DOC AIRBUS | AMM A320FGeneral Visual Inspection of the Thrust Reverser Seals [PW11]
TASK 78-32-00-210-809-A
General Visual Inspection of the Thrust Reverser Seals
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 78-32-00-941-088-A ** ON A/C NOT FOR ALL
Subtask 78-32-00-410-105-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:32:12 UTC
General Visual Inspection of the Thrust Reverser Seals
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR, 461AL, 462AR | |
| 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 78-32-00-210-807-A | General Visual Inspection of the Thrust Reverser Fire Seals and Vapor Barrier Seals |
| TASK 78-32-00-860-802-A | Manual Extension of the Thrust-Reverser Translating Sleeves |
| TASK 78-32-00-860-803-A | Manual Retraction of the Thrust-Reverser Translating Sleeves |
| TASK 78-32-42-000-802-A | Removal of the Left Thrust-Reverser Seals |
| TASK 78-32-42-000-803-A | Removal of the Left Thrust Reverser Bullnose Seals |
| TASK 78-32-42-400-802-A | Installation of the Left Thrust-Reverser Seals |
| TASK 78-32-42-400-803-A | Installation of the Left Thrust Reverser Bullnose Seals |
| TASK 78-32-72-000-802-A | Removal of the Right Thrust Reverser Seals |
| TASK 78-32-72-000-803-A | Removal of the Right Thrust Reverser Bullnose Seals |
| TASK 78-32-72-400-802-A | Installation of the Right Thrust-Reverser Seals |
| TASK 78-32-72-400-803-A | Installation of the Right Thrust Reverser Bullnose Seals |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 78-36-00-410-802-A | Closing of the Thrust Reverser Cowl-Doors |
Pressure Seals of the Left Thrust ReverserSubtask 78-32-00-941-088-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(Ref. AMM TASK 71-00-00-860-833)
Subtask 78-32-00-010-110-A ** ON A/C NOT FOR ALL 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) 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 78-32-00-040-081-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
Subtask 78-32-00-010-111-A ** ON A/C NOT FOR ALL WARNING:
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). D. Get Access
(1) Open the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR.
4. Procedure(1) Open the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 78-32-00-210-079-A ** ON A/C NOT FOR ALL A. Visually examine the bullnose pressure seals and the IFS-to-bullnose seals of the thrust reverser.
(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) Extension of the thrust reverser translating sleeves.
(3) Examine the bullnose pressure seals of the left and right translating sleeve.
(a) Look for missing segments, cracks, gouges and holes.
(b) If you find damage, replace the pressure seals (Ref. AMM TASK 78-32-42-000-803), (Ref. AMM TASK 78-32-42-400-803), (Ref. AMM TASK 78-32-72-000-803) and (Ref. AMM TASK 78-32-72-400-803) or contact UTAS for disposition.
(4) Examine the upper and lower IFS-to-bullnose seals of the left and right IFS.
(a) Look for missing segments, cracks, gouges and holes.
(b) If you find damage, replace the pressure seals (Ref. AMM TASK 78-32-42-000-803), (Ref. AMM TASK 78-32-42-400-803), (Ref. AMM TASK 78-32-72-000-803) and (Ref. AMM TASK 78-32-72-400-803) or contact UTAS for disposition.
(5) Examine the nuts that attach the IFS-to-bullnose seals to the inner fixed structure of the left and right thrust reverser.
(a) Look for corrosion, wear, cracks, gouges and missing hardware.
(b) If you find damage, replace the hardware (Ref. AMM TASK 78-32-42-000-803), (Ref. AMM TASK 78-32-42-400-803), (Ref. AMM TASK 78-32-72-000-803) and (Ref. AMM TASK 78-32-72-400-803).
(6) Manually retract the thrust reverser translating sleeves (Ref. AMM TASK 78-32-00-860-803).
Subtask 78-32-00-210-080-A ** ON A/C NOT FOR ALL (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) Extension of the thrust reverser translating sleeves.
CAUTION:
DO NOT EXTEND THE THRUST REVERSER TRANSLATING SLEEVE WITH THE THRUST REVERSER HALVES OPEN. DAMAGE TO EQUIPMENT CAN OCCUR.
(a) Manually deploy the thrust reverser translating sleeves to approximately 13 in. (330.2 mm) to gain access (Ref. AMM TASK 78-32-00-860-802). (3) Examine the bullnose pressure seals of the left and right translating sleeve.
(a) Look for missing segments, cracks, gouges and holes.
(b) If you find damage, replace the pressure seals (Ref. AMM TASK 78-32-42-000-803), (Ref. AMM TASK 78-32-42-400-803), (Ref. AMM TASK 78-32-72-000-803) and (Ref. AMM TASK 78-32-72-400-803) or contact UTAS for disposition.
(4) Examine the upper and lower IFS-to-bullnose seals of the left and right IFS.
(a) Look for missing segments, cracks, gouges and holes.
(b) If you find damage, replace the pressure seals (Ref. AMM TASK 78-32-42-000-803), (Ref. AMM TASK 78-32-42-400-803), (Ref. AMM TASK 78-32-72-000-803) and (Ref. AMM TASK 78-32-72-400-803) or contact UTAS for disposition.
(5) Examine the nuts that attach the IFS-to-bullnose seals to the inner fixed structure of the left and right thrust reverser.
(a) Look for corrosion, wear, cracks, gouges and missing hardware.
(b) If you find damage, replace the hardware (Ref. AMM TASK 78-32-42-000-803), (Ref. AMM TASK 78-32-42-400-803), (Ref. AMM TASK 78-32-72-000-803) and (Ref. AMM TASK 78-32-72-400-803).
(6) Manually retract the thrust reverser translating sleeves (Ref. AMM TASK 78-32-00-860-803).
B. Visually examine the pressure seals of the thrust reverser.
(1) Open the thrust reversers (Ref. AMM TASK 78-36-00-010-802).
(2) Examine the pressure seals of the left and right thrust reverser.
(a) Look for missing segments, cracks, gouges and holes.
(b) If you find damage, replace the pressure seals (Ref. AMM TASK 78-32-42-000-802), (Ref. AMM TASK 78-32-42-400-802), (Ref. AMM TASK 78-32-72-000-802) and (Ref. AMM TASK 78-32-72-400-802) or contact UTAS for disposition.
(3) Examine the nuts and bolts that attach the pressure seals to inner fixed structure of the left and right thrust reverser.
(a) Look for corrosion, wear, cracks, gouges and missing hardware.
(b) If you find damage, replace the hardware (Ref. AMM TASK 78-32-42-000-802), (Ref. AMM TASK 78-32-42-400-802), (Ref. AMM TASK 78-32-72-000-802) and (Ref. AMM TASK 78-32-72-400-802).
Subtask 78-32-00-210-081-A ** ON A/C NOT FOR ALL 5. Close-up(1) Open the thrust reversers (Ref. AMM TASK 78-36-00-010-802).
(2) Examine the pressure seals of the left and right thrust reverser.
(a) Look for missing segments, cracks, gouges and holes.
(b) If you find damage, replace the pressure seals (Ref. AMM TASK 78-32-42-000-802), (Ref. AMM TASK 78-32-42-400-802), (Ref. AMM TASK 78-32-72-000-802) and (Ref. AMM TASK 78-32-72-400-802) or contact UTAS for disposition.
(3) Examine the nuts and bolts that attach the pressure seals to inner fixed structure of the left and right thrust reverser.
(a) Look for corrosion, wear, cracks, gouges and missing hardware.
(b) If you find damage, replace the hardware (Ref. AMM TASK 78-32-42-000-802), (Ref. AMM TASK 78-32-42-400-802), (Ref. AMM TASK 78-32-72-000-802) and (Ref. AMM TASK 78-32-72-400-802).
Subtask 78-32-00-410-105-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 thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
Subtask 78-32-00-440-076-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL 462AR
B. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 78-32-00-410-106-A ** ON A/C NOT FOR ALL