Air Canada Technical Services Engine Component Repair Capabilities CFM56-5A Engines

Engine Components - Repair Development Expertise With over 60 years of experience in engine maintenance, Air Canada Technical Services’ ability to reduce your engine maintenance costs is second to none. We have a strong engineering team dedicated specifically to address your needs for engine component repairs. You send the damaged component to us and we fix it. Simple as that! Our expertise in engine component repair development has resulted in significant savings for Air Canada and our numerous customers over the years. We can offer you our existing repairs or develop one unique to your requirements and have it approved by Transport Canada (AE- 100) or by an FAA/DER (8110-3). You can’t afford to wait any longer. Let us show you what we can do.

CFM56-5A HPC Front Stator Assy ATA 72-32-00 CFM56-5A HPC Front Stator Assy Typical P/N’s 1318M75G09 Major EM Repairs Performed R001-Repair Key Locked Insert. R002- Weld Repair Rotation Stop. R003- Repair Boroscope Port Thread. R004- Repair Fwd or Aft Flange Rabbet Diameter. R005-Replace Vane Sector Stop. R006-T Slot Repair. R007- Crack Repair Titanium Case. R008- Repair Flow Path. R009-Repair Threaded Holes. R010-repair Boroscope Port Threads. R011-Crack Repair Boroscope Boss. R012- Heat Treat Temper Repair. R014- Repair Stage 4 -5 Vane Rails. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A HPC Rear Stator Assembly ATA 72-33-00 CFM56-5A HPC Rear Stator Assembly Typical P/N’s 1316M51G01 Major EM Repairs Performed R001-Repair Boroscope Port Threads. R002- Replace Welded Anti-Rotation Lugs. R003/4-Repair Aft Flange Rabbit Diameter. R005-Apply Rub Coat. R006- Repair Forward Lip Outer Diameter. R007-Weld Repair Cracked Incoloy 903 Cases. R008-Weld Repair Cracked Incoloy 907/909 Cases. R009-Weld Repair Cracked Incoloy 909 Cases. SB72-126 Modify Holes Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Fuel Manifold Typical P/N’s Major EM Repairs Performed ATA 72-41-04 CFM56-5A Fuel Manifold Typical P/N’s 9393M59G05 Major EM Repairs Performed Inspect and Clean Blend Repair Nicks and Scratches Apply SB 73-133. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Combustion Chamber Assembly (Bolted Dome) ATA 72-42-00 CFM56-5A Combustion Chamber Assembly (Bolted Dome) Typical P/N’s 1493M73G01 Major EM Repairs Performed Disassemble,Inspect,Repair or Replace Sub Components As Required. Apply Thermal Barrier Coating. New Nuts and Bolts. All Additional Replacement Parts Charged Separately. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Combustor Outer Cowl ATA 72-42-01 CFM56-5A Combustor Outer Cowl Typical P/N’s 9531M61G06 1968M59G01 (SB72-576) Major EM Repairs Performed R001- Inspect and Rework Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Combustor Inner Cowl ATA 72-42-01 CFM56-5A Combustor Inner Cowl Typical P/N’s 9531M11G02 Major EM Repairs Performed R002- Inspect and Rework Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Combustor Dome (Bolted) ATA 72-42-02 CFM56-5A Combustor Dome (Bolted) Typical P/N’s 1317M58G01 Major EM Repairs Performed R001-Weld Repair, Re-size, Stress Relief. R002-Primary Swirler Nozzle Repair/Replacement. R003-Repair Swirler Anti-Rotation Tangs. R005-Remove Thermal Barrier Coating R006-Apply Thermal Barrier Coating R007-Replace Secondary Nozzle Flange R008-Replace Primary Swirler Retainer. R009-Weld Repair Bolt Holes. R010-Deflector Replacement. R012-Swirler Replacement. R013-Resize Dome. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Combustor Inner Liner ATA 72-42-03 CFM56-5A Combustor Inner Liner Typical P/N’s 1317M57G02 Major EM Repairs Performed R001-Weld Repair,Resize Stress Relief. R002-DTW Repair of Inner Liner Seal R003-Remove Nut Plates. R004-Replace Nut Plates. R005-Remove Thermal Barrier Coating R006-Replace Thermal Barrier Coating R007-Repair Liner Bolt Holes. R008-Weld Patch Repair. R009- Repair Inner Liner Aft Support Ring. R010-Repair Bolt Holes. R011-Support Leg Weld Repair R012-Apply Thicker Thermal Barrier Coating Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Combustor Outer Liner ATA 72-42-04 CFM56-5A Combustor Outer Liner Typical P/N’s 1317M56G03 Major EM Repairs Performed R001- (Only for P# 1317M56G03/G04) R002-Aft Seal Flange restoration. R003- Remove Thermal Barrier Coating R004-Replace Thermal Barrier Coating R005-Remove Lug Ring R006- Replace Lug Ring R007-Repair Bolt Holes. R008-Weld, Resize, Stress Relief. R009- Igniter Sleeve Ferrule Repair/Replacement. R012-Weld Patch repair. R013-Repair Lug Ring Aft Surface. R014-Replace Igniter Ferrule. R015-Weld Repair Aft Seal Flange. R016-Apply Thick Thermal Barrier Coating R017-Igniter Port Local Sizing Repair. R019-Replace Outer Liner Support Ring. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A HPT Shroud Support ATA 72-53-02 CFM56-5A HPT Shroud Support Typical P/N’s 1358M15G06 Major EM Repairs Performed R004-Repair Forward Flange Wear R006-Restore Worn Mid-Shield R011-Repair Forward Rail R012-Resize Support R018-Weld Wear on Vane Mount Face R019-Restore Front Flange Dimensions R020-Restore Aft Flange Dimensions R021-Repair Surface and Face SB72-227 Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Air Impingement Manifold ATA 72-53-05 CFM56-5A Air Impingement Manifold Typical P/N’s 1319M81G02 Major EM Repairs Performed R003-Plasma Coat. R004- Weld Repair Splash Plate. R007-Weld Repair Joint Braze. R009-Weld Repair Aft Outer Tube Support. R010-Plasma Repair Forward Tabs. R013- Weld Repair Axial Cracks. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A L. P. Turbine Shaft Typical P/N’s Major EM Repairs Performed ATA 72-55-01 CFM56-5A L. P. Turbine Shaft Typical P/N’s 336-009-705-0 Major EM Repairs Performed R001- Replace Paint R002- Restore Aft Diameter R006- Restore #4 Diameter R008- Restore #5 Diameter R010- Restore LPT Diameter Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/

CFM56-5A Turbine Rear Frame ATA 72-56-01 CFM56-5A Turbine Rear Frame Typical P/N 336-028-601-0 Major EM Repairs Performed R001 To R005 Replace Details R006- Restore Face R007- Restore Diameter R008- Restore Face R009- Replace Tube Fittings R011 To R013 Restore Faces R015,016- Restore diameters R017- Replace Tube R018- Replace Tube R020- Weld Repair Cracks ACR01- Blend Repair Cracks (DER # RDE 50001 ) ACR02- Weld Repair Cracks (DER# RDE 50002 ) R022- Stud Replacement. R023- Install Bushings R025- Install Bushings R026-Replace Clevis Bushes. R027-Replace Heat Shields. Note: ACR01 and ACR02 are in-house developed repairs based on R021. Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada Toll Free Canada & US: 1-866-833-3033 / Outside Canada & US: 1-800-8008-0066 / Telephone: 1-514-422-7010 www.aircanada.ca/acfamily/technical/