DOC AIRBUS | AMM A320FGeneral Visual Inspection of EWIS Installed in the Rear Avionic Compartment (EWIS)
TASK 24-92-00-210-033-A
General Visual Inspection of EWIS Installed in the Rear Avionic Compartment (EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200127-04
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 24-92-00-010-107-B
Subtask 24-92-00-210-083-B
Subtask 24-92-00-410-105-B
[Rev.8 from Aug 2017]
2026.03.31 23:26:56 UTC
General Visual Inspection of EWIS Installed in the Rear Avionic Compartment (EWIS)
1. Reason for the Job
NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.
2. Job Set-up InformationA. 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 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 127 | REAR AVIONIC COMPARTMENT |
| 128 | REAR AVIONIC COMPARTMENT |
| 824, 825 |
| 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 |
| TASK 53-12-13-000-001-A | Removal of the avionics compartment floor panels |
| TASK 53-12-13-400-001-A | Installation of the avionics compartment floor panels |
| ESPM 2052110 | |
| TASK 06-41-53-00 | FUSELAGE - DESCRIPTION AND OPERATION |
Rear Avionic CompartmentSubtask 24-92-00-010-107-B
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 aft avionic-compartment floor-panels between FR21 and FR24 (Ref. AMM TASK 53-12-13-000-001), (Ref. AMM D/O 06-41-53-00).
(5) 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 24-92-00-862-095-B (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 aft avionic-compartment floor-panels between FR21 and FR24 (Ref. AMM TASK 53-12-13-000-001), (Ref. AMM D/O 06-41-53-00).
(5) 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).
B. Make sure that the aircraft electrical circuits are de-energized
(Ref. AMM TASK 24-41-00-862-002).
4. Procedure(Ref. AMM TASK 24-41-00-862-002).
Subtask 24-92-00-210-083-B
A. General Visual Inspection of All Wiring 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.
5. Close-up(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. Subtask 24-92-00-410-105-B
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the aft avionic-compartment floor-panels between FR21 and FR24 (Ref. AMM TASK 53-12-13-400-001), (Ref. AMM D/O 06-41-53-00).
(3) 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).
(4) Close the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002) or (Ref. AMM TASK 52-30-00-860-004).
(5) Close the access door 824 (Ref. AMM TASK 52-41-00-410-002).
(6) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the aft avionic-compartment floor-panels between FR21 and FR24 (Ref. AMM TASK 53-12-13-400-001), (Ref. AMM D/O 06-41-53-00).
(3) 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).
(4) Close the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002) or (Ref. AMM TASK 52-30-00-860-004).
(5) Close the access door 824 (Ref. AMM TASK 52-41-00-410-002).
(6) Remove the access platform(s).