General Visual Inspection of EWIS Connections Between Seats and A/C Installed in the Center Passenger Compartment (EWIS)

TASK 24-92-00-210-037-A
General Visual Inspection of EWIS Connections Between Seats and A/C Installed in the Center Passenger Compartment (EWIS)

ZONE: 241
ZONE: 242

1. Reason for the Job
Refer to the MPD TASK: 200241-04
GENERAL VISUAL INSPECTION OF EWIS CONNECTIONS, ATTACHMENT POINTS AND ELECTRICAL CONNECTORS BETWEEN SEATS AND A/C INSTALLED IN THE CENTER PASSENGER COMPARTMENT (EWIS)

NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.

NOTE: This task is applicable only for aircraft with seats and with wiring connections between seats and aircraft.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
241	CENTER PASSENGER COMPARTMENT
242	CENTER PASSENGER COMPARTMENT

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 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
Center Passenger Compartment - Inspection Area - Zones 241-242

3. Job Set-up
Subtask 24-92-00-010-114-A

A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position.
(2) Open the aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the seat covers in zones 241 and 242, if necessary.

Subtask 24-92-00-862-102-A

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

4. Procedure
Subtask 24-92-00-210-087-A

A. General Visual Inspection of Wiring Connections Between Seats and Aircraft Installed in the Center Passenger 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.
(2) Make sure that there is no dust or lint contamination.

5. Close-up
Subtask 24-92-00-410-112-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the seat covers in zones 241 and 242, if necessary.
(3) Close the aft passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).

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