DOC AIRBUS | AMM A320FDetailed Inspection of the Thrust Reverser, Actuator Fittings and Attachment to Forward Frame [PW11]
TASK 78-32-00-210-822-A
Detailed Inspection of the Thrust Reverser, Actuator Fittings and Attachment to Forward Frame
Refer to the MPD TASK: 783217-01
DETAILED INSPECTION OF THRUST REVERSER, ACTUATOR FITTINGS AND ATTACHMENT TO FORWARD FRAME.
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 78-32-00-941-111-A ** ON A/C NOT FOR ALL
Subtask 78-32-00-440-102-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:32:29 UTC
Detailed Inspection of the Thrust Reverser, Actuator Fittings and Attachment to Forward Frame
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AND THE ADJACENT COMPONENTS AFTER ENGINE SHUTDOWN. THE ENGINE, THE ENGINE OIL AND THE ADJACENT COMPONENTS 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.
1. Reason for the JobRefer to the MPD TASK: 783217-01
DETAILED INSPECTION OF THRUST REVERSER, ACTUATOR FITTINGS AND ATTACHMENT TO FORWARD FRAME.
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 | FLASHLIGHT |
| 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 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-30-00-440-805-A | Reactivation of the Thrust Reverser System after Ground Maintenance |
| TASK 78-31-03-000-801-A | Removal of the TRAS Locking Actuator |
| TASK 78-31-03-400-801-A | Installation of the TRAS Locking Actuator |
| TASK 78-31-04-000-801-A | Removal of the TRAS Locking-Feedback Actuator |
| TASK 78-31-04-400-801-A | Installation of the TRAS Locking-Feedback Actuator |
DVI of Thrust Reverser Actuator Fittings and Attachment to Forward FrameSubtask 78-32-00-941-111-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 78-32-00-010-161-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.
Subtask 78-32-00-040-110-A ** ON A/C NOT FOR ALL (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.
C. Deactivation of the Thrust Reverser for Maintenance
4. ProcedureWARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Do the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805). CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 78-32-00-210-107-A ** ON A/C NOT FOR ALL A. Visually Examine the Torque Box Fittings and Attaching Hardware to the Forward Frame
(1) Do not discard a part until you are sure there are no repairs available. If you reject a part and no repair is available, contact United Technologies Aerospace Systems (UTAS) for disposition.
(2) Visually examine the torque box fittings and attaching hardware to the forward frame. Use and inspection FLASHLIGHT and MAGNIFYING GLASS POWER 10X.
(3) Clean the inspection areas with a lint-free cotton cloth (Material No.PU1-0001) to remove unwanted debris, dirt and grease.
(4) Examine the torque box fitting assemblies and attaching hardware for the locking feedback actuator and locking actuator.
(a) Look for gouges, nicks, scratches, deterioration of protection, missing or lose fasteners and other damage.
(b) If you find damage, refer to the Structural Repair Manual for allowable damage limits and repair procedures or contact UTAS for disposition.
(5) Examine the gimbal pins, gimbal pin retainer and hardware that attach the locking feedback actuator and locking actuator to the torque box fitting assemblies.
(a) Look for gouges, nicks, scratches, deterioration of protection and other damage.
(b) If you find damage, replace the gimbal pin (Ref. AMM TASK 78-31-03-000-801), (Ref. AMM TASK 78-31-03-400-801), (Ref. AMM TASK 78-31-04-000-801) and (Ref. AMM TASK 78-31-04-400-801) or contact UTAS for disposition.
(6) Examine the torque box fitting assemblies and attaching hardware for the door opening system actuator.
(a) Look for gouges, nicks, scratches, deterioration of protection, missing or loose fasteners and other damage.
(b) If you find damage, refer to the Structural Repair Manual for allowable damage limits and repair procedures or contact UTAS for disposition.
5. Close-up(1) Do not discard a part until you are sure there are no repairs available. If you reject a part and no repair is available, contact United Technologies Aerospace Systems (UTAS) for disposition.
(2) Visually examine the torque box fittings and attaching hardware to the forward frame. Use and inspection FLASHLIGHT and MAGNIFYING GLASS POWER 10X.
(3) Clean the inspection areas with a lint-free cotton cloth (Material No.PU1-0001) to remove unwanted debris, dirt and grease.
(4) Examine the torque box fitting assemblies and attaching hardware for the locking feedback actuator and locking actuator.
(a) Look for gouges, nicks, scratches, deterioration of protection, missing or lose fasteners and other damage.
(b) If you find damage, refer to the Structural Repair Manual for allowable damage limits and repair procedures or contact UTAS for disposition.
(5) Examine the gimbal pins, gimbal pin retainer and hardware that attach the locking feedback actuator and locking actuator to the torque box fitting assemblies.
(a) Look for gouges, nicks, scratches, deterioration of protection and other damage.
(b) If you find damage, replace the gimbal pin (Ref. AMM TASK 78-31-03-000-801), (Ref. AMM TASK 78-31-03-400-801), (Ref. AMM TASK 78-31-04-000-801) and (Ref. AMM TASK 78-31-04-400-801) or contact UTAS for disposition.
(6) Examine the torque box fitting assemblies and attaching hardware for the door opening system actuator.
(a) Look for gouges, nicks, scratches, deterioration of protection, missing or loose fasteners and other damage.
(b) If you find damage, refer to the Structural Repair Manual for allowable damage limits and repair procedures or contact UTAS for disposition.
Subtask 78-32-00-440-102-A ** ON A/C NOT FOR ALL
A. Reactivation of the Thrust Reverser System
(1) Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 78-32-00-410-150-A ** ON A/C NOT FOR ALL (1) Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).