DOC AIRBUS | AMM A320FGeneral Visual Inspection of Exposed EWIS Within the Wing Fuel Tank (EWIS)
TASK 24-92-00-210-801-A
General Visual Inspection of Exposed EWIS Within the Wing Fuel Tank (EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200540-02
GENERAL VISUAL INSPECTION OF EXPOSED EWIS WITHIN THE WING FUEL TANK (EWIS)
Refer to the MPD TASK: 200540-03
GENERAL VISUAL INSPECTION OF EXPOSED EWIS WITHIN THE WING FUEL TANK (EWIS)
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 24-92-00-941-058-A
Subtask 24-92-00-210-099-A
Subtask 24-92-00-410-133-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:26:36 UTC
General Visual Inspection of Exposed EWIS Within the Wing Fuel Tank (EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200540-02
GENERAL VISUAL INSPECTION OF EXPOSED EWIS WITHIN THE WING FUEL TANK (EWIS)
Refer to the MPD TASK: 200540-03
GENERAL VISUAL INSPECTION OF EXPOSED EWIS WITHIN THE WING FUEL TANK (EWIS)
NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 5M (16 FT) |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 540 | FUEL TANK |
| 640 | FUEL TANK |
| 540AB, 540AZ, 540BB, 540BZ, 540CB, 540DB, 540EB, 540FB, 540GB, 540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 640AB, 640AZ, 640BB, 640BZ, 640CB, 640DB, 640EB, 640FB, 640GB, 640HB, 640JB, 640KB, 640LB, 640MB, 640NB, 640PB, 640QB, 640RB | |
| 521AZ, 521BZ, 621AZ, 621BZ |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-11-28-650-003-A | Pressure Refuel with Automatic Control |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 28-10-00-910-001-A | Safety Procedures When You Do Work in a Fuel Tank |
| TASK 28-10-00-910-002-A | Access to the Fuel Tanks and the Work Areas |
| TASK 28-25-00-650-001-A | Pressure Defuel |
| TASK 28-25-00-650-003-A | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 28-25-00-650-003-A-01 | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 28-25-00-869-001-A | Fuel Transfer |
| TASK 57-27-11-000-001-A | Removal of the Access Panel |
| TASK 57-27-11-000-002-A | Removal of the Access Panel |
| TASK 57-27-11-000-005-A | Removal of the Access Panel |
| TASK 57-27-11-400-001-A | Installation of the Access Panel |
| TASK 57-27-11-400-002-A | Installation of the Access Panel |
| TASK 57-27-11-400-005-A | Installation of the Access Panel |
| TASK 57-27-11-400-005-D | Installation of the Access Panel |
| TASK 57-27-11-400-005-E | Installation of the Access Panel |
| TASK 57-27-12-000-002-A | Removal of the Rib 2 Access Panel 540AZ(640AZ) or 540BZ(640BZ) |
| TASK 57-27-12-400-002-A | Installation of the Rib 2 Access Panel 540AZ (640AZ) or 540BZ (640BZ) |
| ESPM 2052110 | |
Wing Fuel Tank - Access Panels - Zone 540Subtask 24-92-00-941-058-A
A. Safety Precautions
(3) Put WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the flaps or slats.
Subtask 24-92-00-650-050-A WARNING:
BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.NOTE: You must obey the fuel safety procedures (Ref. AMM TASK 28-10-00-910-001) and (Ref. AMM TASK 28-10-00-910-002) when you do work in a fuel tank.
(2) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever. (3) Put WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the flaps or slats.
B. Fuel Configuration
(1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
Subtask 24-92-00-010-135-A ** ON A/C NOT FOR ALL (1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
C. Get Access
(1) Put an adjustable ACCESS PLATFORM 5M (16 FT) in position at the zones 540 and 640.
(2) Open the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 57-27-11-000-005):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-010-135-C ** ON A/C NOT FOR ALL (1) Put an adjustable ACCESS PLATFORM 5M (16 FT) in position at the zones 540 and 640.
(2) Open the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 57-27-11-000-005):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
C. Get Access
(1) Put an adjustable ACCESS PLATFORM 5M (16 FT) in position at the zones 540 and 640.
(2) Open the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-000-001):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-010-135-D ** ON A/C NOT FOR ALL (1) Put an adjustable ACCESS PLATFORM 5M (16 FT) in position at the zones 540 and 640.
(2) Open the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-000-001):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
C. Get Access
(1) Put the adjustable ACCESS PLATFORM 5M (16 FT) in position at zones 540 and 640.
(2) Remove the rib 2 access panels (Ref. AMM TASK 57-27-12-000-002):
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 57-27-11-000-005):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-010-135-E ** ON A/C NOT FOR ALL (1) Put the adjustable ACCESS PLATFORM 5M (16 FT) in position at zones 540 and 640.
(2) Remove the rib 2 access panels (Ref. AMM TASK 57-27-12-000-002):
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 57-27-11-000-005):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
C. Get Access
(1) Put the adjustable ACCESS PLATFORM 5M (16 FT) in position at zones 540 and 640.
(2) Remove the rib 2 access panels (Ref. AMM TASK 57-27-12-000-002):
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-000-001):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-862-123-A (1) Put the adjustable ACCESS PLATFORM 5M (16 FT) in position at zones 540 and 640.
(2) Remove the rib 2 access panels (Ref. AMM TASK 57-27-12-000-002):
(a) For the left wing:
(b) For the right wing:
(3) Remove the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-000-001):
(a) For the left wing:
(b) For the right wing:
(4) Remove the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-000-002):
(a) For the left wing:
(b) For the right wing:
D. Make sure that the aircraft electrical circuits are de-energized
(Ref. AMM TASK 24-41-00-862-002).
4. Procedure(Ref. AMM TASK 24-41-00-862-002).
Subtask 24-92-00-210-099-A
A. General Visual Inspection of All Exposed Wiring Within the Wing Fuel Tank
(1) Do a visual inspection of the wiring to make sure that there is no signs of ageing, alteration, overheating, scaling and deformation ESPM 2052110:
(a) On sensitive routes: 1S and 2S and fuel quantity probes.
5. Close-up(1) Do a visual inspection of the wiring to make sure that there is no signs of ageing, alteration, overheating, scaling and deformation ESPM 2052110:
(a) On sensitive routes: 1S and 2S and fuel quantity probes.
Subtask 24-92-00-410-133-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Close the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-400-001) and (Ref. AMM TASK 57-27-11-400-005):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-410-133-C ** ON A/C NOT FOR ALL (1) Close the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-400-001) and (Ref. AMM TASK 57-27-11-400-005):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
A. Close Access
(1) Close the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-400-001):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-410-133-D ** ON A/C NOT FOR ALL (1) Close the RIB2 surge doors:
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between RIB2 to RIB13 (Ref. AMM TASK 57-27-11-400-001):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between RIB13 to RIB22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
A. Close Access
(1) Install the rib 2 access panels (Ref. AMM TASK 57-27-12-400-002):
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-400-001) and (Ref. AMM TASK 57-27-11-400-005):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-410-133-E ** ON A/C NOT FOR ALL (1) Install the rib 2 access panels (Ref. AMM TASK 57-27-12-400-002):
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-400-001) and (Ref. AMM TASK 57-27-11-400-005):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
A. Close Access
(1) Install the rib 2 access panels (Ref. AMM TASK 57-27-12-400-002):
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-400-001):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
Subtask 24-92-00-650-052-A (1) Install the rib 2 access panels (Ref. AMM TASK 57-27-12-400-002):
(a) For the left wing:
(b) For the right wing:
(2) Install the access panels between rib 2 and rib 13 (Ref. AMM TASK 57-27-11-400-001):
(a) For the left wing:
(b) For the right wing:
(3) Install the access panels between rib 13 and rib 22 (Ref. AMM TASK 57-27-11-400-002):
(a) For the left wing:
(b) For the right wing:
B. Fuel Configuration
(1) Refuel, defuel or transfer fuel as necessary (Ref. AMM TASK 12-11-28-650-003), (Ref. AMM TASK 28-25-00-650-001), (Ref. AMM TASK 28-25-00-869-001).
Subtask 24-92-00-942-056-A (1) Refuel, defuel or transfer fuel as necessary (Ref. AMM TASK 12-11-28-650-003), (Ref. AMM TASK 28-25-00-650-001), (Ref. AMM TASK 28-25-00-869-001).
C. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(3) Remove the safety barriers.
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(3) Remove the safety barriers.
(4) Remove the access platform(s).
(5) Remove the WARNING NOTICE(S).