560xl customer conference 2017 - cessna

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CUSTOMER SERVICE

560XL Technical PresentationTEAM XL/XLS/XLS+

• 510 Technical Review− Redbud Room 10:00 – 11:00

• 500 Series Technical Review− Redbud Room 11:00 – 12:00

• 650 Technical Review− Birch 10:00 – 11:00

• ADS-B Out – What’s Next For Textron Aviation− Birch 11:00 – 12:00

• Rockwell Collins PL21 and Fusion Updates, Field Issues and Obsolescence’s− Cedar 10:00 – 11:00 − Osage 11:00 – 12:00

• Jeppesen: JDM Enhancements & Introduction to Operator / Solver− Cedar 11:00 – 12:00

• Premier / Beechjet Pilot Round Table− Maple 10:00 – 11:00

• 525 & M2 Pilot Round Table− Maple 11:00 – 12:00

• CDMS & LinxUs− Osage 10:00 – 11:00

• General Aviation Safety and the NTSB Most Wanted− Oak 10:00 – 11:00

• Flight Department Management – Future Trends, Current Challenges− Oak 11:00 – 12:00

Concurrent Sessions

Housekeeping

Please Set Communication Devices to Vibrate Mode

THANK YOU!

Inspection Authorization Card

Technical Presentation Worth IA Credit

500 Series NBAA Technical Committee

• Dave Quale – Poet• Mark Werner – CBL & Associates Management• Dick Abernathy – Commerce Bank• John Bell – JB Aviation• Mark Chaney – Coca Cola Bottling Company Consolidated• Lance Ferguson – Commonwealth Eye Surgery• Michael Herman – Bear Air• Rich Pickett – Personal Wings, Inc• James Schmidt – Amway Aviation• Andy Shafer – Scottsdale Hangar One• Mike Strickland – Delhaize America • Patrick Taylor – Southwest Gas Corporation• Pat Welch – West Star Aviation, ALN• Chuck Zahnow – Duncan Aviation, BTL

NBAA Technical Committee

Team Excel/XLS/XLS+

Ben WestermanPropulsion/Systems

Toll Free 877-560-3960 Intl +1 (316) [email protected]

Mark MetcalfAvionics/Electrical

Martin CranfordPropulsion/Systems

ExcelFleet Size: 369 AirplanesFleet Total Time: 2,262,136 HoursHigh Time Airplane: 13,206 HoursAverage Total Time: 6,301 Hours

XLSFleet Size: 329 AirplanesFleet Total Time: 1,445,896 Hours High Time Airplane: 11,314 HoursAverage Total Time: 4,408 Hours

XLS+Fleet Size: 224 AirplanesFleet Total Time: 298,255 HoursHigh Time Airplane: 8,144 HoursAverage Total Time: 1,320 HoursLast Airplane Delivered: 560-6230

Fleet Statistics Excel/XLS/XLS+

• Issue: ADS-B Out Mandate

• Resolution/Status: XLS+ Certification Complete

– New Aircraft Availability Starting Unit 560XL-6204

– SB560XL-34-76 Released In March– Service Bulletin Adds Wiring, ADS-B

FAIL Indicator, Circuit Breaker Change– Transponders Must Be Upgraded

Which Requires Advanced Scheduling– Must Be Complied With By Textron

Aviation Owned Facility

ADS-B OutExcel/XLS/XLS+

• Resolution/Status: Excel/XLS Certification Complete

– Optional SB560XL-34-77 Released June

• Revision 1 Also In June Revision 2 Released September

– Drawing Correction and Clarifications

• Requires WAAS/SBAS Capable FMS

• Requires Upgraded RM-855 RMUs

• Requires UNS-1EspW SCN 1000.8

ADS-B OutExcel/XLS/XLS+

• Issue: Aft Aileron Sector Corrosion

• Resolution/Status: Mandatory SL560XL-27-35 Released November 2015– Inspect Aft Aileron Sector

• Check For Evidence Of Corrosion On Upper Sector • Check For Drain Holes In Upper Sector

– Accomplish Within 180 Days At Document 4 Or Phase 21– Effects 560-5001 Thru -6075

Aft Aileron Sector InspectionExcel/XLS/XLS+

Aft Aileron Sector InspectionExcel/XLS/XLS+

Old Style Sector Without Drain Holes Tailcone Drains Above Sector Installation

Aft Aileron Sector InspectionExcel/XLS/XLS+

Old Sectors With No Drain Holes New Sector (-17 or -23)

Use A Borescope To Examine The Top Of The Sector.

EASA AD 2015-0093 LCR-100 AHRSXLS

• Issue: EASA AD Issued Against LITEF LCR-100 AHRS With Analog Syncro Output

– Only Aircraft With P/N 145130-7000 Affected

• Resolution/Status: Mandatory SB560XL-34-79 Released In March– Affected Aircraft Have 24 Months From AD Release To Replace Unit

• Affects Serial Numbers: -5783, -5792, -5804, -5811, -5813, -5816 and -5819– AFM Temporary Change Portion Of AD Not Applicable

• Textron Aviation Does Not Use Analog Output For Critical Functions– Engineering Certified New LITEF Part Number

LCR-93 To LCR-100 AHRS Parts SubstitutionExcel/XLS

• Issue: LCR-93 Parts Obsolescence

• Resolution/Status: Service Document In Work– Installs Certified LCR-100 Replacement– Service Document Will Provide Instructions To Modify Wiring – Effects Units 560XL-5002 thru -5758

• Units 5780 And On Delivered With LCR-100 Installed • Units 5759 Thru 5779 Had Wire Changes From Delivery

• Issue: Suspect Missing Fasteners Near Tailcone Access Door

• Resolution/Status: Mandatory SL560XL-53-18 January 2016– Affects Units 560-6001 Thru -6191– Inspect Three Locations At Forward Edge Of Tailcone Access Door

• Provides Instructions To Install Fasteners If Missing Stringers 15 And 16 Only• Revised SL Allows Two Fasteners Missing On Stringer 16

Tailcone Fastener InspectionXLS+

Tailcone Fastener InspectionXLS+

Inside Tailcone Looking Forward and Outboard

Missing Fasteners

S16 Two Fasteners Under Flange

Tailcone Fastener InspectionXLS+

Forward Lower Corner

EEC Wire Bundle RoutingXLS+

• Issue: Intermittent AC GENERATOR BEARING – R Messages

• Resolution/Status: Recommended SB560XL-24-19 Released in March– Affects Units 560-6001 Thru 6232– Provides Instructions To Inspect Right Alternator AC Wiring– Adds Clamp To Move And Secure Bundle

EEC Wire Bundle RoutingXLS+

Post Service Bulletin Completion

Rudder Position Sensor RoutingExcel/XLS/XLS+

• Issue: FDR Rudder Position Sensor Wiring May Interfere With Position Sensor Bellcrank

• Resolution/Status: Mandatory SL560XL-27-37 Rev 2 Released July 2016– Affects Units 560-6001 Thru -6193 With FDR or FDR Partial Provisions– Inspect Position Sensor Wiring– Adds Tie Wrap To Secure Wiring– Adds Mounting Clip Installation Instructions If Not Installed

Rudder Position Sensor RoutingExcel/XLS/XLS+

Rudder Position Sensor Arm

Main Landing Gear Actuator Lock Tab Verification XLS+

• Issue: Main Landing Gear Lock Tab May Not Be Engaged in the Actuator Shaft.

• Issue: Main Landing Gear Lock Tab May Not Be Engaged in the Actuator Shaft.

• Resolution/Status: Recommended SL560XL-32-29 Released In January 2017– Affects Aircraft 560-6001 thru 6215– Jack Aircraft to Perform Inspection– Replace the Lock Tab if it is Deformed, Damaged, or Broken.

• Do the Main Landing Gear Wheel Camber Adjustment Procedure if the Grooves are Not in Alignment or if the Lock Tab was Replaced.

Main Landing Gear Actuator Lock Tab Verification XLS+

• Issue: XM Graphical Weather Loss Of Terminal Area Forecasts (TAF)

• Resolution/Status: Informational SL560XL-34-25 Released In June– Transmits Rockwell Collins Service Information Letter 16-1

• Disables Reset Override– National Weather Service Added 80 Airport Forecasts To Database

• Increased Airport Data Increased Data Transmission Time– Larger TAF Data Causes XM Receiver Watchdog Timer To Timeout

• TAF Package Continuously Restarts, Never Fully Received

XM Graphical Weather TAF LossXLS+

Copilot Left Brake Cylinder HoseExcel

• Issue: Copilot Left Rudder Pedal Bridge May Contact Left Master Cylinder Brake Hose

Copilot Left Brake Cylinder Hose Excel/XLS/XLS+

• Issue: Copilot Left Rudder Pedal Bridge May Contact Left Master Cylinder Brake Hose

• Resolution/Status: Optional SB560XL-32-43 Released March 2016– Affects Units 560-5001 Thru -5500– Replaces Brake Hose With 45 Degree Fitting– Adds Tie Wrap To Secure Hoses

• Issue: Possible Loose Ground Studs On Engine Fire Bottles– Could Prevent Bottle From Being Electrically Connected

• Resolution/Status: Released CIL-26-01 May 2016 To Inspect For Loose Ground Studs

– Squibs Replaced Or Manufactured Since April 2013 – Provides Instructions To Torque Ground Studs– Affects Units -5002 thru -6185– Compliance Within 3 Years Or 1200 Flight Hours Whichever Occurs First

Fire Bottle Cartridge Ground StudExcel/XLS/XLS+

Corrosion Protection ImprovementExcel/XLS/XLS+

• Issue: Landing Gear Corrosion Protection

• Resolution/Status: Model 560XL MM Revised To Include New Procedures– Notes Added For Lubricating Bolts On Installation

– Sealant And Anti-Seize Added To Many Landing Gear Components• Review Current Maintenance Manual Procedures When Changing Gear

Components– Service Bulletin In Work Improved NLG Bearing Installation And Grease

Procedures• Grease Points, Bearing Seals, Improved Bearing Grease

Corrosion Protection ImprovementExcel/XLS/XLS+

Corrosion Protection ImprovementExcel/XLS/XLS+

Corrosion Protection ImprovementExcel/XLS/XLS+

• Issue: Internal Corrosion Of Water Separator Housing

• Resolution/Status: CIL-21-03 Released October 2015 Transmits Honeywell SB 2341316-21-2828

– Provides Inspection Criteria– Provides Repair Procedures

• Repaired Part Number Changes

Water Separator CorrosionExcel/XLS/XLS+

Water Separator CorrosionExcel/XLS/XLS+

RH AC Generator Wiring ChafeExcel/XLS/XLS+

• Issue: RH AC Generator Wiring Can Chafe the RH Motive Flow Tube

• Issue: RH AC Generator Wiring Can Chafe the RH Motive Flow Tube– RH AC Generator Wiring Routing– RH Motive Flow Fuel Tube Damage

• Resolution/Status: Mandatory SL560XL-24-07 Released January 2017– Inspect All Aircraft – Secure Wire Routing to Clear– Repair Chafed Wiring– Replace Damaged RH Motive Flow Tube Using Permaswage Fittings

RH AC Generator Wiring ChafeExcel/XLS/XLS+

AD 2017-04-14 Wiring Chafe InspectionExcel/XLS/XLS+

• Issue: AD 2017-04-14 Released Feb 22, 2017

AD 2017-04-14 Wiring Chafe InspectionExcel/XLS/XLS+

• Issue: AD 2017-04-14 Released Feb 22, 2017• AD Effective Date March 9, 2017• Require Completed SL560XL-24-07 Results Form Delivered to Team XL• Compliance Within 25 Flight Hours / 180 Days After Effective Date of AD• Special Flight Permits Not Allowed

• Issue: Loss of Hydraulic Pressure

• Resolution/Status: Recommended SL560XL-29-05 Engine Driven Hydraulic Pump Verification

– Replacement 9912062-7 Stamped with “A” Suffix on Serial Number• Inspect for Serial Number• Replace Suspect Pumps with Replacement 9912062-7 Pump• Incorporated on Production Airplanes 560-6221 and On

Hydraulic Pump ReplacementExcel/XLS/XLS+

Avionics Equipment Batteries

• Issue: Some Avionics Equipment Require “Keep Alive” Batteries– No Required Replacement Time– Battery Dependent Components Can Include

• Maintenance Diagnostic Computers (MDC)• Flight Management Computers (FMC) • Air Data Computers (ADC)

Avionics Equipment Batteries

• Resolution/Status:– Request CESCOM/CAMP Add Replacement Reminder

• Most Batteries Last Three to Five Years• Collins Replaces Batteries on Exchange Avionics if Battery is Over

One Year Old

• Issue: Maintenance Manual Procedures Missing For Engine Fault Troubleshooting

• Resolution/Status: Troubleshooting Trees Incorporated July 2016– Chapter 76-12-01 Engine Control Fault Indication -Troubleshooting

• Fuel Control Transfer Solenoid Fault• WOW Interface Fault• GND IDLE Annunciator Stays On After Takeoff

– Training Video Available On Txtavsupport.com (Accessing Engine Faults With Collins Proline 21 XLS+)

Engine Control Fault IsolationExcel/XLS/XLS+

Meggitt UpgradeExcel

• Issue: Meggitt Secondary Flight Display Upgrade

• Resolution/Status: SB560XL-34-54 Revision 2 Released In April 2016– Affects Units -5002 thru -5356– Provides Instructions to Install Meggitt iSFD (Integrated Secondary Flight

Display)• Mk1 and Mk2 Display Replacement

– Also Installs New Standby ADC As Mk1 Standby ADC Replacement

Kollsman Pressurization Troubleshooting

• Issue: Enviro Systems Inc. (Formerly Kollsman) Reported Significant Increase In No Fault Found Returned Components Due To Misdiagnosed Pressurization Issues

• Resolution: Kollsman Expert System Located On www.txtavsupport.comAssists Troubleshooting Pressurization Issues

– If Encountering Java System Security Errors Will Need To Add https://support.cessna.com To Trusted Sights Tab In Java Security Settings

Kollsman Pressurization Troubleshooting

Kollsman Pressurization Troubleshooting

Kollsman Pressurization Troubleshooting

Kollsman Pressurization Troubleshooting

• Issue: Improper Maintenance Practices May Induce Pressurization Faults• Resolution: Ensure Maintenance Manual Procedures Followed/Leak Check

of the Manual Pressurization Hoses/Fittings Post Maintenance– Maintenance Manual Procedures State Manual Pressurization Fittings Only be

Tightened ¼ Turn Beyond Hand Tight, Overtightening Can Damage Fittings/Hoses and Cause Leaks

– A Leak Check Of Manual Pressurization Lines Must Be Performed Following Maintenance That Involves Manual Pressurization Lines, Including Outflow Valve Replacement

Kollsman Pressurization Troubleshooting

Pratt & Whitney Canada

P&WC 545 FamilyJOHNNY MARCHETTI

TEXTRON Customer ConferenceCitation 560XL - PW545 Engines

April 2017

P&WC Proprietary InformationExport Classification: No Technical Data

.

PROPRIETARY RIGHTS NOTICEThis document is the property of Pratt & Whitney Canada Corp. (P&WC). You may not

possess, use, copy or disclose this document or any other information in it, for any purpose, including without limitation to design, manufacture, or repair parts, or obtain FAA or other Government approval to do so, without P&WC express written permission. Neither receipt

nor possession of this document alone, from any source, constitutes such permission.Possession, use, copying or disclosure by anyone without P&WC’s express written

permission is not authorized and may result in criminal or civil liability.

NOTICE - DISCLOSURE OF INFORMATIONThis document contains trade secrets or other confidential information the further Disclosure of which may be harmful to Pratt & Whitney Canada Corp. If the head of

a Government agency or department intends to disclose any of this information,written notice should be given to the Vice President - Legal Services,

Pratt & Whitney Canada Corp., 1000 Marie Victorin (01BE5), Quebec, J4G 1A1.

EXPORT CLASSIFICATION

Classification Instructions: Complete 1. AND at least one of 2-5.If unsure contact your BAER.

1. Canadian ECL(s): NLR Put NLR (No License Required) if there is no ECL controlled technical data or replace with actual classification (e.g. 1-9.E.3.a.3)

2. ECCN(s):

3. P-ECCN(s): 9E991 Contains only non – U.S. origin civil/dual-use data (e.g. 9E991, 9E003).Do not use if an ECCN is provided.

4. USML: Contains US-origin ITAR - controlled technical data (e.g. VIII(i)). Leave blank if no US data.

5. P-USML: Contains non US-origin technical data equivalent to USML (e.g., VIII(i)). Do not use if an ITAR classification is provided.

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PW545 AGENDA

GLOBAL SUPPORT

OIL ANALYSIS

FLEET STATISTICS

OIL SERVICING

HPC ROTOR 2 DISTRESS

BOV ORIFICE SIZING

ELECTRONIC ENGINE CONTROL

JFC160 FUEL CONTROL

PW545 TBO EXTENSION

PUBLICATIONS

P&WC Proprietary InformationExport Classification: No Technical Data

55

CUSTOMER FIRST CENTRES

VISION Proactive approach to our customers needs with tailoredtechnical support.

MISSION Keep our customers flying with a 24/7/365 technical support thatcovers fleet monitoring to AOG event management.

Longueuil Team Singapore Team

Export Classification: No Technical Data P&WC Proprietary Information

56

CUSTOMER FIRST CENTRE24-hour 7 days a week event

management, technical and commercial support

email: [email protected]

In Canada and United StatesTel: 1-800-268-8000

InternationalInter. Access Code+ 8000-268-8000Tel: (450) 647-8000

Fax:(450) 647-2888

Export Classification: No Technical Data P&WC Proprietary Information

57

CUSTOMER PORTAL

To register for the Portal use the convenient link on the P&WC home page

athttp://www.pwc.ca

or go to

http://eportal.pwc.ca

Export Classification: No Technical Data P&WC Proprietary Information

5858

My Customer Dashboard Online buying

Mobility

Integrated Cart Portal-wide search

A POWERFUL NEW CUSTOMER PORTALRelease 1.0 of the My P&WC Power customer portal is a first step towards market leadership in digital services.

Export Classification: No Technical Data P&WC Proprietary Information

59

Bridgeport

Montreal

BurlingtonLong Beach

Lethbridge

Atlanta

Wichita

Luton

Lanseria

Singapore

Brisbane

Berlin

Sorocaba

AmsterdamMichigan

Service Centers & DOF Parts DistributionFly-in Capability

10,000+ Customers… 200 Countries… 50,000 Engines… 614 Million hours

Service Centers Rental Engines Customer First Field Service Mobile Repair Teams

Toronto

Moscow

Sydney

China

Memphis

Worldwide Services7 Parts Distribution Centers 13 Service Centers17 Independent Facilities100 Field service representatives100 Mobile Repair Teams

Export Classification: No Technical Data

GLOBAL SUPPORT NETWORK

P&WC Proprietary Information

60

P&WC OIL ANALYSIS TECHNOLOGY AT A GLANCE

REVOLUTIONARY OIL ANALYSIS

Monitors the health of oil‐wetted engine components including bearings, carbon seals and gears

Improved precision/sensitivity: Know where it is happening earlier

Demonstrated and proven on specific engines

POTENTIAL BENEFITS FOR OPERATORS

Lower maintenance costs

Predictable maintenance budget planning

Reduce delays and cancellations 

Increase aircraft resale value

FROM REACTING TO ANTICIPATINGTOWARD A 100% PLANNED MAINTENANCE ENVIRONMENT

FROM REACTING TO ANTICIPATINGTOWARD A 100% PLANNED MAINTENANCE ENVIRONMENT

UNDER DEVELOPMENT AT THIS TIME

Export Classification: No Technical Data P&WC Proprietary Information

61

Interested in participating? P&WC Proprietary Information

Export Classification: No Technical Data

Interested in participating?

P&WC Proprietary Information

Visit our website for more information

pwc.ca

62

PW545 FLEET STATISTICSMarch 2017

P&WC Proprietary InformationExport Classification: No Technical Data

Cessna Citation Excel

Cessna Citation  XLS

Cessna Citation XLS+

Model PW545A PW545B PW545C

Total Produced 774 688 479

Flying population 

734 658 438

Total Hours 4,653,400 3,120,300 617,800

High Time / ESN 12,947 10,870 6,593

1st Delivery Sep – 1998  Jul – 2004  Dec – 2008 

Total Fleet Hour:   8,391,500 Total Produced:     1941

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OIL SERVICING – LOW OIL PRESSURE

P&WC Proprietary Information

Adherence to Engine Maintenance Manual Oil Servicing Procedures is critical

IssueMultiple reported events of low/loss of main engine oil pressure

CauseIncorrect oil servicing practice, setting the oil level too low

SolutionImproved oil level indicatorService Bulletin SB30508 published Jan’15Engine Maintenance Manual revised May’16SIL PW500-065 Oil Servicing 19 May’16Video – Oil Servicing PW545 28 Nov’16Canadian Airworthiness AdvisoryCASA No. 2016-13 9 Dec’16

Export Classification: No Technical Data

64

PW545B HPC ROTOR 2 DISTRESSIssue4 events of HPC 2nd stage rotor airfoil distress,3 – IFSD, and 1- DIVData suggests issue isolated to PW545B but PW545C not ruled out

CauseUnder investigation by P&WC

Interim SolutionImplemented logistics to replace HPC2 rotors at overhaul shop visitService Information Letter SIL PW500-067 Feb’17

P&WC Proprietary InformationExport Classification: No Technical Data

BOV ORIFICE SIZING

IssueBOV orifice sizing after torque motor replacement

CauseOptional procedure may be too stringent for aging hardware

SolutionEngine Maintenance Manual will be amended to remove the optional procedure

Requirement of OrificeEngine achieves power of the dayEngine does not surge

Chart for Optional procedure

Export Classification: P-ECCN: 9E991P&WC Proprietary Information

66Export Classification: P-ECCN: 9E991

P&WC Proprietary Information

ELECTRONIC ENGINE CONTROL545C EEC

EEC500

IssueTransient voltage suppressor (TVS) faultsEarly production Low Voltage Power Supply (LVPS) faults

CauseTVS – manufacturing processLVPS – solder joint flaw, batch related

SolutionRetrofit campaign to correct TVS and capture LVPS batchService Bulletin 30478 revised to category 3 15 Jul’15

Commercial Support Program issuedPW545C CSPN 1006723 15 Jul’15CSPN closure Dec 2017

Status

Mar 2017PW 545C, P/N 101240087% complete

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JFC160 FUEL CONTROL

Export Classification: P-ECCN: 9E991

Issue4 Events of unscheduled FCU removal due to liberated N2 Flyweight Governor bearing post SB30442 (Zero Backlash)

CauseField returned hardware inspection demonstrated varyinglevels of wear.

Solution Bushing type bearing to replace governor ball bearings

Interim SolutionField refresh activity for units over 1000 hrs TSR

Service Bulletin 30512 published Dec’14Commercial Support Program availableCSPN #1007421

Distressed crown retainer

P&WC Proprietary Information

Redesigned Bearing

PW545A PW545B

68

PW545 TBO EXTENSIONAlternative TBO – 5500 hours

P&WC has completed an analysis supporting a proposed alternative TBO interval of 5500 hours.

The alternative TBO is applicable to PW545A/B/C engines which meet the following criteria:

The participation in an engine condition trendmonitoring (ECTM) program, as defined in the P&WC Publication SIL No. GEN-055, is requiredfrom new engine delivery or from a scheduledmaintenance event (HSI / Overhaul).

A list of Service Bulletins to each specificmodule.

StatusMaintenance Manual revised & published 12 Dec’16

PW545A/B/C

P&WC Proprietary InformationExport Classification: P-ECCN: 9E991

Example of EMM Chapter 05-20-00 Scheduled Maintenance Check

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PUBLICATIONS Maintenance Manual/IPC

Planned next PW500 revisions: June 2017

Service Information Letters / Civil Aviation Safety Alert (Transport Canda)SIL PW500-067 High Compressor Rotor 2nd stageSIL GEN-122R4 Recovery Fee for Maintenance Deviation LettersCASA No. 2016-13 Oil System Servicing

Available Commercial Support Programs CSPN# Ends

Deep Sump (SB30413) 1005541 Dec 2018Oil System Stability (SB30479) 1006977 Dec 2018Rigid Fuel Manifold (SB30405) 1005989, 1006443 Nov 2022Electronic Engine Control (SB30478) 1006723 Dec 2017HFC Inspection (SB30512) 1007421 Jun 2017

P&WC Proprietary InformationExport Classification: No Technical Data

P&WC Proprietary InformationExport Classification: No Technical Data

Technical Panel

LARGE CABIN JETS MANAGER – JOHN SZELENYIPROJECT ENGINEERING – AARON HEIMANAES ENGINEERING – RON SHARPFLIGHT TEST – JON COOPERPRATT & WHITNEY CANADA – JOHNNY MARCHETTITEAM EXCEL/XLS/XLS+ – MARK METCALF / BEN WESTERMAN

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QUESTIONS?