W DOC AIRBUS | AMM A320F

General Visual Inspection of EWIS installed in the Wing Center Box (EWIS)

TASK 24-92-00-210-026-A
General Visual Inspection of EWIS installed in the Wing Center Box (EWIS)

ZONE: 141
ZONE: 142
1. Reason for the Job
Refer to the MPD TASK: 200141-01
GENERAL VISUAL INSPECTION OF EXPOSED EWIS INSTALLED IN THE WING CENTRE BOX (EWIS)
NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
FLASHLIGHT
No specific
AR
MIRROR - INSPECTION, FLEXIBLE
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
141
WING CENTER BOX
142
WING CENTER BOX
147AZ, 148AZ
 C. Referenced Information
REFERENCE
DESIGNATION
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 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A
Close the Main Gear Doors after Access
TASK 57-17-11-000-001-A
Removal of Access Cover 147AZ(148AZ)
TASK 57-17-11-000-001-B
Removal of Access Cover 148AZ or/and the ACT-Equipment Support Door
TASK 57-17-11-400-001-A
Installation of Access Cover 147AZ(148AZ)
TASK 57-17-11-400-001-B
Installation of Access Cover 148AZ or/and the ACT-Equipment Support-Door
ESPM 2052110
F Wing Center Box - Access - Zones 141-142
3. Job Set-up
Subtask 24-92-00-010-086-A
A. Get Access
   (1) Open the main gear doors for access (Ref. AMM TASK 32-12-00-010-001).
   (2) Put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
   (3) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
   (4) Remove the access panels from the wing center box (Ref. AMM TASK 57-17-11-000-001):
Subtask 24-92-00-862-074-A
B. Make sure that the aircraft electrical circuits are de-energized
(Ref. AMM TASK 24-41-00-862-002).
4. Procedure
Subtask 24-92-00-210-076-A
A. Inspection of All Exposed Wiring Installed in the Wing Center Box
   (1) Do a visual inspection of the wiring to make sure that there are no signs of ageing, alteration, overheating, scaling and deformation ESPM 2052110:
     (a) On the fuel quantity indication routes: 4S and 5S.
NOTE: Use a FLASHLIGHT or a MIRROR - INSPECTION, FLEXIBLE if necessary.
5. Close-up
Subtask 24-92-00-410-084-A
A. Close Access
   (1) Install the access panels on the wing center box (Ref. AMM TASK 57-17-11-400-001):
   (2) Close the main gear doors after access (Ref. AMM TASK 32-12-00-410-001).
   (3) Remove the access platform(s).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.03.31 23:26:06 UTC
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