General Visual Inspection of G and P Routes Installed in the Center Passenger Overhead Compartment (EWIS)

TASK 24-92-00-210-038-A
General Visual Inspection of G and P Routes Installed in the Center Passenger Overhead Compartment (EWIS)

ZONE: 243
ZONE: 244

1. Reason for the Job
Refer to the MPD TASK: 200243-04
GENERAL VISUAL INSPECTION OF G AND P ROUTES INSTALLED IN THE CENTER PASSENGER OVERHEAD 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	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	1	FLASHLIGHT
No specific	1	MIRROR - INSPECTION, FLEXIBLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
243	CENTER PASSENGER COMPT OVERHEAD COMPT
244	CENTER PASSENGER COMPT OVERHEAD COMPT

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 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-41-400-001-A	Installation of the Ceiling Panels
TASK 25-24-41-000-001-A	Removal of the Overhead Stowage Compartments (OHSC)
TASK 25-24-41-400-001-A	Installation of the Overhead Stowage Compartments (OHSC)
TASK 25-42-41-000-001-A	Removal of Lavatory H
TASK 25-42-41-400-001-A	Installation of Lavatory H
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-410-001-A	Closing of the Passenger/Crew Door
ESPM 2052110
TASK 06-41-53-00	FUSELAGE-DESCRIPTION AND OPERATION
Center Passenger Overhead-Compartment- Inspection Area - Zones 243 and 244

3. Job Set-up
Subtask 24-92-00-010-115-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 832(842).
(2) Open passenger or crew door 832(842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the furnishing at zones 241 and 242:
(a) Remove lavatory H, if installed (Ref. AMM TASK 25-42-41-000-001).
(4) Remove the Overhead Stowage Compartments (OHSC) between FR35.8 and FR47 (Ref. AMM TASK 25-24-41-000-001).
(5) Remove the applicable ceiling panels between FR35.8 and FR47 at zones 243 and 244 (Ref. AMM D/O 06-41-53-00) and (Ref. AMM TASK 25-23-41-000-001).

Subtask 24-92-00-862-103-A ** ON A/C NOT FOR ALL

B. Make sure that the aircraft electrical circuits are de-energized
(Ref. AMM TASK 24-41-00-862-002).

4. Procedure
Subtask 24-92-00-210-088-A ** ON A/C NOT FOR ALL

A. General Visual Inspection of G and P Routes Wiring Installed in the Center Passenger Overhead Compartment
(1) Do a visual inspection of the wiring to make sure that there is no signs of ageing, alteration, overheating, scaling and deformation ESPM 2052110:
(a) On the AC/DC feeder routes: 3G and 6G.
(b) On the AC/DC power-distribution routes: 1P, 2P and 3P.

NOTE: Use a FLASHLIGHT or a MIRROR - INSPECTION, FLEXIBLE if necessary.

(2) Make sure that there is no dust contamination.

5. Close-up
Subtask 24-92-00-410-113-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) Install the applicable ceiling panels between FR35.8 and FR47 at zones 243 and 244 (Ref. AMM D/O 06-41-53-00) and (Ref. AMM TASK 25-23-41-400-001).
(3) Install the OHSCs between FR35.8 and FR47 (Ref. AMM TASK 25-24-41-400-001).
(4) Install the furnishing at zones 241 and 242:
(a) Install lavatory H, if removed (Ref. AMM TASK 25-42-41-400-001).
(5) Close passenger or crew door 832(842) (Ref. AMM TASK 52-10-00-410-001).
(6) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 23:26:25 UTC