W DOC AIRBUS | AMM A320F

General Visual Inspection of Core Compartment (EWIS)

TASK 05-24-50-210-801-A
General Visual Inspection of Core Compartment (EWIS)

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
ZONE: 453
ZONE: 454
ZONE: 463
ZONE: 464
1. Reason for the Job
Refer to the MPD TASK: ZL-453-02
GENERAL VISUAL INSPECTION OF CORE COMPARTMENT (EWIS)
NOTE: This task can contribute to fuel savings.
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
1
ACCESS PLATFORM 2M (6 FT)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
453
HOT SECTION
454
HOT SECTION
463
HOT SECTION
464
HOT SECTION
437AL, 438AR, 447AL, 448AR, 451AL, 452AR, 461AL, 462AR
 C. Referenced Information
REFERENCE
DESIGNATION
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 78-36-00-010-802-A
Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A
Closing of the Thrust Reverser Cowl-Doors
F Access Doors of the Left Nacelle (Left Side)
F Access Doors of the Left Nacelle (Right Side)
F Access Doors of the Right Nacelle (Left Side)
F Access Doors of the Right Nacelle (Right Side)
F Core Compartment
3. Job Set-up
Subtask 05-24-50-010-052-A ** ON A/C NOT FOR ALL
A. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) in position at the applicable zones 453, 454, 463 and 464.
   (2) Open fan cowl doors 437AL, 438AR, 447AL and 448AR (Ref. AMM TASK 71-13-00-010-802).
F Access Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL
   (3) Open thrust reverser cowl-doors 451AL, 452AR, 461AL and 462AR (Ref. AMM TASK 78-36-00-010-802).
F Access Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL
4. Procedure
Subtask 05-24-50-210-054-A ** ON A/C NOT FOR ALL
A. Inspection
F Core Compartment ** ON A/C NOT FOR ALL
   (1) Do a general visual inspection of the core compartment (zones 453, 454, 463 and 464).
   (2) Make sure that:
  • There is no damage (corrosion, leaks or cracks) on all the parts of the components and the structure that you can see
  • All the installations (wiring, piping, ducting) are correctly attached.
5. Close-up
Subtask 05-24-50-410-052-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 thrust reverser cowl-doors 451AL, 452AR, 461AL and 462AR (Ref. AMM TASK 78-36-00-410-802).
F Access Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL
   (3) Close fan cowl doors 437AL, 438AR, 447AL and 448AR (Ref. AMM TASK 71-13-00-410-802).
F Access Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL
F Access Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL
   (4) Remove the access platform(s).
   (5) Remove all the fixtures, tools, test and support equipment used during this procedure.
[Rev.10 from 2021] 2026.04.01 04:53:57 UTC
"Aviabrain" 2025