GENERAL VISUAL INSPECTION OF MLG-WELL AND HYDRAULIC COMPARTMENT (EWIS)

TASK 05-21-40-200-004-A
GENERAL VISUAL INSPECTION OF MLG-WELL AND HYDRAULIC COMPARTMENT (EWIS)

ZONE: 147
ZONE: 148

1. Reason for the Job
Refer to the MPD TASK: ZL-147-02
GENERAL VISUAL INSPECTION OF MLG-WELL AND HYDRAULIC 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 2M (6 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
147	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
148	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
734, 744

C. Referenced Information

REFERENCE	DESIGNATION
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

3. Job Set-up
Subtask 05-21-40-010-053-A

A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position at zones 147 and 148.
(2) Open the main landing gear doors
734 744 (Ref. AMM TASK 32-12-00-010-001).

4. Procedure
Subtask 05-21-40-210-053-A

A. Inspection
(1) Do a general visual inspection of the Main Landing Gear (MLG) well and the hydraulic compartment (Zones 147 and 148).
(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 05-21-40-410-053-A

A. Close Access
(1) Close the main landing gear doors
734 744 (Ref. AMM TASK 32-12-00-410-001).
(2) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:48:47 UTC