2 Use and Completion of line documentations 2.2/1

2.3 Defect Control Procedures 2.3/1

2.4 Fuelling procedure 2.4/1

2.5 Reporting Systems 2.5/12.6 De/Anti-Icing Procedures 2.6/1

2.7 Components movement monitoring 2.7/1


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2.8 Aircraft Incident and Accident Handling Procedures 2.8/1

2.9 ETOPS Maintenance Procedures 2.9/1

2.10 One-Off Authorization 2.10/1

2.11 Certifying Staff - Monitoring and Control 2.11/1

2.12 Installation of Aircraft Wheel-Chocks Procedure 2.12/1

2.13 RVSM and RNP Maintenance Procedure 2.13/1

2.14 CAT II/III Maintenance Procedure 2.14/1

CHAPTER 3: LINE MAINTENANCE CHECKLIST

3.0 Content of Chapter Three 3.0/1

3.1 Control of Line Maintenance Checklists onboard 3.1/1

3.2 List of Line Maintenance Checklist 3.2/1

CHAPTER 4: FORMS AND INSTRUCTIONS

4.0 Content of Chapter Four 4.0/1

4.1 Line Maintenance Instructions 4.1/1

4.1.1 Control of blanking and locking devices 4.1/1

4.1.2 Maintenance Data to be used at outstations 4.1/1

4.1.3 Control and monitoring of defects 4.1/2

4.1.4 Spare request, aircraft parts/components acquisition and

handling

4.1/5

4.1.5 Special inspections 4.1/7

4.1.6 Recording of tools and test equipments used for maintenance 4.1/10

4.1.7 Structural damage repair 4.1/11

4.1.8 Paper works during line maintenance 4.1/11

4.1.9 Aircraft maintenance records 4.1/11

4.2 Line Maintenance Forms 4.2/1

4.2.1 Technical Log 4.2/1

4.2.2 Cabin Defect Log 4.2/10

4.2.3 MEL/Airworthiness related acceptable deferred defects

Type B

4.2/12

4.2.4 Non-MEL/Airworthiness related acceptable deferred defects

Type C

4.2/14

4.2.5 Movement TELEX 4.2/16

4.2.6 Mandatory Occurrence Report 4.2/17

4.2.7 A.O.G Report 4.2/21

4.2.8 Technical Delay Report 4.2/22


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4.2.9 Concession/Variation Request 4.2/23

4.2.10 Serviceable/Unserviceable Item 4.2/24

4.2.11 Note to crews and engineers form 4.2/25

4.2.12 Aircraft/Engine dent and buckle chart forms 4.2/26


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CHAPTER 0

GENERAL

Page: 0.1 / 1

Issue: 02

Rev. : 06

Date : Jan. 2014

0.1 Approval Sheet

Issue

No.

Revision

No.

Date of

Issue

Effective

Date

Approved by:

(Sign and Full Name)

01 00 Jun. 2007 01.Jul.2007 (Signed date: June 2007)

Vice President Technical

Nguyen Van Hung

01 01 Nov.2007 Dec.2007 (Signed date: Dec. 2007)


Nguyen Van Hung

02 00 Mar.2009 Apr.2009 (Signed date: Mar. 2009)


Nguyen Van Hung02 01 Aug. 2009 Sep.2009 (Signed date: Oct. 2009)


Nguyen Van Hung


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GENERAL

Page: 0.1 / 2

Issue: 02

Rev. : 06

Date : Jan. 2014

Issue

No.

Revision

No.

Date of

Issue

Effective

Date

Approved by:

(Sign and Full Name)

02 02 Dec. 2010 01.Jan.2011 (Signed date: Jan. 2011)


Nguyen Van Hung02 03 Dec.2011 Feb.2012 (Signed date: Feb. 2012)


Nguyen Van Hung02 04 Feb.2012 Mar.2012 (Signed date: Mar. 2012)


Nguyen Ngoc Trong

02 04A Jun.2012 Jun.2012


8/191

Vietnam AirlinesLINE MAINTENANCE MANUAL

CHAPTER 0GENERAL

Page: 0.1 /3Issue: 02Rev.: 06Date: Jan. 2014

Issue Revision Date of Effective Approved by:No. No. Issue Date Sign and Full Name)02 05 Jan.2013 Jan.2013 Date:.J6/0J/20 13

Vice President Technica1~

Nguyen Ngoc Trong02 05A Ju1.2013 Ju1.2013 Date: 3ld 2013Director of Technical

Department1k

Nguyen Chien Tbang02 06 Jan.2013 Jan.2014 Date:01 ffa 2 4

Vice President Tp ~1 a_

~ 0\

rxguyen Ngoc Trong


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CHAPTER 0

GENERAL

Page: 0.2 / 1

Issue: 02

Rev. : 06

Date : Jan. 2014

0.2 Transmittal Letter

TRANSMITTAL LETTER


ISSUE 02

REVISION 06

DATED: Jan. 2014

Upon receipt of this transmittal and the manual attached, please follow this

instruction in order to update your manual correctly. Then, you are requested to

complete this form by signing and send it to VNAs Technical Department asdetailed below:

Technical Department

Vietnam Airlines

200 Nguyen Son St.

Long Bien District of Hanoi, 10000

Fax: (00) 84-34 8 27 30 04

Instruction for updated:Please discard Line Maintenance Manual old revision and replaced it by a new

manual as Line Maintenance Manual issued 02, revision 06 dated Jan.2014.

Thank you for your cooperation.

Date (day/month/year) : /Jan/2014

Signed by:.............................. Name:...................................................


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CHAPTER 0

GENERAL

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Rev. : 06

Date : Jan. 2014

0.3 Record of Revisions

Issue revisionnumber

revision date insertion date name and signature

01/00 Jun.2007

01/01 Nov.2007

02/00 Mar.2009

02/01 Aug. 2009

02/02 Dec. 2010

02/03 Dec.2011

02/04 Feb.2012

02/04A Jun.2012

02/05 Jan.2013

02/05A Jul.2013

02/06 Jan.2014


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GENERAL

Page: 0.4 / 1

Issue: 02

Rev. : 06

Date : Jan. 2014

0.4 List of Effective Pages

Page Issue Revision Date Page Issue Revision Date

Ch0/cover 02 06 Jan.14 2.11/1-3 02 06 Jan.140.0/1-3 02 06 Jan.14 2.12/1-5 02 06 Jan.140.1/1-2 02 06 Jan.14 2.13/1-3 02 06 Jan.140.2/1 02 06 Jan.14 2.14/1-6 02 06 Jan.140.3/1 02 06 Jan.14 Ch3/cover 02 03 Dec.110.4/1 02 06 Jan.14 3.0/1 02 03 Dec.11

0.5/1-2 02 06 Jan.14 3.1/1 02 03 Dec.110.6/1 02 03 Dec.11 3.2/1 02 03 Dec.11

0.7/1 02 03 Dec.11 Ch4/cover 02 03 Dec.11

0.8/1 02 06 Jan.14 4.0/1 02 03 Dec.11Ch1/cover 02 06 Jan.14 4.1/1-12 02 06 Jan.14

1.0/1 02 03 Dec.11 4.2/1-32 02 06 Jan.141.1/1-4 02 06 Jan.14

1.2/1 02 03 Dec.11

1.3/1 02 03 Dec.11

1.4/1 02 03 Dec.11

Ch2/cover 02 06 Jan.142.0/1 02 06 Jan.14

2.1/1-7 02 06 Jan.142.2/1-6 02 06 Jan.142.3/1-4 02 06 Jan.142.4/1-2 02 06 Jan.142.5/1-7 02 06 Jan.142.6/1-2 02 06 Jan.142.7/1-4 02 06 Jan.14

2.8/1-2 02 03 Dec.11

2.9/1-12 02 06 Jan.142.10/1-3 02 06 Jan.14


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CHAPTER 0

GENERAL

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Rev. : 06

Date : Jan. 2014

0.5 Distribution List

Item Holder Location Quantity Doc. No.:

1 Civil Aviation Authority of Vietnam HAN 01 012 Technical Post Holder HAN 01 023 Safety-Quality & Security Department HAN 02 03;044 Technical Department HAN 02 05;065 Supply Management Department HAN 01 07

6 VAECOHAN

SGN

SIN

BKK

REP

PNH

01

01

01

01

01

01

08

09

10

11

12

13

7 Flight Crew Division 919 HANSGN

01

01

14

15

8 Operation Control Center HAN 01 169 Air France (AF) CDG 01 1710 Alitalia (AZ) KIX 01 1811 British Airway (BA) LGW

DME

01

01

19

20

12 Japan Airlines (JAL) NRT 01 2113 HAECO HKG 01 2214 Korean Air ICNPUS 0101 232415 Malaysia Airlines (MAS) KUL 01 2516 AMSA MEL

SYD

01

01

26

27

17 AMECO PEK 01 2818 SEAM PVG 01 2919 Lufthansa FRA 01 3020 China Airlines (CI) TPE

KHH

01

01

31

32


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GENERAL

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21 AMECO CAN 01 3322 SCTAECO CTU 01 3423 JASAERO CGK 01 3524 A321 Fleet (CD format) Onboard 5025 A330 Fleet (CD format) Onboard 0926 B777 Fleet (CD format) Onboard 1027 ATR 72 Fleet (CD format) Onboard 1628 Fokker 70 Fleet (CD format) Onboard 02

Note:- VNA will ensure that every VNAs suppliers provided line maintenanceservices at outstations and VNAs aircraft must be delivered at least onecontrolled copy of the Line Maintenance Manual. The Technical Departmentis responsible for this task.


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CHAPTER 0

GENERAL

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Issue: 02

Rev. : 03

Date : Dec.11

0.6 Procedure of Amendment and Revision

0.6.1 General

The Line Maintenance Manual is issued by Vietnam Airlines and it must be

approved by the Technical Post Holder. This manual is applied for all line

maintenance activities and at all airports where VNAs aircraft are operating. All

revisions to the manual must be approved before coming into force.

Normally, the Line Maintenance Manual is to be reviewed at least one per twelve

months. In the 12-month period, -any requirement of changes to the manual

should be sent to VNAs Technical Department for consideration of amendment.

Revised pages will be annotated to show the effective date, the amendment

number and the portion of the text which has been revised or new text inserted, as

indicated by vertical marginal lines on the left hand side of the page adjacent to

the changes.

The Manual will be reviewed when there are changes of regulations, MME, AMS,

AMM... relating line maintenance activities. When immediate revisions are

required on the interest of safety, the revision shall be published and promulgated

immediately in the format Temporary revision.

0.6.2 Temporary revision

In case of requirements from CAAV, other authorities or VNA relating to safety

issues which must be applied immediately, the Temporary Revision will be

approved by the Director of Technical Department and promulgated to relevant

manual holders. The pages of Temporary revision will be accompanied by a

transmittal letter.

Temporary revisions will be disposed of as soon as they are no longer relevant or

they will be updated in Line Maintenance Manual at the next amendment or

within six months whichever is the sooner.


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GENERAL

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Rev. : 03

Date : Dec.11

0.7 AbbreviationADD Acceptable Deferred DefectAMC Approved Maintenance Centre

AMM Aircraft Maintenance Manual

AMO Aircraft Maintenance Organisation

AMS Aircraft Maintenance Schedule

CAAV Civil Aviation Administration of Vietnam

CDL Configuration Deviation List

CEO Chief Executive Officer

CRS-SMI Certificate of Release to Service - Schedule Maintenance

Inspection

DDG Dispatch Deviation Guide

ESDS Electro-static Discharge Sensitive

FIM Fault Isolation Manual

GRN Good Received Number

HT Hard Time

LLP Life Limited Part

LMM Line Maintenance Manual

MCC Maintenance Control CentreMEL Minimum Equipment List

MME Maintenance Management Exposition

OPM Out of Phase Maintenance

PN Part Number

TSM Trouble Shooting Manual

SQS Safety - Quality and Security

VAECO Vietnam Airlines Engineering Company Ltd.

VNA Vietnam Airlines


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CHAPTER 0

GENERAL

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Issue: 02

Rev. : 06

Date : Jan.2014

0.8 Significant of ChangesThe Issue 02, Rev 06 include the following Significant of changed as below:.

Index Section Description of changes

1 Multi MME reference changed.

2 0.5 Distribution list Revised to update as outstation list changed.

32.1 Master Line Maintenance

ProcedureAdded weekly/line/125FH checks

4 2.3 Defect Control Procedure Recurring defect monitoring changed.

52.7 Component Movement

Monitoring

Associated documentations/certificates is

amended.

Part Manufacturer Approval added.

62.9 ETOPS Maintenance

ProceduresSignificant systems are updated.

7 2.10 One-off AuthorizationOne-off Authorization application

procedure changed

82.13 RVSM and RNP

Maintenance ProcedureRequirement for authorized staff changed.

92.14 CAT II/III Maintenance

ProcedureRequirement for authorized staff changed.

104.1 Line Maintenance

Instructions

Control of the use of blanking and locking

devices changed. Before departure,

authorized staffs must ensure that all

blanking and locking devices are stowed

and kept in the storage place.

Swap/Rob of AC parts/components

changed.

Duplicate Inspection was removed.

RII inspection added.


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CHAPTER 1


Page: Ch1/cover

Issue: 02

Rev. : 06

Date : Jan.2014

chapter 1

Organisation & responsibility


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CHAPTER 1


Page: 1.0 / 1

Issue: 02

Rev. : 03

Date : Dec.11

1.0 Content of chapter one

1.0 Content of chapter one1.1 VNAs general policy and administration of line

maintenance

1.1.1 General policy

1.1.2 Line maintenance administration

1.1.3 Duty and responsibilities

1.2 Contracted line maintenance organizations and authorization

1.2.1 VAECO -

1.2.2 Other line maintenance organizations

1.3 VNAs aircraft fleet

1.4 List of VNAs outstations


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1.1 VNAs General Policy and Administration of Line Maintenance

1.1.1 General PolicyComplying with Vietnam Aviation Regulation, VNA develops this manual in

order to describe how VNA manages and controls line maintenance activities safely.-MME 3.13

All Management Board and staffs of Vietnam Airlines always understand

thoroughly that line maintenance activity plays an important role to ensure flight

safety and to despatch aircraft on time.

We would like to commit ourselves to:

- Each member of Management Board and VNAs staff shall strictly follow theregulations of competence Authority, the requirements of maintenance stipulatedin this manual;

- Regularly review and amend this manual on time to compliance with regulationsof Civil Aviation Authority of Vietnam, requirements of Vietnam Airlines & of

Aircraft/Aircraft components Manufacturer;

- Establish an efficient communication system in order to ensure continualprovision of updated maintenance data.


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Date : Jan.2014

1.1.2 Line Maintenance Administration

VNA

AOC Holder

No.1997-01/CAAV

VAECO

CAAV AMO

SQS Dept. Supply&Management

Dept.

Technical Dept.

MOC

VNAs

Representatives

Outstations

Marketing&

Service Dept.

Flight Crew

Division 919

Commander/Pilots

Flight OPS.

OCC

MCC

Contracted Organization

Others AMO

Outstations

CAAV

Standard&Safety

Dept.

Training

Department

Ground Handling

Supplier/Provider

OutstationsMCC

Outstations

Full Technical Support/Information

Line Maintenance Contract

Quality Audit Line & Quality Support/ One-off Auth./Contr. CRS list &CRS a roval

Legend:


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1.1.3 Duty and Responsibilities1.1.3.1 Technical Vice President (Technical Post Holder)

As a nominated post holder of maintenance, acceptable to CAAV, he is

responsible for all technical, engineering and maintenance functions. He reports

directly to the President & Chief Executive Officer and to ensure that

operations are safely conducted and in compliance with CAAV regulations.

1.1.3.2 Technical DepartmentTechnical Department is responsible for (here mentioned only functions

related to contracted line station):

- Preparing and sign the line maintenance agreement- Up date the Line Maintenance Manual - LMM

1.1.3.3 Safety-Quality&Security Department reports to the President & ChiefExecutive Officer and is responsible for :

- Performing an audit Aircraft Maintenance Organisation and submitting theaudit report to CAAV when requested.

- Issue a quality note (if any) and distribute to VAECO, other contractedparners and line stations as well.

1.1.3.4 Supply & Management Department is responsible for managingaircraft part to contracted line station in compliance with companys

requirement.

1.1.3.5 Flight Crew Division 919Do these related procedures when no appropriate AMO is available.

1.1.3.6 VAECO: They are responsible for (here mentioned only functionsrelated to contracted line station):

- Carry out all maintenance activities in accordance with this LineMaintenance Manual and the aircraft maintenance contract VNA-

VAECO/H2013;

- Update all line maintenance check list into technical log file;- Technical support on entire flight route of VNA (such as issue EO,

engineering required, quality note, tech service in case of necessary).

- Provide all data and technical information when requested.1.1.3.7 Line Maintenance Providers (other than VAECO) are responsible for

performing all line maintenance tasks under the line maintenance contract

with VNA.


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1.1.3.8 Ground Handling Company is responsible for providing services i.a.w theagreement with VNA.


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1.2 Contracted Line Maintenance Organizations and Authorizations

1.2.1 VAECO

VAECO stands for Vietnam Airlines Engineering Company .

VAECO has become a Approved Maintenance Organisation since 01st January

2009 holding a maintenance certificate issued by Civil Aviation Administration

of Vietnam No. VN-268/CAAV.

To comply with Vietnam Aviation Regulations, VNA has signed a maintenance

contract with VAECO and assigned to VAECO responsibility to carry out most of

its maintenance activities. By using maintenance services of VAECO and other

AMO, VNA ensures that a maintenance system is well established and operated

as described in VNAs Maintenance Management Exposition, ETOPS Manual

and this Line Maintenance Manual.

In accordance to the mentioned contract, relating to line maintenance for VNA

fleets VAECO is mainly responsible for:

- Having Line Maintenance Control Centers to ensure that all linemaintenance activities for VNAs aircraft are performed in safe, controlled

and airworthy conditions;

- Providing and supporting fully and adequately all technical instructions,advices etc. to all outstations where VNAs aircraft are operated to upon

requested;

- Ensuring that at outstations under VAECO control (refer to MME chapter5; MOE Chapter 22 and the related appendixes of the contract No VNA-

VAECO/H01/2009) line maintenance services for VNAs aircraft are

provided.

1.2.2 Other Line Maintenance OrganizationsIn order to ensure that line maintenance services at all outstation for VNAsaircraft are provided adequately and safely, on behalf of VNA, TechnicalDepartment will sign some line maintenance contracts with either AMO other

than VAECOor Airlines with capabilities.

VNA has a procedure of maintenance organization selection in MME chapter 5.3.


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CHAPTER 0

GENERAL

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Issue: 02

Rev. : 06

Date : Jan.2014

1.3 VNAs Aircraft Fleet

Type Registration MSN

Date of

Manufacture

Date of

Operation Engine Type

A321 A344 2255 2004 07-Jul-04 IAE V2533-A5

A321 A345 2261 2004 10-Jul-04 IAE V2533-A5

A321 A347 2267 2004 13-Aug-04 IAE V2533-A5

A321 A348 2303 2004 08-Oct-04 IAE V2533-A5

A321 A350 2974 2006 11-Jan-07 IAE V2533-A5

A321 A351 3005 2007 25-Jan-07 IAE V2533-A5

A321 A352 3013 2007 04-Feb-07 IAE V2533-A5A321 A353 3022 2007 14-Feb-07 IAE V2533-A5

A321 A354 3198 2007 20-Jul-07 IAE V2533-A5

A321 A356 3315 2007 30-Nov-07 IAE V2533-A5

A321 A357 3355 2008 01-Feb-08 IAE V2533-A5

A321 A358 3600 2008 02-Aug-08 IAE V2533-A5

A321 A359 3737 2008 16-Dec-08 IAE V2533-A5

A321 A360 3862 2009 22-Apr-09 IAE V2533-A5

A321 A361 3864 2009 11-Dec-09 IAE V2533-A5

A321 A362 3966 2009 04-Dec-09 IAE V2533-A5

A321 A363 4136 2009 22-Mar-10 IAE V2533-A5

A321 A365 4213 2009 22-Mar-10 IAE V2533-A5

A321 A366 4277 2009 25-Apri-10 IAE V2533-A5

A321 A367 4315 2009 30-May-10 IAE V2533-A5

A321 A322 4311 2010 22-May-10 IAE V2533-A5

A321 A323 4669 2011 01-May-11 IAE V2533-A5

A321 A324 4703 2011 22-May-11 IAE V2533-A5

A321 A325 4737 2011 12-Jun-11 IAE V2533-A5

A321 A326 4783 2011 23-Jul-11 IAE V2533-A5

A321 A327 4826 2011 01-Sep-11 IAE V2533-A5

A321 A329 4863 2011 06-Nov-11 IAE V2533-A5

A321 A331 4945 2011 05-Dec-11 IAE V2533-A5

A321 A332 4971 2011 01-Jan-12 IAE V2533-A5

A321 A334 5164 2012 20-Jun-12 IAE V2533-A5A321 A335 5241 2012 26-Aug-12 IAE V2533-A5

A321 A336 5247 2012 26-Aug-12 IAE V2533-A5


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A321 A338 5251 2012 25-Aug-12 IAE V2533-A5

A321 A339 5272 2012 08-Sep-12 IAE V2533-A5

A321 A390 5297 2012 08-Oct-12 IAE V2533-A5

A321 A392 5306 2012 14-Oct-12 IAE V2533-A5

A321 A393 5340 2012 30-Oct-12 IAE V2533-A5

A321 A395 5385 2012 27-Dec-12 IAE V2533-A5

A321 A396 5392 2012 07-Dec-12 IAE V2533-A5

A321 A397 5418 2012 18-Dec-12 IAE V2533-A5

A321 A399 5438 2013 31-Jan-13 IAE V2533-A5

A321 A601 5456 2013 07-Feb-13 IAE V2533-A5

A321 A602 5469 2013 18-Mar-13 IAE V2533-A5

A321 A603 5495 2013 25-Mar-13 IAE V2533-A5

A321 A604 5555 2013 17-Apr-13 IAE V2533-A5

A321 A605 5699 2013 18-Aug-13 IAE V2533-A5

A321 A606 5709 2013 16-Aug-13 IAE V2533-A5

ATR72 B210 678 2001 02-Oct-01 PW-127M

ATR72 B212 685 2002 05-Mar-02 PW-127M

ATR72 B214 688 2002 19-Jun-02 PW-127M

ATR72 B218 877 2009 26-Jun-09 PW-127M

ATR72 B219 886 2009 06-Oct-09 PW-127M

ATR72 B220 890 2009 27-Oct-09 PW-127M

ATR72 B221 892 2009 24-Nov-09 PW-127M

ATR72 B223 896 2009 24-Dec-09 PW-127M

ATR72 B225 897 2010 25-Jan-10 PW-127M

ATR72 B233 912 2010 18-Apr-10 PW-127MATR72 B236 914 2010 10-Jun-10 PW-127M

ATR72 B237 925 2010 15-Sep-10 PW-127M

ATR72 B239 927 2010 12-Oct-10 PW-127M

ATR72 B240 939 2010 07-Jan-11 PW-127M

B777 A141 28688 2003 17-Apr-03 GE90-94B

B777 A142 32701 2003 19-Jun-03 GE90-94B

B777 A143 33502 2003 23-Aug-03 PW4090

B777 A144 33503 2003 13-Sep-03 PW4090

B777 A145 33504 2004 19-Sep-04 PW4090


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B777 A146 33505 2004 30-Jul-04 PW4090

B777 A149 32716 2005 28-May-05 GE90-94B

B777 A147 27607 1998 28-Aug-05 GE90-90B

B777 A150 32717 2005 10-Dec-05 GE90-94B

B777 A151 27608 1998 25-Oct-05 GE90-90B

A330 A371 275 1999 20-Sep-07 PW4168A

A330 A372 294 1999 19-Nov-09 PW4168A

A330 A374 299 1999 09-Dec-09 PW4168A

A330 A375 366 2001 03-July-09 PW4168A

A330 A376 943 2008 20-Jul-10 PW4168A

A330 A377 962 2008 08-Sep-10 PW4168A

A330 A378 1019 2009 04-Jul-10 PW4170

A330 A379 1256 2011 20-Oct-11 PW4170

A330 A381 1266 2011 30-Nov-11 PW4170

F70 A502 11580 1995 31-Jan-97 TAY MK 620-15

F70 A504 11585 1995 31-Jan-97 TAY MK 620-15

Note: If there is any change and/or supplemental of aircraft, this above list will be

updated at the next revision.


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Issue: 02

Rev. : 06

Date : Jan.2014

1.4 List of VNAs outstations

1.4.1 List of VNAs outstations in Vietnam: SGN; DAD; DAD; HPH; VII; VCA;HUI; HUI; DLI; DLI; HPH; DLI; PQC; CXR; CXR; PQC; CXR; DIN; UIH;

UIH; THH; TBB; HAN.

1.4.2 List of VNAs outstations outside of Vietnam: CDG; LGW; DME; REP;

RGN; PEK; PVG; CAN; CTU; HGH; HKG; NRT; FUK; KIX; NGO; PUS; ICN;

TPE; KHH; CGK; KUL; SIN; BKK; SYD; MEL.


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CHAPTER 2

LINE MAINTENANCE PROCEDURES

Page ch2 / cover

Issued : 02

Revision: 06

Date: Jan.2014

CHAPTER 2



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CHAPTER 2


Page: 2.0 / 1

Issue: 02

Rev. : 06

Date : Jan.2014

2.0 Content of chapter two

2.0 Content of Chapter Two

2.1 Master line maintenance procedure

2.2 Use and completion of line documentations

2.3 Defect control procedure

2.4 Fuelling procedure

2.5 Reporting system

2.6 De/Anti-icing procedure

2.7 Components movement monitoring

2.8 Aircraft incident/accident handling procedure

2.9 ETOPS maintenance procedures

2.10 One-Off authorization

2.11 Certifying staff - Monitoring and control

2.12 Installation of Aircraft Wheel-Chocks Procedure

2.13 RVSM and RNP Maintenance Procedure

2.14 CAT II/III Maintenance Procedure


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2.1 Master line maintenance Procedure

I.

Purpose:- To establish policy and main procedure for the Line Maintenance

Processes in accordance with the appropriate referenced AuthorityRegulations and Vietnam Airlines Requirements.

- To ensure that an acceptable safety standards and practices for aircraft

maintenance at all line stations to be maintained.

II. Scope of Affected:- This simplified Line Maintenance Procedure applies to Organisationsand Personnel involved to Line Maintenance Processes for VNAs aircraft

at all outstations located in and outside of Vietnam territories.- This procedure contains only general instructions for a normal aircraft

line maintenance process. It does not contain all intructions necessary to

solve all the situations that might appeared at any outstation during daily

operation.- For the detailed intructions to solve a situation please contact at

followings:

Name of Department TEL FAX Sita @

MOC (84-0) 913 203 225 (84-4) 8.273.004 HDQEPVN

Vietnam Airlines

Safety - Quality &

Security Department

(84-0) 903 452 779 (84-4) 38.732.775 HDQQAVN

MCC (84-4) 38.865.020 (84-4) 38.865.019 HANEMVN

III. Responsibility- Maintenance Organisations/Airlines which have contracts and provide

the Line Maintenance Services for VNAs aircraft must be responsible for

the retainment, updating, dissemination and application of this procedure.- The line station Supervisor is responsible for ensurring the followings:

+ Only designated (trained and qualified) staff carry out

maintenance services for VNA aircraft.

+ All procedures related are strictly applied by the designated staff.

+ All tooling/equipment used for maintenance works on VNA

aircraft are controlled, callibrated in accordance with

manufacturers requirements.

+ Best standard practices are pertained.

IV. References:


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V. Definition and abbreviation:1- Line Maintenance: Line maintenance is any maintenance that must be

carried out to ensure that the aircraft is fit for the intended flight. It may

include:

- Trouble shooting;

- Defect rectification;

- Component replacement with use of external test equipment if

required. Component replacement may include components such as

engines and propellers;

- Scheduled maintenance and/or checks including visual inspections

that detect obvious unsatisfactory conditions/discrepancies but donot require extensive and in depth inspection. It may also include

internal structure, systems and power plant items which are visible

through quick opening access panels/doors.

- Minor repairs and modifications which do not require extensive

disassembly and can be accomplished by simple means.

2- Preflight/Transit checks: The Preflight/Transit checks are Line

Maintenance Checks to be performed at each transit or before each

flight, but not earlier than two (2) hours before the flight. This checkincludes also the correction of troubles reported in the Aircraft Technical

Log if the airworthiness of the aircraft is affected.

3- Terminal checks: These checks are carried out in principle every day,

and in any case must not exceed 36 hours (applied to A320/A321/A330)and 48 hours (applied to B777) elapsed time.

4- Weekly/Line checks:

- For B777: line checks shall be carried out within every 100 flight hours.

- For A321: weekly check shall be carried out within every 08 days.

- For A330: weekly check shall be carried out within every 07 days.

- For ATR72: weekly check shall be carried out within every 07 days.

- For F70: weekly check shall be carried our within every 08 days.

5- 125FH checks: For F70 only. The 125FH Check shall be carried out

within 125 flight hours. Pre-fllight check is included in this check. If time

to next flight is more than two (02) hours, then it is required to perform

preflight check again.

VI. Content of Procedure:1- Safety precautions General:


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During Line maintenance, the following safety precautions must be

observed:

a) All safety precautions and precautions relating to the parking ofaircraft are to be observed.

b) Designated roadways are to be utilized at all times when moving toand from aircraft.

c) Any vehicle which moves in the vicinity of the aircraft is to do so inaccordance with the conditions specified in the Maintenance/Handling

Manuals.

d) Any unsafe condition observed is to be reported to the Supervisorimmediately and the soonest action is to be taken to preserve the safetyof personnel/aircraft.

e) Priority is always to be given to emergency service personnel andvehicles.

2- Aircraft Preflight/Transit checks:

Preflight/Transit check of aircraft is limited to certifying staff who has

achieved a required level of practical experience and training relating to

the specific tasks.

Detailed safety precautions for Preflight/Transiting checks:

In addition to the general safety precautions, the following requirements

must be met:

Transiting service of aircraft requires that the engineer(s) involved is

familiar with the conditions relative to operations on the airport ramp.

a) The requirements of the specified Preflight/Transit checklist(s)corresponding to type of aircraft are to be followed when carrying out

line maintenance services.

b) Only approved maintenance data and documentations onboard theaircraft are to be used during maintenance process.

c) All aircraft taxiways are to be maintained clear at any time that anyaircraft is taxiing. For safety reasons, never cross in front of or too

close behind a taxiing aircraft.

d) A position clear of the aircraft wing tip is to be maintained at any timethat an aircraft is moving.

e) Movement towards an aircraft is only to be made once the aircraft hascome to a complete stop. The chocks are then to be installed in front of

and behind the nose wheels prior to the headset being connected.

Parking brake still set on. After engines shutdown or propellerscompletely stop the chocks to be installed in front of and behind the

outboard set of one MLG (LH MLG is recommended). Parking brake


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set off when nose wheels and at least one set of wheels on MLG have

been chocked up. In abnormal circumstances, additional chocks may

be required to be installed in front of and behind other main landinggear wheels

(refer 2.12 for more detail)f) To help to cool the brakes and reduce the chance of thermal pressure

release from the tires, brakes should not be applied longer than

necessary. During transit parking brake is required only when wheel

chocks are considered not sufficient. Use of brake cooling fans, if

available, is recommended.

g)No control system is to be operated during aircraft transits without anobserver first being placed in an appropriate position to ensure thatsafe operation is maintained.

h) The requirements of the specified transit check checklist correspondingto the type of aircraft are to be followed when carrying out the transit

check.

i) A final walk around check of the aircraft is to be carried out once alldoors are closed to ensure the aircraft is fit for flight. Particular

attention must be paid to doors and panels normally opened during

transit and especially the re-fuel cap.

j) At aircraft departure, when the flight crew have stated their intention todepart, the head set man shall:

- Make sure that the areas surrounding the aircraft are clear fortaxiing.

- Advise the flight crew to obey marshalling signals from theapplicable side of the aircraft.

- Disconnect the head set from the aircraft and secure the panel.- Remove any remaining safety pins.- Remove the nose wheel chocks and walk to the marshalling

position.

- Show the cockpit crew the remove chocks and safety pins andmarshal the aircraft to the taxiing way.

k) If the flight crew indicate that the aircraft should return for any reason,then the maintenance staff is to confirm brake application with the

flight crew prior to advancing towards the aircraft, apply the conditions

stated in term i) above.

3- Terminal and Weekly/Line check:In addition to the general safety precautions and to the Preflight

/Transiting checks the following requirements must be met:


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a) The requirements of the specified Terminal and Weekly/Linechecklist(s) corresponding to type of aircraft are to be followed when

carrying out maintenance services.b) Requirements (b) - (h) of Aircraft Preflight/Transit checks.

4-Refueling:

Not in all the cases but re-fueling of aircraft may be necessary during

transit service or before a flight. The amount of fuel to be re-fuelled is

given by the captain of the flight. Maintenance staff has the responsibility

to coordinate closely with the fuelling company during the fueling

process.

For the refueling process referred to the Refueling Procedure for details.

5- Certification of Preflight/Transit, Terminal, Weekly/Line check, and

125FH:

Before signing the Transit/Preflight/Terminal/Weekly/Line

Checks/125FH Checksin the Aircraft Technical Log, the signatory shall

ensure that:

a) Due entries on the Out-of-Phase Maintenance (OPM) sheets have beencleared.

b) All Technical Log defects have been cleared or transferred to ADDs,whichever is applicable. If part replacement had been made, all data (P/N,

S/N, GRN or batch number) have been entered correctly in to the

appropriate fields. All accompanied release documentation of the

replacement part is attached (using stapler for example) to the

corresponding Technical Log page or inserted securely in the Technical

Log cover folder (if too big to be stapled into the Technical Log page).

c) All ADDs have been reviewed and have had sufficient time limit forthe intended flight (taking into account any possible en-route weatherconditions) to the next destination. If any ADD requires a maintenance

action to be done before the flight, the entry in the Technical Log for that

maintenance action had been made and certified accordingly.

d) All fuel and oil uplifts have been properly recorded.e) Concessions (if any) have not expired and have had sufficient timelimit for the intended flight (taking into account any possible en-route

weather conditions) to the next destination.

f) The Certificate of Release to Service Scheduled MaintenanceInspection (CRS-SMI) has not expired and have had sufficient time limitfor the intended flight (taking into account any possible en-route weatherconditions) to the next destination.


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g) The Notes to Crews and Engineers (NTC) if any has been reviewed. Inaddition, information on all repetitive defects must be informed to crews

and engineers through NTC.h) All items on the transit/line check sheets have been carried out andverified.

Note: Cabin defects found by Cabin Attendants will be entered in theCabin Defects Log kept on each aircraft. At the end of each sector the

Purser will present the Cabin Defects Log to the Captain, who shall enter

defects ofan airworthiness natureinto the Aircraft Technical Log.

Engineers carrying out transit checks shall check the Cabin Defects Log

to ensure that all defects, which have not been transferred, are non-airworthiness related, and have been acted (fix or deferment)

accordingly as required. Defects that have airworthiness implications and

have been transferred into Aircraft Technical Log shall be annotated as

such in the Cabin Defects Log and initialled in the ACTION TAKEN box.

The Cabin Defect Log yellow copy will be removed by the Outstation

engineer after rectification/deferment and certification of the defects both

in the Cabin Defect Log (for non-airworthiness related defects) and/or the

Aircraft Technical Log (for airworthiness related defects).

For the details of other tasks such as Defect rectification; Spare request,aircraft part/component acquisition and handling please refer to the

Line Maintenance Supportive Instructions for details.

6. De/Anti-icing:

De/anti-icing is normally carried out by the Contracted ground service

Company/AMO before take-off. VNA has accepted De/anti-icing

procedure of the Service Company/AMO.

(For more detail please refer De/Anti-icing procedure 2.6 in chapter 2

of this manual).7. Incident/Accident report: If Incident/Accident occurred, keep informed as

soon as possible to MOC and follow their instruction (for more detail

refer procedure 2.8 in chapter 2 of this manual).

VII. Records:Appropriate Technical Log entry and certification shall be made by a

certified maintenance staff after each line maintenance service/action.

For the Technical Log entry, certification and records keeping please

referred to the Technical Procedure for details.

VIII. Appendix:


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List of supportive instructions for Line Maintenance Procedure (refer

4.1 CHAPTER 4)

- Defect rectification

- Structural damage repair

- Swapping of components

- Spare request, acquisition and handling

- Recording of tooling and test equipments used for maintenance

- Recording of used of blanking and locking devices

- Removal of serviceable components from aircraft

- Inspections during maintenance


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2.2 Use and Completion of Line Documentations

I.

Purpose:To establish a procedure for use and completion of the line maintenance

documents during normal line maintenance activities i.a.w appropriatedrequirements of CAAV, relative authorities and VNA.

II. Scope of Affected:This procedure is only used for line maintenance activities, relatedmaintenance documents and all activities to be performed by authorized

staffs.

III. Responsibility:Authorized staff working in aircraft line maintenance is responsible for

performing this procedure.

IV. References:- MME 3.1, 3.2, and 3.4.

V. Definitions and abbreviations:VI. Content of Procedure:

1. General:a. VNAs line maitenance documents are a system of documents forrecording all maintenance activities carried out on VNAs aircraft whilst

the aircraft is operating between scheduled visits to the base maintenance

facility. They are specified as following:

Vietnam Airlines Forms:- Technical Log:

+ Technical Logs form VNA-SQ-F14-01 are printed in sets of fourcolored pages each 50 sets in each technical logbook.

+ MEL/Airworthiness related acceptable deferred defects Type Bform VNA-SQ-F14-02 normally 10 pages in each technical log

book;

+ Non MEL/Airworthiness related acceptable deferred defects TypeC form VNA-SQ-F14-03 normally 10 pages in each technical

log book;

- Cabin Defect Log: Cabin Defect Log formed VNA-SQ-F14-04 areprinted in sets of two pages each. The pages are colour coded to

identify the destination of retention.

- Aircraft fluid list: To inform maintenance staff and flight crew offuid types applicable for the subjected aircraft.


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- Airframe dent & buckle chart record form(s): To record dents anddamages of the airframe of the subjected aircraft that disclosed after a

flight or curently under monitoring.

- Engines dent & buckle chart record form(s): To record dents anddamages of the subjected engine of the aircraft that disclosed after a

flight or curently under monitoring.

- MEL/Airworthiness related acceptable deferred defect type Bform(s): To record MEL/Airworthiness related acceptable

deferred defects - type B defects - disclosed after a flight or

curently under monitoring. This form is used as technical log pagesmay be used up and new set of technical log pages shall be inserted

and the form(s) shall be retained until all the defects recorded have

been cleared or transferred in to a suitable base maintenance

workpackage.

+ None-MEL/Airworthiness related acceptable deferred defect typeB form(s): To record None-MEL and None-Airworthiness

nature acceptable deferred defects - type C defects disclosed

after a flight or curently under monitoring. This form is used as

technical log pages may be used up and new set of technical log pages

shall be inserted and the form(s) shall be retained until all the defectsrecorded have been cleared or transferred in to a suitable basemaintenance workpackage.

+ Note to crews and engineers: This form is used by CRS holders,AMO to pass all additional information and notices to flight crews

and others maintenance staff working with the aircraft (such as inform

of a repetitive defect).

+ All Line Maintenance Check Forms: All line maintenance checkforms applicable to the aircraft shall be kept in the technical log file

for quick reference purpose at outstations.+ Concession/Variation/exemtion request form: This form shall be

used to get VNA approval for further defermant of a defect or One-off

approval for the person who sign-off to release the aircraft for theintended flight.

Forms of maintenance organisations:In addition to the above forms of VNA, some other forms of

AMO(s) shall also be retained in the Technical log book file for the

purpose of showing the maintenance status of the aircraft:

+ CRS-SMI of the last checks: These forms are maintenance recordsthat show the compliance with the AMS of the aircraft type.


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+ Out of phase maintenance form: This form is of VAECO and isused to inform CRS at outstations and the flight crew of maintenance

activities to be performed in line maintenance processes at outstationsjust to meet the aircraft maintenance schedule.

Please return to Chapter Four for detailed application

instructions for all above mentioned forms.

b. The Authorized staff is responsible for keeping the line maintenancedocuments in good condition during line maintenance time. They only

have to use the approved and controlled documents when performing

their works. Documentation completion must be followed the relatedinstructions (please refer to Chapter 4 for details) the Authorized staff

certifies by signing and stamping to the related technical log pages.

2. Completion of the line maintenance documents BEFORE DEPARTURE:a. When the aircraft arrived, authorized staff will perform line maintenance by

using VNAs appropriate check lists; These checlists can be found inTechnical Log Bookin the cockpit.

b. VNA requires that Cabin Defect Log is necessary to be reviewed by theauthorised staff before each departure.

c. The aircraft maintenance authorized staff or cabin repair staff shall writedown their works performed relating to Cabin Defect items and certified for

those jobs performed by him/her.

d. Where necessary, the cabin defects will be transfered to Technical Log byaircraft maintenance authorised staff for monitoring and control further. Anyairworthiness item is recommended to authorized staffs attention.

e. In case of handling over the acceptable defered defects, completion of theMEL/Airworthiness related acceptable deferred defects Type B and

Non MEL/Airworthiness related acceptable deferred defects Type Cis required.

f. When any line maintenance requirement is due. For the operation of theaircraft a concession request will be considered; It is advised that an

approved concession must be obtained in this case before departure. The

authorized staff working at line station can contact the appropriate MCC of

VAECO for assistant.

3. Completion of the line maintenance documents AFTER DEPARTURE:


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A Movement TELEX shall be required once the aircraft is departured.

Form and instruction of the TELEX can be found in the Reporting

Procedure.

4. Distribution and storage of the line maintenance documentsa. Technical Log: At the line station, the authorized staff will keep the blue

technical log page only. Period for retention of the blue technical log is 24

hours from the departure for a normal flight. For abnormal cases it shall be

kept for further instructions from VNA.

b. Cabin Defect Log: Like the technical log for a normal flight, the 2nd sheetof the set of the cabin defect log page shall be kept by authorized staff at line

station at least 24 hours from the departure.c. MEL/Airworthiness related acceptable deferred defects Type B: these

sheets are always retained with the Technical Log Folder. -

d. Non MEL/Airworthiness related acceptable deferred defects Type C:these forms are also retained with the Technical Log book.

e. Movement TELEX: It is refered to Reporting Procedure.f. Concession Request: The authorized staff is not responsible the request but

he shall provide detail technical conditions and status of the aircraft at the

time the conssesion is under consideration.

VII. Records:Item Discription and/or

Content

Approved Form Keeping

Periord

Storage

1 Technical Log (Blue One) VNA-SQ-F14-01 24h or

Instruction*

Line

Station

2 Cabin Defect Log VNA-SQ-F14-04 N/A N/A

3 MEL/Airworthiness

related acceptable deferreddefects Type B

VNA-SQ-F14-02 N/A (for Line

Station)

N/A

4 Non MEL/Airworthinessrelated acceptable deferred

defects Type C

VNA-SQ-F14-03 N/A (for LineStation)

N/A

5 Movement TELEX**

6 Note to crews and

engineers (if any)

VNA-SQ-F11-04 Until the note

is no longer

valid

N/A

Note:


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- (*) A Blue Technical Log Page shall be kept for a periord of 24 hoursfrom departure for a normal flight at the departure line station. In

abnormal cases, the periord shall be specified by VNA to the relatedline maintenance sub-contractor.

- (**)Refer to Reporting Procedure for details.


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APPENDIX 2.2.1

TECHNICAL DOCUMENTATIONS AND RECORDS ON BOARD

No. Description Form No.

1 List of controlled forms, certificates, maintenancedata on board of aircraft

VNA-SQ-f11-01

2 AIRFRAME DENT & BUCKLE CHART RECORD vna-Sq-f11-02

3 ENGINES DENT & BUCKLE CHART RECORD vna-Sq-f11-03

4 NOTES TO CREWS AND ENGINEERS vna-Sq-f11-04

5 aircraft fluid list vna-Sq-f11-05

6 technical log vna-Sq-f14-017 mel/airwothiness related acceptable deferreddefects type B

vna-Sq-f14-02

8 NOn-mel/airwothiness related acceptable deferreddefects type c

vna-Sq-f14-03

9 PRE-FLIGHT/TRANSIT CHECK vna-TE-f36

10 TERMINAL/DAILY CHECK OR EQUIVALENT vna-TE-f37

11 WEEKLY/LINE1/LINE2 CHECK OR EQUIVALENT vna-TE-f38

12 Phiu yu cu nhn nhng- CONCESSION RequestCAAV/FSSD-AIR-

040

13 Etops events-oriented reliability reports(currently applicable for B777 aircraft only) Vna-rp-n2

14 Cabin defect log VNA-SQ-F14-04

15 CRS-SMI of the last check(s) WITH THE NEXT DUEINFORMATION Vaeco fORMOr equivalent

16 Out-of-phase maintenance Vaeco fORM


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2.3 Defect Control Procedure

I.

Purpose:To establish the procedure and instructions for the situations when

technical discrepancies are deferred as an ADD or cleared and request for

an extension of a MEL item should be made. MEL applications also are

mentioned in accordance with appropriate referenced VAR regulatory

requirements.

II. Scope of Affected:This procedure applies to VNA Safety- Quality & Security department,

Technical Department, Supply Department and all contractedorganization.

III. Responsibility:VNA-SQS Department, Technical Department, Supply Department,

VAECO, Authorised Staff at all line stations are required to implement

this procedure.

IV. References:MME 3.13, 3.9.

V. Definition and abbreviation:ADD: Acceptable Deferred Defect;CDL: Configuration Deviation List;

DDG: Dispatch Deviation Guide;

MEL: Minimum Equipments List;

A recuring defect is defined as a defect or defects of the same nature,which has been recorded more than once in the Technical Log within 7

flights (or 03 consecutive operational days) where trouble shooting

action(s) did not rectify the defect.

VI. Contents of Procedure:1. Deferring defect and MEL Application:

1.1General:In order to maintain flight schedule integrity, it occasionally becomes

necessary to defer the correction of minor discrepancies until maintenance

can be accomplished. Deferrals will be permitted under controlled conditions

defined in the VNAs Manual System (MEL, CDL, and other technical

manuals).

The Authorized Staff, in association with VAECO, has the authority to deferitems that meet one or more of the following criteria:a) The malfunctioning system or component is specifically listed in the MEL

or CDL.


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b) The item is of a non-airworthy nature.

MEL items will not be applied to aircraft if at the airport:

- Qualified maintenance personnel are on duty;

- The necessary facilities and equipment are ready, and- Required parts, appliances, components, tools or materials to perform

the necessary repairs are available.

All deferrals will be authorized for a specific repair interval. If the repaircannot be implemented within the repair interval, the concession may be

submitted to the SQSs Director of VNA for approval.

Note 1: Request for concession will be mentioned here in section 1.4

below.

The ADDs are split into two groups in the Technical Log:

i) MEL/Airworthiness related ADDs (VNA-SQ-F14-02) Numbered

sequentially from B001 onwards for an aircraft. These ADDs are those

related to the MEL/Airworthiness requirements and will additionally

include all defects that are within the Approved Maintenance Manuals(SRM, AMM etc.) limitations.

ii) Non-MEL related ADDs (VNA-SQ-F14-03) Numbered

sequentially from C00l onwards for an aircraft. These ADDs are those ofminor nature with no airworthiness implication.

When raising, progressing or clearing an ADD it is necessary to complete

an entry on the MEL or Non-MEL related ADD sheets as well as on theTechnical Log page. The ADD sheets will be completed in strict sequence

as mentioned above for that is one sheet must be complete before another

of the same group is started. As the ADD sheet only is a single copy all

certifications must be made on a Technical Log page and cross-referred.

Note 2: VAECO as a member and VAR145 Contracted MaintenanceAgency of Vietnam Airlines shall have the responsibility to control and

monitoring/supporting the daily line maintenance activities which includethat at all Outstations of VNA.

1.2To raise ADDs:a) The Authorized staff shall refer to the appropriated ADD reference

sheet (VNA-SQ-F14-02/03)accompaniedwith the aircraft Technical

Log Book.

- For a defect: the next subsequence number shall be the referencenumber of the new ADD.

- For the ADD MEL related: see flowchart 2.3 at page 2.3/6


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When a defect occurs, certifying staff performs the step by step as

following:

STEP 1: Certifying staff assesses if the defect is recurring?

If defect is not recurring, certifying staff raises new ADD.

If defect is recurring, go to Step 2.

STEP 2: Certifying staff checks the MEL time remaining of previous

related ADD. If MEL time limit is remained, go to step 3. If MEL time

limit is NOT remained, go to Step 4:

STEP 3: Certifying staff raises a recurring ADD (with new ADD

reference number) with notes:+ A note to crews and engineers, form VNA-SQ-F11-04 must be

raised to inform all flight crews and maintenance engineers working

further on the aircraft of the recurrence of the defect;

+ An addition note THIS IS RECURRING DEFECT, REOPEN ADD

BXXX must be also enter in technical log and related ADD reference

list.

STEP 4: Certifying staff grounds the aircraft and rectify defect if

aircraft is at home base (HAN, SGN).

Note: Under operation demands, MOC may require VAECO to apply a

concession.

If aircraft is outside of home base, certifying staff inform MOC/MCC

to request a concession with maximum 3 legs to home base.

b) Any time limit given for rectification of any MEL-related ADD will beas indicated in the MEL only, with the DEFER. LIMIT DATE given as

the last date that the defect rectification must be carried out.

c) Any conditions and requirements of Approved Maintenance Manualsuch as maintenance/operations procedures given in MEL/DDGhave to

comply with and entry in to Techlog as Actions Taken is required.

d) Annotate the Technical Log action taken column with the statementBX (or CX) ADD Raised (X is the ADD sequence number) and include

any observations or troubleshooting carried out on the defect, any

operational limitations due to the defect and any precaution carried out

and/or Notice To Crew raised or inform to Flight crew if necessary.

Note 1: Authorized staff carrying out transit checks shall review the

Cabin Defects Log to ensure that all defects, which have not been

transferred, are non-airworthiness related, and have taken action (fix or

deferment) accordingly as required.


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Note 2: Defects found in Cabin Defect Log that have airworthiness

implications and have been transferred into Aircraft Technical Log shall

be annotated as such in the Cabin Defects Log and initialed in theACTION TAKEN box.

Note 3:Authorized staff has to liaise with VNA-Station manager when

the ADDs have affected to carriers ground operation (for example:

degrade of passengers accommodation, cargo compartment, seat

occupied, oxygen container);

Note 4:for ADDs related to special operation such as CAT II/III, ETOPS,

RVSM/RNP: please refer to those procedures and proceed accordingly.

1.3 To clear an ADDs:a) Insert the text appropriate to the rectification work carried out into the

ACTION TAKEN block of the Technical Log Page and certify the entry.

b) Complete the ADD sheet by annotating the CLEARANCE detail section with

Technical Log Page reference and item number and then certify the entry.

Certification will consist of the signature and approval authority of an

appropriately authorized CRS holder.

Note 1: for ADDs related to special operation such as CAT II/III, ETOPS,

RVSM/RNP: please refer to those procedures and proceed accordingly.

1.4 Concession Request:

Authorized staff at Outstations has to review ADDs for properly deferred and

maintained. VAECO is responsible for necessary maintenance follow-up

including spare parts support to ensure that the ADDs will be correctly cleared,

properly deferred.

MOC control the status of ADDs to ensure ADDs is deferred and cleared IAWMEL/CDL conditions.

If the repair cannot be implemented within the repair interval, VAECO shallprepare and certify Concession Request Form CAAV-FSSD-AIR040 before

sending to MOC. MOC shall verify and submit the Form to SQS Department.

1.5 Recuring defect monitoring:

VAECO is responsible for verifying recuring defects and performing effective

trouble shooting action. If a defect is defined as recuring:

- If the defect is deferred, CRS must annotate in the Defect Information (Form

VNA-SQ-F14-02) that it is recuring and create a note to crews and engineers by

Form VNA-SQ-F11-04.- MCC shall report to MOC by the Form VNA-RP-F0103.


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- MOC will inform OCC and contracted outstation maintenance organization

about recuring defects.

- When the recuring defect is completely cleared, the final action taken must be

entry into techlog and Form VNA-RP-F0103. MCC shall send final recuring

defect report to MOC.

VII. Records:

Item Discription and/or

Content

Approved Form Keeping

Periord

Storage

1 Recuring defect report VNA-RP-F0103 For one year MOC

2 Note to crews and

engineers

VNA-SQ-F11-04 Until the note

is no longervalid

N/A

VIII. Recurring defect monitoring flowchart


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2.4 Fueling Procedure

I.

Purpose:To establish Re-Fueling/De-fueling in accordance with the appropriate

referenced Authority Regulations and Vietnam Airlines Requirements.

II. Scope of Affected:This procedure is applicable to Organisations and/or Personnel involved

in the Line Maintenance Servises for VNAs aircraft.

III. ResponsibilityThe Authorized Staff at outstations is responsible for the specified

procedures.

IV. References:MME 2.5.4, 3.13.

V. Definition and abbreviation: N/AVI. Content of Procedure:

1.Re-fuelling:- Upon arrival, the pilot is responsible for recording correctly fuel

quantities onboard as requested at the completion of the technical log;

- When carrying out preflight or transit, the authorized staff willcommunicate with flight crew in order to get pre-uplift fuel quantity.

Then he/she will inform to the Fuel suppliers staff for fuel uplift. All

tasks which must be done by the authorized staff have been listed on

the appropriate check list onboard;

- The authorized staff must monitor the whole fueling process and onbehalf of VNA he signs into fuel receipt;

- Recording fuel uplift as the instruction is mandatory to the authorizedstaff. He also must sign off the technical log page;

- Finally, the authorized staff informs the pilot of the fuel quantityuplifted and completes the technical log before departure;

- All check lists are placed onboard for facilitating maintenance tasks.2.Defuelling:

- During operations if de-fueling is necessary, authorized staff shall becommunicated by flight crew on the quantity to be de-fueled.

Communication with flight crew is un-necessary in cases when the de-fuel tasks is just to avoid water in fuel tanks.


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- The authorized staff shall communicate with the VNA representativeand Contracted Fuel Service Company for the vessel/tanker to de-fuel

to. Make sure that the vessel or tanker

- The authorized staff shall perform the defueling task in accordancewith the AMM tasks concerned, other safety precautions and all

additional precautions that the local airport authority may have at that

particular area/gate/airport.

- Make sure to complete all necessary paper work (Technical log entryfor the task/other confirmation that required by the VNA

representative) after the defuel task have been performed.

Note 1: Re-Fueling/De-fueling Operation is normally carried out by theContracted Fuel Service Company before take-off and VNA has accepted

Fueling/De-fueling procedure of the Service Company/AMO. In case ofconflict between procedures, AMO procedure has the priority.

Note 2:Authorised staff is responsible for obtaining from VNAs pilots a

Fuel quantity to be uploaded in to Aircraft and inform the Fuelingcompany as required.

Note 3: Before fueling Authorised staff has be sure that fuel delivered

onto aircraft is:

3. Free of contamination;4. Is of correct grade and specification for each aircraft type.

Note 4: During refueling, Authorised staff has to comply with safety

precaution mensioned in related AMM and other requirements that the

local airport authority may have at that particular area/gate or airport.

When necessary, the actual quantity of on-board fuel shall be measured,

using manual magnetic stick. The maintenance action shall be recorded

and certified in the relevant Technical Log page to confirm the correct

fuel quantity on-board for the intended flight.After departure, a report shall be made as per 2.5 Reporting System.


Content

Approved

Form

Keeping

Periord

Storage

1 Technical Log VNA-SQ-F14-0124hours min

or

Instruction*

Outstation

2 Movement TELEX**


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2.5 Reporting System

I.

Purpose:To establish the reporting procedure concerning the aircraft status atoutstations.

II. Scope of Affected:This procedure applies to Authorized staff involved to the Line

Maintenance Processes for VNAs aircraft.

III. Responsibility:VAECOs authorized staff and VNA Line Maintenance Service

Providers staff are responsible for performing this procedure.

IV. References:- MME 3.9, 3.13.V. Definition and abbreviation: N/AVI. Content of Procedure:

1. LINE STATION TELEX (REPORTING)

VNA designs three forms of line maintenance TELEX as following:

a) Aircraft departure TELEX:

(SENDERS ADDRESS)..DATE/MONTH/YEAR (UTC):.TIME

(UTC):

A.T.A.:A.T.D:TOTAL HOURS:TOTAL CYCLES:

SECTOR TIME:

AA1 FIRST DEFECT

AA2 SECOND DEFECT

AA3 THIRD DEFECT

BB1 FIRST DEFECT RECTIFICATION ACTION

BB2 SECOND DEFECT RECTIFICATION ACTION

BB3 THIRD DEFECT RECTIFICATION ACTION

CC 1 DEFERRED DEFECT RAISED DETAILS (Item, P/N, S/N, TLP#,

Approval#)

CC 2 DEFERRED DEFECT RAISED DETAILS (Item, P/N, S/N, TLP#,

Approval#)

DD1 DEFERRED DEFECT CLEARED DETAILS (Item, P/N, S/N, TLP#,

Approval#)

DD2 DEFERRED DEFECT CLEARED DETAILS (Item, P/N, S/N, TLP#,


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Approval#)

EE TYPE OF CHECK COMPLETED DATE (UTC) . TIME (UTC)

FF1 ENGINE # 1 OIL UPLIFTS IN QTS

FF2 ENGINE # 2 OIL UPLIFTS IN QTS

FF3 APU OIL UPLIFTS IN QTS

GG1 LEFT (GREEN) HYDRAULIC SYSTEM UPLIFTS IN QTS

GG2 CENTER (BLUE) HYDRAULIC SYSTEM UPLIFTS IN QTS

GG1 RIGHT (YELLOW) HYDRAULIC SYSTEM UPLIFTS IN QTS

HH UNSCHEDULED CHECK REQUIRED (BIRD STRIKES etc)

II DELAY TIME DELAY DUE TO.. A.T.D

JJ ENGINEER NAME AND APPROVAL NUMBER

b) Aircraft Technical Delay Telex:

(SENDERS ADDRESS)..DATE/MONTH/YEAR (UTC):.TIME

(UTC):...

A.T.A.:A.T.D:TOTAL HOURS:TOTAL

CYCLES:

SECTOR TIME:..

AA A/C REG.

BB FLIGHT # AFFECTED

CC TECH. LOG PAGE #

DD S.T.A

EE A.T.A

FF S.T.D

GG INITIAL OR FINAL DELAY ADVICE

HR DEFECT DESCRIPTION

II DEFECT RECTIFICATION ACTION

JJ DEFECT ITEM DETAILS. (Item, P/N, S/N)

KK DEFERRED DEFECT RAISED DETAILS. (Item, P/N, S/N, TLP#,

Approval#)LL SPARE PART REQUIREMENT DETAILS

MM AIRCRAFT DECLARED SERVICEABLE AT DATE (UTC):..TIME


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(UTC):..

OO A.T.D

PP DELAY TIME

QQ ENGINEER NAME AND APPROVAL NUMBER

c) Aircraft Night Stop/Remote Scheduled Check Telex:

(SENDERS ADDRESS)DATE /MONTH/YEAR (UTC):..TIME

(UTC):...

A/C REG:. FLIGHT #.. TECH LOG PAGE #:

ATA: TOTAL HOURS:.. TOTAL CYCLES:.

AA1 CURRENT DEFERRED DEFECTS

BB1 DEFERRED DEFECT RAISED DETAILS. (Item, P/N, S/N, TLP#, Approval

#.)

BB2 DEFERRED DEFECT RAISED DETAILS. (Item, PIN, S/N, TLP#,

Approval#.)

BB3

CC1 DEFERRED DEFECT CLEARED DETAILS. (Item, P/N, S/N, TLP#,Approval#.)

CC2 DEFERRED DEFECT CLEARED DETAILS. (Item, PIN, SIN, TLP#,

Approval#.)

DD TYPE OF CHECK COMPLETEDDATE (UTC):TIME (UTC) .

EE ENGINEER NAME AND APPROVAL NUMBER

Depending on the aircraft status and operation, a telex form raised must

be sent to SITA addresses bellows:

Item Organizations SITA @ Note

1 Vietnam AirlinesTechnical Department

HDQEPVN

2 Vietnam Airlines

Safety - Quality & Security Department

HDQQAVN

3 VAECO - MCC HAN HANEMVN

Note: Although use of the above mentioned aircraft departure TELEXs are

highly recommended by VNA, aircraft departure telex is optional for all normalflights with CRS onboard. For other abnormal situations the CRS may use any

mean of communication (phone/fax/Telex) to contact the related VAECO MCC


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to inform about the aircraft status and to provide related information in a timely

manner.

2. A.O.G. and Technical Delay Report

Definitions:

- An A.O.G. is defined as when an aircraft is unable to continue in

operation due to defect(s) or occurrence which compromises its

airworthiness and serviceability. This might be caused by lack of spare(s)and/or resources required to rectify the defect or because of an accident or

incident.

- A technical delay is classified as when an aircraft has departed 15

minutes after Scheduled Time Departure (STD) due to Technical Defector Occurrence.

Authorized Staff are responsible for informing the related VAECO MCCimmediately of all the details concerning to any A.O.G. / technical delay

or any potential delay situation and related details pertaining to the event

by any available means of communication to avoid flight schedule

interruption and to ensure possible aircraft re-scheduling.

Recording requirement:

Authorized staff should record all details related to the A.O.G. situationand all information related to Technical delay (or Telex format for Line

Station - Refer to Line Station Telex mentioned above). Forward it to the

related VAECO MCC and VNA Technical Department as soon as

possible.

3. Mandatory Occurrence Report

3.1General:

A defect or occurrence is reportable when it endangers, or if not corrected

would endanger the safety of the aircraft, its occupants, or any otherperson.

Examples of reportable occurrences are listed at the end of this procedure.

Any person discovering a defect or occurrence, which is classified as

reportable, is responsible for raising a CAAV Mandatory Occurrence

Report form 14 a/b as soon as possible but in any case, within 72 hours ofthe discovery. If the occurrence is serious enough to warrant immediate

action and involves damage to the aircraft or injury to personnel, initial

reporting shall be made directly to the related VAECO MCC bytelephone, fax or SITA. The CAAV MOR form 14 a/b shall be sent at the

soonest but within 48 hours to Technical & SQS departments of Vietnam

Airlines.


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3.2Instances requiring additional report:

An additional report to the Mandatory Occurrence Report will only be

raised whenever any occurrence happened that may endanger the lives of

the flight crew, the passengers or any person on the ground. Vietnam

Airlines Technical and SQS departments may request additional detailed

reports from its contracted maintenance organisation/line maintenance

service provider in these cases.

3.3Completion requirements:

Authorized Staff are required to:

a. Complete the Mandatory Occurrence Report form: CAAV Mandatory

Occurrence Report form 14 a/b, which is kept in the aircraft documentsfiles on board the aircraft.

b. Follow respective procedure in retrieving and obtaining any requireddocuments related to the occurrence.

c. Forward the report immediately to the related VAECO MCC for proper

dissemination later.

Note: Authorized Staff should immediately inform the related VAECO

MCC of all the details concerning to the A/C occurrence by any available

means of communication to avoid flight schedule interruption and toensure possible aircraft re-scheduling.

3.4Mandatory occurrence to be reported

The following are examples of reportable occurrences and are given for

the guidance of engineers. The list does not include all possible examples

and engineers should use their judgment whenever they discover a defect,as to whether it comes within the scope of reportable occurrences.

Damage to aircraft in flight, or on the ground, which falls in the following

categories:

- Failure or defects in primary structure due to any cause.

- Cracks, corrosion, or permanent deformation of aircraft structure not

previously encountered, or greater than expected and routinely dealt with

under normal maintenance, repair or inspection procedures.

- Any failure of non-primary structure, which may endanger the safety ofthe aircraft if not corrected.

- Any part of the aircraft becoming detached in flight.

- Any damage caused by FOD.

System or component failure leading to:

- In flight shut down.


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- Fire or explosion.

- Fire or smoke warning.

- Declaration of emergency landing.

- Rejected take off.

- Unintentional deviation from flight path caused by defective system or

component.

- Emergency evacuation or inadvertent deployments of escape slides.

- Unplanned diversion or return to base.

- Forced landing.

- Departure from the runway due to loss of control.

- Loss of braking.

- Loss of control due to turbulence or system failure.

- Failure of primary and back up control systems.

- Significant leakage of fuel, hydraulic fluid or oil.

- Spillage of toxic or corrosive substances.

Other occurrences to be reported:

- Hard landing, overload.

- Landing outside the takeoff/landing way.- Aircraft tire burst.

- Lightning.

- Failure of ground facilities and guidance systems.

- Contamination of fuel or incorrect fuel loading.

- Incorrect declaration of hazardous or restricted cargo.

- Incorrect packing or loading of cargo.

- Incorrect passenger loading.

* Personnel Safety:

- Injury caused by faulty equipment.

- Injury caused by incorrect handling practices.

- Violent or unruly passengers.

- Sickness or drunkenness of flight crew.

- Injury caused by unpredicted turbo.


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4. ETOPS Reports:

As Vietnam Airlines operate ETOPS for B777 and A330 fleet, the following

situations related to ETOPS operations must also be reported to VNA by form

VNA-RP-N2 within 24hours after the event by the contracted maintenance

organisation:

- IFSDs, except planned IFSDs performed for flight training.- Diversions and turnbacks for failures, malfunctions, or defects

associated with any ETOPS Significant Systems.

- Uncommanded power or thrust changes or surges.- Inability to control the engine or obtain desired power or thrust.- Inadvertent fuel loss or unavailability, or uncorrectable fuel imbalance

in flight.

- Failures, malfunctions or defects associated with ETOPS SignificantSystems.

- Any event that would jeopardize the safe flight and landing of theairplane on an ETOPS flight.

Note:Initial information shall be reported by Line maintenance service provider

within 48 hours. As the course of further investigation, VNA may request

detailed reports and additional information when necessary.

VII. Records:Item Description Approved form Retention

period

Place of Retention

1 Departure

Telex

As described 03 months

2 AOG

report

VNA-TE-F01 12 months Technical Dept. and VAR-145

contracted Organisation.3 Delay

Report

VNA-TE-F02 12 months Technical Dept. and VAR-145

contracted organisation.

4 MandatoryOccurence

Report

CAAV form14 a/b

24 monthsor as

instruction

VNAs Technical Dept; SQSdepartment and VAR-145

contracted organisation

5 ETOPS

events-

oriented

reliabilityreports

VNA-RP-N2 VNAs Technical Dept; SQS

department and VAR-145

contracted organisation


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2.6 De/Anti-Icing Procedure

I.

Purpose:- To establish de-icing/anti-icing procedure in accordance with the

appropriate referenced Authority Regulations and Vietnam AirlinesRequirements.

- To ensure that during low temperature conditions, an aircraft ready for

flight must not have ice, snow, clush or forst adhering to its surfaces.

II. Scope of Affected:This procedure applies to Organisations and Personnel involved to the

Line Maintenance Activities for VNAs aircraft.

III. Responsibility:The Lines Station Authorized Staff, the ground handling staff and the

pilots are responsible for ensuring that aircraft is being De/anti-iced in

accodance with the specified procedures.

IV. References:MME 3.16.

V. Definition and abbreviation:De/anti icing is a combination of the two procedures: de-icing and anti-

icing performed in one or two steps.

VI. Content of Procedure:1.During low temperature conditions, the authorised maintenance staff

performs ice-check immediately before the aircraft departure.

2.The authorised maintenance staff and/or the pilots will decide if theaircraft need to remove frost, ice and snow.

3.Perform removal of frost, ice and snow with or without using de-icing /anti-icing fluid.

4.De/anti-icing operation is normally carried out by the ContractedGround Handling Company before take-off. VNA has acceptedDe/anti-icing procedures of the Ground Handling Company upon

approval by Safety-Quality & Security Department of VNA.

5.The authorised staff must communicate and check with the ContractGround Handling Company to make sure that the correct type of fluid

(if any) is used for the de/anti-icing of the aircraft iaw the instructions

of the aircraft manufacturer.

6.Accomplish final check before aircraft dispatch to ensure aircraft iscleaned. This check is normally performed from both outside the

aircraft and inside the flight deck.7.The maintenance action shall be recorded and certified in the relevant

Technical Log page to confirm the correct type and quantity of the fluid

used.


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8.Other information/instructions for the safe takeoff (such as hold-overtime) shall be given to the flight crew.


Content

Approved

Form

Keeping

Periord

Storage

1 Technical Log (Blue One) VNA-SQS-

F14-01

24 hours min

or

Instruction*

Line

Station


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2.7 Components movement monitoring

I. Purpose:The purpose of this procedure is to establish a procedure for

controlling/monitoring of movement of aircraft components on line

maintenance.

II. Scope of Affected:This procedure is applied to all aircraft components on line maintenance.

Removal/Installation of aircraft components at line stations includes but

not limits to the tasks below:

1. Identification of the parts needed for removal/installation;2. Spare parts request, acquisition and handling; (incoming inspection,

VAECO MCC support);

3. Removal/installation of the parts;4. Returning Defective/Serviceable components and all

documentations relating to the removal/installation to main base or

to the address provided by the VNA representative or the relatedVAECO MCC.

III. Responsibility:Authorized staff at outstation will be responsible for this procedure.

VAECO MCC managers are responsible for controlling, monitoring of all

aircraft components at Line stations.

IV. References:MME 2.5.6, 2.5.7.

V. Definition and abbreviation:VI. Content of Procedure:1.Identification of the parts needed

line maintenance manual iss 02 rev 06

Documents

line maintenance manualchapter

line maintenance forms

line maintenance instructions

line maintenance procedures2

line maintenance checklist3

line maintenance manualhni

maintenance data

rnp maintenance procedure