General Visual Inspection of 105VU, 106VU, 103VU, 107VU and 70VU Installed in the Lateral Avionic Compartment (EWIS)

TASK 24-92-00-210-030-A
General Visual Inspection of 105VU, 106VU, 103VU, 107VU and 70VU Installed in the Lateral Avionic Compartment (EWIS)

ZONE: 125
ZONE: 126

1. Reason for the Job
Refer to the MPD TASK: 200125-05
GENERAL VISUAL INSPECTION OF 105, 106, 103, 107 AND 70 VUS INSTALLED IN THE 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	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	AR	FLASHLIGHT
No specific	AR	MIRROR - INSPECTION, FLEXIBLE

B. Work Zones and Access Panels

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

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
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
ESPM 2052110
105VU, 106VU, 103VU, 107VU and 70VU - Location

3. Job Set-up
Subtask 24-92-00-010-095-A

A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position.
(2) Open the forward passenger/crew door 831 (Ref. AMM TASK 52-10-00-010-001).
(3) Open the access doors 812 822 (Ref. AMM TASK 52-41-00-010-002).

Subtask 24-92-00-862-083-A

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

4. Procedure
Subtask 24-92-00-210-080-A

A. General Visual Inspection of the 105VU, 106VU, 103VU, 107VU and 70VU Installed in the Lateral Avionic 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: 1G, 2G, 4G and 6G.
(b) On the AC/DC power-distribution routes: 1P, 2P and 6P.
(c) On the flight control wiring.
(d) On the engine control routes: 1S and 2S.
(e) On the others routes: 1M, 2M and 6M.
(f) On the audio route: 1R.
(g) On the coaxial cable routes: 3T and 4T.
(h) On the generator excitation routes: 1E, 2E, 3E and 6E.

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

(2) Make sure that there is no dust, lint or hydraulic contamination.

5. Close-up
Subtask 24-92-00-410-093-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the forward passenger/crew door 831 (Ref. AMM TASK 52-10-00-410-001).
(3) Close the access doors 812 822 (Ref. AMM TASK 52-41-00-410-002).
(4) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 23:26:11 UTC