DOC AIRBUS | AMM A320FVisually Examine the Hinge Access Panel Seal and Retainer of the Left C-Duct Fixed Structure without Component Removal [IAE]
TASK 78-32-49-200-010-A
Visually Examine the Hinge Access Panel Seal and Retainer of the Left C-Duct Fixed Structure without Component Removal
1. Reason for the Job
This task gives the data for a visual inspection of the hinge access panel seal and retainer of the left C-duct fixed structure without component.
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 78-32-49-941-054-A ** ON A/C NOT FOR ALL
Subtask 78-32-49-210-054-A ** ON A/C NOT FOR ALL
Subtask 78-32-49-410-058-A ** ON A/C NOT FOR ALL Subtask 78-32-49-440-054-A ** ON A/C NOT FOR ALL Subtask 78-32-49-410-059-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:28:52 UTC
Visually Examine the Hinge Access Panel Seal and Retainer of the Left C-Duct Fixed Structure without Component Removal
1. Reason for the Job
This task gives the data for a visual inspection of the hinge access panel seal and retainer of the left C-duct fixed structure without component.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 2M (6 FT) |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 438AR, 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-00-410-010-A | Closing of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 78-30-00-040-012-A | Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance |
| TASK 78-30-00-440-012-A | Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance |
| TASK 78-31-00-710-041-A | Operational Test of the Thrust Reverser System with the CFDS |
| TASK 78-31-00-710-041-A-02 | Operational test of the Thrust Reverser without the CFDS and Engine Running |
| TASK 78-32-01-000-010-A | Removal of the Left Thrust Reverser Half - Eng No. 1 |
| TASK 78-32-01-400-010-A | Installation of the Left Thrust Reverser Half - Eng No. 1 |
| TASK 78-32-49-300-013-A | Replacement of the Hinge Access Panel Seal/Retainer - Left Thrust Reverser - VRS2119 |
Hinge Access Panel Seal and RetainerSubtask 78-32-49-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 78-32-49-010-058-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010).
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 438AR
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.
Subtask 78-32-49-040-054-A ** ON A/C NOT FOR ALL (1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010).
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 438AR
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.
C. Deactivate the Thrust Reverser.
Subtask 78-32-49-010-059-A ** ON A/C NOT FOR ALL 4. ProcedureWARNING:
MAKE SURE THAT THE THRUST REVERSER HYDRAULIC CONTROL UNIT (HCU) IS DEACTIVATED BEFORE YOU DO WORK ON OR AROUND THE THRUST REVERSER. IF THE HCU IS NOT DEACTIVATED, THERE IS A RISK OF UNWANTED THRUST REVERSER OPERATION WHICH CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(1) Deactivate the thrust reverser hydraulic control unit (HCU) (Ref. AMM TASK 78-30-00-040-012). Subtask 78-32-49-210-054-A ** ON A/C NOT FOR ALL
A. Visual Inspection:
(1) Examine the seal (1) and retainer (2).
(a) Examine the seal (1).
1 Gouges less than 0.060 in. (1.52 mm) deep, accept it.
2 Abrasions less than 0.062 in. (1.57 mm) deep, accept it.
3 Rips/tears less than 0.5 in. (12.7 mm) long, accept it.
4 Gouges more than 0.060 in. (1.52 mm) deep, repair it (Ref. AMM TASK 78-32-49-300-013).
5 Abrasions more than 0.0625 in. (1.59 mm) deep, repair it (Ref. AMM TASK 78-32-49-300-013).
6 Rips/tears more than 0.5 in. (12.7 mm) long, repair it (Ref. AMM TASK 78-32-49-300-013).
(b) Examine the retainer (2).
1 Abrasions less than 0.015 in. (0.38 mm) deep, accept it.
2 Cracks less than 0.5 in. (12.7 mm) long, accept it.
3 A maximum of one crack in a retainer, accept it.
4 Abrasions more than 0.015 in. (0.38 mm) deep, repair it (Ref. AMM TASK 78-32-49-300-013).
5 Cracks more than 0.5 in. (12.7 mm) long, repair it (Ref. AMM TASK 78-32-49-300-013).
6 More than one crack in a retainer, repair it (Ref. AMM TASK 78-32-49-300-013).
5. Close-up(1) Examine the seal (1) and retainer (2).
(a) Examine the seal (1).
1 Gouges less than 0.060 in. (1.52 mm) deep, accept it.
2 Abrasions less than 0.062 in. (1.57 mm) deep, accept it.
3 Rips/tears less than 0.5 in. (12.7 mm) long, accept it.
4 Gouges more than 0.060 in. (1.52 mm) deep, repair it (Ref. AMM TASK 78-32-49-300-013).
5 Abrasions more than 0.0625 in. (1.59 mm) deep, repair it (Ref. AMM TASK 78-32-49-300-013).
6 Rips/tears more than 0.5 in. (12.7 mm) long, repair it (Ref. AMM TASK 78-32-49-300-013).
(b) Examine the retainer (2).
1 Abrasions less than 0.015 in. (0.38 mm) deep, accept it.
2 Cracks less than 0.5 in. (12.7 mm) long, accept it.
3 A maximum of one crack in a retainer, accept it.
4 Abrasions more than 0.015 in. (0.38 mm) deep, repair it (Ref. AMM TASK 78-32-49-300-013).
5 Cracks more than 0.5 in. (12.7 mm) long, repair it (Ref. AMM TASK 78-32-49-300-013).
6 More than one crack in a retainer, repair it (Ref. AMM TASK 78-32-49-300-013).
Subtask 78-32-49-410-058-A ** ON A/C NOT FOR ALL Subtask 78-32-49-440-054-A ** ON A/C NOT FOR ALL Subtask 78-32-49-410-059-A ** ON A/C NOT FOR ALL
C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010).
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
Subtask 78-32-49-710-050-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 fan cowls (Ref. AMM TASK 71-13-00-410-010).
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
D. Operational Test
(1) Do an operational test of the thrust reverser system (Ref. AMM TASK 78-31-00-710-041).
(1) Do an operational test of the thrust reverser system (Ref. AMM TASK 78-31-00-710-041).
NOTE: As an alternative procedure, you can do the operational test without the CFDS (Ref. AMM TASK 78-31-00-710-041).