8. quality assurance

7/28/2019 8. Quality Assurance

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AIRCRAFT MAINTENANCE(437309)

Quality Management

and

Continuing Analysis and Surveillance System (CASS)

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WHAT IS QUALITY?

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DIFFERENCES BETWEEN

QUALITYASSURANCE AND QUALITYCONTROLFeb-13

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DEFINITIONS OF QAAND QC

Definitions of QA and QC Quality Assurance (QA) refers to the process used to

create the deliverables, and can be performed by amanager, client, or even a third-party reviewer.

Examples of quality assurance include process checklists,

project audits and methodology and standardsdevelopment.

Quality Control (QC) refers to quality related activitiesassociated with the creation of project deliverables. Qualitycontrol is used to verify that deliverables are of acceptable

quality and that they are complete and correct.Examples of quality control activities include inspection,deliverable peer reviews and the testing process.

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QUALITYASSURANCE

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Quality Assurance Focus on:

QA aims to prevent defects with a focus on theprocess used to make the product. It is a proactivequality process.

Goal: The goal of QA is to improve developmentand test processes so that defectsdo not arise whenthe product is being developed.

Quality Assurance is process oriented and focuseson defect prevention.


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QUALITYCONTROL

Quality Control Focus on:

QC aims to identify defects in the finished product.Quality control, therefore, is a reactive process.

Goal: The goal of QC is to identify defects after aproduct is developed and before it's released.

Quality Control is product oriented and focuses

on defect identification.

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QUALITYSYSTEM

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AUDITING

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AUDITING


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SCOPE OF CONTINUING AIRWORTHINESS &SURVEILLANCE SYSTEM (CASS)

Monitors all 10 elements of your maintenance program:

Airworthiness responsibility,

Air carrier maintenance manual,

Air carrier maintenance organization,

Accomplishment and approval of maintenance andalterations,

Maintenance schedule,

RII,

Maintenance recordkeeping system,

Contract maintenance, Personnel training, and

CASS.

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BASIC CASS PROCESS

CASS is a risk-based, closed-loop system, 4 basic processes:

(1) Surveillance.

An information gathering/audit process you use to collectdata to measure your program execution and measure yourprogram results.

(2) Analysis.An analysis process you use to identify any maintenanceprogram deficiencies and any necessary corrective actions.

(3) Corrective Action.

A planning process you use to ensure that your corrective

actions and implementation steps are well-defined.(4) Follow up.

A follow up, performance measurement process you use toverify that your corrective actions are performed and areeffective. This is also an information-gathering and analysis

process, thereby, closing the loop.

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CASS FUNCTIONS

CASS

(Continuing Analysis and Surveillance System) Quality assurance (QA)

Quality Control (QC)

Reliability (QA)

Safety (QA)

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QUALITY ASSURANCE (QA)

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Quality Audit

Responsible for carrying out certain administrative for

the director of MPE and for conducting annual audits ofall M&E organizations

Technical Records

Standard

Monitor maintenance program to determineeffectiveness and implement corrective action, not only

in-house works but also any work done by out-source

Administrative and Managementof QA and CASS

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Quality Audit

Process and procedure related to maintenanceactions : logbook; complete check; conduct of transit;daily; handling and deferred maintenance; servicing;

inspection; work transfer and procurement of spare Process and procedure related to materiel: receiving;

warehouse; labeling; handling;time-limit; hazardous Process and procedure related to engineering :

development of Maintenance program; establishment

of policies and procedures; SB; AD; SL Process and procedure related to training

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Self Quality Audit

1. Ramp Operations2. Airplane Tire Pressure3. Shop records4. Required Inspection Item (RII)5. AD and SB compliance6. Major repairs and alterations7. Safety equipment8. Safety Training

9. Accident/incident reporting10. Fire protection/prevention11. Hazardous materials handling

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Q (QA)


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ISO 9000 Quality Standard

1. Managementresponsibility

2. Documentedqualitysystem

3. Review ofcustomercontracts

4. Implementprocesscontrols

5. Documentcontrol

6. Purchasingcontrol

7. Suppliercontrols

8. Producttraceability

9. Documentedprocesses

10. Inspection and testing

11. Calibration oftoolsand test equipment

12. Inspection and test ofproducts

13. Control

of

nonconforming

products

14. Document correctiveaction

15. Protect parts, etc.from damage, theft, etc.

16. Qualityrecordsrequired

17. Internalqualityaudits

18. Documenttraining

19. Track servicing

20. Usestatisticaltechniques totrackquality

ISO 9000 requirement 9001 9002 9003Maintenance

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Technical Records

Continuous Records

General Records (aircraft, engines, components, appliances) Time in service records Life Limited parts

AD status Aircraft Records

Current inspect status

Component Records Overhaul list Component history cards

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Technical Records

Routine Records General Records (aircraft, engines, components, appliances)

Fleet Campaigns Completes Checklists

Aircraft Records LogBooks

Engine and APU Records LogBooks

Maintenance Training Records

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Technical Records

Repetitive Records Aircraft Records

Maintenance/Inspection checks (line and light) Maintenance/Inspection checks (heavy) Weight and Balance

Engine and APU Records Overhaul, check, and hot section inspections

Permanent Records General Records (aircraft, engines, components, appliances)

AD compliance records SB/SL compliance records Major Repair/alteration records

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QUALITYCONTROL (QC)

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A/C Inspection

Look Specifically at maintenance practices and the

actual conduct of the maintenance work

Shop Inspection

Materials Inspection

NDT

Calibration of tools and equipment

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QUALITYCONTROL (QC)

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Dedicated inspector: A&P license + training +

Approved by QA

Look Specifically at maintenance practices and the

actual conduct of the maintenance work

Delegated inspector: inspection in specific area

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QUALITYCONTROL (QC)

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Basic Inspection Policies

Inspection Stamp Continuity of inspection Countermand of inspectors decision

Re-inspection of rejected work (buyback) Inspection of ones own work Completion of work

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8. quality assurance

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