General Visual Inspection of 63VU, 80VU, 187VU and 188VU Installed in the Rear Avionic Compartment (EWIS)

TASK 24-92-00-210-034-A
General Visual Inspection of 63VU, 80VU, 187VU and 188VU Installed in the Rear Avionic Compartment (EWIS)

ZONE: 127
ZONE: 128

1. Reason for the Job
Refer to the MPD TASK: 200127-05
GENERAL VISUAL INSPECTION OF 80, 63, 187, 188 VU INSTALLED IN THE REAR 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 2M (6 FT) - ADJUSTABLE
No specific	AR	FLASHLIGHT
No specific	AR	MIRROR - INSPECTION, FLEXIBLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
127	REAR AVIONIC COMPARTMENT
128	REAR AVIONIC COMPARTMENT
824, 825

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 25-54-11-000-001-A	Removal of the Forward Cargo-Compartment Partition FR24A
TASK 25-54-11-400-001-A	Installation of the Forward Cargo-Compartment Partition FR24A
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-003-A	Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
TASK 52-30-00-860-004-A	Close the FWD or Aft Cargo-Compartment Door with the Hand Pump
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
TASK 06-41-53-00	FUSELAGE-DESCRIPTION AND OPERATION
63VU, 80VU, 187VU and 188VU - Location

3. Job Set-up
Subtask 24-92-00-010-110-A

A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(2) Open the access door 824 (Ref. AMM TASK 52-41-00-010-002).
(3) Open the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
(4) Remove the forward cargo-compartment partition-panels at FR24A (Ref. AMM TASK 25-54-11-000-001), (Ref. AMM D/O 06-41-53-00).

Subtask 24-92-00-862-098-A

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

4. Procedure
Subtask 24-92-00-210-084-A

A. General Visual Inspection of 63VU, 80VU, 187VU and 188VU Installed in the Rear 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 and 2G.
(b) On the AC/DC power-distribution routes: 1P and 2P.
(c) On the flight control wiring.
(d) On the engine control routes: 1S and 2S.
(e) On the other routes: 1M and 2M.
(f) On the audio route: 1R.
(g) On the coaxial wiring routes: 3T and 4T.
(h) On the generator excitation routes: 1E and 2E.

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 24-92-00-410-108-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the forward cargo-compartment partition-panels at FR24A (Ref. AMM TASK 25-54-11-400-001), (Ref. AMM D/O 06-41-53-00).
(3) Close the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002) or (Ref. AMM TASK 52-30-00-860-004).
(4) Close the access door 824 (Ref. AMM TASK 52-41-00-410-002).
(5) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 23:26:18 UTC