DOC AIRBUS | AMM A320FGeneral Visual Inspection of the EWIS Installed in the Pylon Primary Structure (EWIS)
TASK 24-92-00-210-821-A
General Visual Inspection of the EWIS Installed in the Pylon Primary Structure (EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200415-02
GENERAL VISUAL INSPECTION OF EWIS INSTALLED IN THE PYLON PRIMARY STRUCTURE (EWIS)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 24-92-00-941-081-A
Subtask 24-92-00-210-126-A
Subtask 24-92-00-410-207-A
[Rev.10 from 2021]
2026.03.31 23:26:54 UTC
General Visual Inspection of the EWIS Installed in the Pylon Primary Structure (EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200415-02
GENERAL VISUAL INSPECTION OF EWIS INSTALLED IN THE PYLON PRIMARY STRUCTURE (EWIS)
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 |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 415 | LOWER PYLON |
| 425 | LOWER PYLON |
| 415AL, 415AR, 415BL, 415BR, 415CR, 425AL, 425AR, 425BL, 425BR, 425CR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 54-51-21-000-804-A | Removal of the Pylon Lateral Access-Doors |
| TASK 54-51-21-400-803-A | Installation of the Pylon Lateral Access-Doors |
| ESPM 2052110 | |
Access Panels of the Left PylonSubtask 24-92-00-941-081-A
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(2) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(a) Put WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(3) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 24-92-00-010-200-A (1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(2) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(a) Put WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(3) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position:
(a) For the left pylon, in zone 410
(b) For the right pylon, in zone 420.
(2) Remove the pylon lateral access-doors (Ref. AMM TASK 54-51-21-000-804):
(a) For the left pylon, 415AL 415AR 415BL 415BR 415CR
(b) For the right pylon, 425AL 425AR 425BL 425BR 425CR.
4. Procedure(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position:
(a) For the left pylon, in zone 410
(b) For the right pylon, in zone 420.
(2) Remove the pylon lateral access-doors (Ref. AMM TASK 54-51-21-000-804):
(a) For the left pylon, 415AL 415AR 415BL 415BR 415CR
(b) For the right pylon, 425AL 425AR 425BL 425BR 425CR.
Subtask 24-92-00-210-126-A
A. General Visual Inspection of the EWIS Installed in the Pylon Primary Structure
(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 engine control routes 1S and 2S
(b) On routes 1M and 2M.
1 Use a FLASHLIGHT or a MIRROR - INSPECTION, FLEXIBLE if necessary.
(2) Make sure that there is no dust, fuel leak or hydraulic contamination.
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 engine control routes 1S and 2S
(b) On routes 1M and 2M.
1 Use a FLASHLIGHT or a MIRROR - INSPECTION, FLEXIBLE if necessary.
(2) Make sure that there is no dust, fuel leak or hydraulic contamination.
Subtask 24-92-00-410-207-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the pylon lateral access-doors (Ref. AMM TASK 54-51-21-400-803):
(a) For the left pylon, 415AL 415AR 415BL 415BR 415CR
(b) For the right pylon, 425AL 425AR 425BL 425BR 425CR.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the pylon lateral access-doors (Ref. AMM TASK 54-51-21-400-803):
(a) For the left pylon, 415AL 415AR 415BL 415BR 415CR
(b) For the right pylon, 425AL 425AR 425BL 425BR 425CR.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).