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

2. 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.

3. CFM56-5A HPC Front Stator Assy
ATA
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
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4. CFM56-5A HPC Rear Stator Assembly
ATA
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.
SB Modify Holes
Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada
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5. CFM56-5A Fuel Manifold Typical P/N’s Major EM Repairs Performed
ATA
CFM56-5A Fuel Manifold
Typical P/N’s
9393M59G05
Major EM Repairs Performed
Inspect and Clean
Blend Repair Nicks and Scratches
Apply SB
Air Canada Technical Services Centre Air Canada 1026, C.P. 9000, Dorval, Quebec H4Y 1C2 - Canada
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6. CFM56-5A Combustion Chamber Assembly (Bolted Dome)
ATA
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
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7. CFM56-5A Combustor Outer Cowl
ATA
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
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8. CFM56-5A Combustor Inner Cowl
ATA
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
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9. CFM56-5A Combustor Dome (Bolted)
ATA
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
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10. CFM56-5A Combustor Inner Liner
ATA
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
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11. CFM56-5A Combustor Outer Liner
ATA
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
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12. CFM56-5A HPT Shroud Support
ATA
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
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13. CFM56-5A Air Impingement Manifold
ATA
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
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14. CFM56-5A L. P. Turbine Shaft Typical P/N’s Major EM Repairs Performed
ATA
CFM56-5A L. P. Turbine Shaft
Typical P/N’s
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
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15. CFM56-5A Turbine Rear Frame
ATA
CFM56-5A Turbine Rear Frame
Typical P/N
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 )
ACR02- Weld Repair Cracks (DER# RDE )
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
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