General Visual Inspection of Lateral Avionic Compartment (EWIS)

TASK 05-21-20-200-008-A
General Visual Inspection of Lateral Avionic Compartment (EWIS)

ZONE: 125
ZONE: 126

1. Reason for the Job
Refer to the MPD TASK: ZL-125-02
GENERAL VISUAL INSPECTION OF LATERAL AVIONIC COMPARTMENT (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 3M (10 FT)- ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
125	LATERAL AVIONIC COMPARTMENT
126	LATERAL AVIONIC COMPARTMENT
812, 822, 824

C. Referenced Information

REFERENCE	DESIGNATION
Access Doors of the Avionics Compartment (Left Side)

3. Job Set-up
Subtask 05-21-20-010-057-A

A. Get Access
(1) For zones 125 and 126:
(a) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at zones 125 and 126.
(b) Open access doors 812, 822 and 824.

Access Doors of the Avionics Compartment (Left Side)

4. Procedure
Subtask 05-21-20-210-057-A

A. Inspection
(1) Do a general visual inspection of the lateral avionic compartment.
(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.

NOTE: Lift the insulation blankets sufficiently to complete a correct general visual inspection as necessary.

5. Close-up
Subtask 05-21-20-410-057-A

A. Close Access
(1) For zones 125 and 126:
(a) Close access doors 812, 822 and 824.
(b) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:48:31 UTC