DOC AIRBUS | AMM A320FDetailed Inspection of the Air Intake Cowl "A1" Flange Attachment [PW11]
TASK 71-61-00-220-801-A
Detailed Inspection of the Air Intake Cowl "A1" Flange Attachment
Refer to the MPD TASK: 716101-01
DETAILED INSPECTION OF AIR INTAKE COWL, "A1" FLANGE ATTACHMENT.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 71-61-00-941-077-A ** ON A/C NOT FOR ALL
Subtask 71-61-00-410-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:33:26 UTC
Detailed Inspection of the Air Intake Cowl "A1" Flange Attachment
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
WARNING:
WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobRefer to the MPD TASK: 716101-01
DETAILED INSPECTION OF AIR INTAKE COWL, "A1" FLANGE ATTACHMENT.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | 1 | LIGHT SOURCE - INSPECTION |
| No specific | 1 | MAGNIFYING GLASS POWER 10X |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.PU1-0001) | lint-free cotton cloth |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-00-00-860-833-A | Procedure to Prevent Engine Motoring |
| TASK 71-13-00-010-802-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-802-A | Closing of the Fan Cowl Doors |
| TASK 71-61-10-000-801-A | Removal of the Inlet Cowl |
| TASK 71-61-10-400-801-A | Installation of the Inlet Cowl |
Intake Cowl Attachment RingSubtask 71-61-00-941-077-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
Subtask 71-61-00-010-053-A ** ON A/C NOT FOR ALL (1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
4. Procedure(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 71-61-00-220-050-A ** ON A/C NOT FOR ALL A. Detailed Inspection of the Air Intake Cowl "A1" Flange Attachment
(1) Do not discard a part until you are sure that there are no repairs available. If you reject a part and no repair is available, contact United Technologies Aerospace Systems (UTAS) for disposition.
(2) Clean the inspection area with a lint-free cotton cloth (Material No.PU1-0001) to remove unwanted debris, dirt and grease.
(3) Do a detailed inspection of the inlet cowl attach ring.
(a) Use the LIGHT SOURCE - INSPECTION and the MAGNIFYING GLASS POWER 10X.
1 Examine the attachment ring for corrosion, nicks, gouges, holes, scratches, missing or loose fasteners and other damage.
a If you find damage, refer to the Structural Repair Manual for allowable damage limits and repair procedures or contact UTAS for disposition.
2 Examine the bolts, washers, spacers and nuts that attach the inlet cowl assembly to the engine fan case. Look for damage or missing parts.
a If you find damage or missing parts, replace the parts (Ref. AMM TASK 71-61-10-000-801) and (Ref. AMM TASK 71-61-10-400-801).
3 Examine the alignment pins, washers and nuts. Look for damage or missing parts. If you find damage or a missing part, replace the part (Ref. AMM TASK 71-61-10-000-801) and (Ref. AMM TASK 71-61-10-400-801).
5. Close-up(1) Do not discard a part until you are sure that there are no repairs available. If you reject a part and no repair is available, contact United Technologies Aerospace Systems (UTAS) for disposition.
(2) Clean the inspection area with a lint-free cotton cloth (Material No.PU1-0001) to remove unwanted debris, dirt and grease.
(3) Do a detailed inspection of the inlet cowl attach ring.
(a) Use the LIGHT SOURCE - INSPECTION and the MAGNIFYING GLASS POWER 10X.
1 Examine the attachment ring for corrosion, nicks, gouges, holes, scratches, missing or loose fasteners and other damage.
a If you find damage, refer to the Structural Repair Manual for allowable damage limits and repair procedures or contact UTAS for disposition.
2 Examine the bolts, washers, spacers and nuts that attach the inlet cowl assembly to the engine fan case. Look for damage or missing parts.
a If you find damage or missing parts, replace the parts (Ref. AMM TASK 71-61-10-000-801) and (Ref. AMM TASK 71-61-10-400-801).
3 Examine the alignment pins, washers and nuts. Look for damage or missing parts. If you find damage or a missing part, replace the part (Ref. AMM TASK 71-61-10-000-801) and (Ref. AMM TASK 71-61-10-400-801).
Subtask 71-61-00-410-052-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).