GENERAL VISUAL INSPECTION OF REAR AVIONICS COMPARTMENT (EWIS)

TASK 05-21-20-200-005-A
GENERAL VISUAL INSPECTION OF REAR AVIONICS COMPARTMENT (EWIS)

ZONE: 127
ZONE: 128

1. Reason for the Job
Refer to the MPD TASK: ZL-127-01

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 3M (10 FT)- ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
127	REAR AVIONIC COMPARTMENT
128	REAR AVIONIC COMPARTMENT
824

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access

3. Job Set-up
Subtask 05-21-20-010-054-A

A. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at zone 127.
(2) Open the access door 824 (Ref. AMM TASK 52-41-00-010-002).

4. Procedure
Subtask 05-21-20-210-054-A

A. Inspection
(1) Do a general visual inspection of the aft avionic compartment (Zones 127 and 128).
(2) Make sure that there are no signs of corrosion, cracks or damage.
(3) Make sure that all the installations (wiring, ducting, piping) are attached correctly.

5. Close-up
Subtask 05-21-20-410-054-A

A. Close Access
(1) Close the access door 824 (Ref. AMM TASK 52-41-00-410-002).
(2) Remove the access platform(s).

[Rev.8 from Aug 2017] 2026.03.31 22:48:37 UTC