DOC AIRBUS | AMM A320FGENERAL VISUAL INSPECTION OF FAN AND ACCESSORY GEAR BOX (EWIS)
TASK 05-24-30-200-002-A
GENERAL VISUAL INSPECTION OF FAN AND ACCESSORY GEAR BOX (EWIS)
1. Reason for the Job
Refer to the MPD TASK: ZL-435-01
GENERAL VISUAL INSPECTION OF FAN AND ACCESSORY GEAR BOX (EWIS)
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 05-24-30-010-051-B ** ON A/C NOT FOR ALL
Subtask 05-24-30-210-051-A ** ON A/C NOT FOR ALL
Subtask 05-24-30-410-051-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 22:49:53 UTC
GENERAL VISUAL INSPECTION OF FAN AND ACCESSORY GEAR BOX (EWIS)
1. Reason for the Job
Refer to the MPD TASK: ZL-435-01
GENERAL VISUAL INSPECTION OF FAN AND ACCESSORY GEAR BOX (EWIS)
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 | AR | ACCESS PLATFORM 2M (6 FT) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 435 | FAN AND ACCESSORY GEARBOX |
| 436 | FAN AND ACCESSORY GEARBOX |
| 445 | FAN AND ACCESSORY GEARBOX |
| 446 | FAN AND ACCESSORY GEARBOX |
| 437AL, 438AR, 447AL, 448AR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-010-A | Closing of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-00-410-040-A | Closing of the Fan Cowl Doors |
| TASK 71-13-00-410-040-B | Closing of the Fan Cowl Doors |
Access Doors of the Left Nacelle (Left Side)Subtask 05-24-30-010-051-B ** ON A/C NOT FOR ALL
A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position at zones 435 and 445.
(2) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
437AL 438AR,
447AL 448AR.
Subtask 05-24-30-010-051-C ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 2M (6 FT) in position at zones 435 and 445.
(2) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
437AL 438AR,
447AL 448AR.
A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position at zones 435 and 445.
(2) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-010)
437AL 438AR,
447AL 448AR.
4. Procedure(1) Put an ACCESS PLATFORM 2M (6 FT) in position at zones 435 and 445.
(2) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-010)
437AL 438AR,
447AL 448AR.
Subtask 05-24-30-210-051-A ** ON A/C NOT FOR ALL
A. Inspection
(1) Do a general visual inspection of the area of the fan case and the accessory gearbox.
(2) Make sure that there are no signs of corrosion, cracks or damage.
(3) Make sure that all the installations (wiring, ducting, piping) are correctly attached.
5. Close-up(1) Do a general visual inspection of the area of the fan case and the accessory gearbox.
(2) Make sure that there are no signs of corrosion, cracks or damage.
(3) Make sure that all the installations (wiring, ducting, piping) are correctly attached.
Subtask 05-24-30-410-051-B ** ON A/C NOT FOR ALL
A. Close Access
(1) Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-040)
437AL 438AR,
447AL 448AR.
(2) Remove the access platform(s).
Subtask 05-24-30-410-051-C ** ON A/C NOT FOR ALL (1) Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-040)
437AL 438AR,
447AL 448AR.
(2) Remove the access platform(s).
A. Close Access
(1) Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-010)
437AL 438AR,
447AL 448AR.
(2) Remove the access platform(s).
(1) Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-010)
437AL 438AR,
447AL 448AR.
(2) Remove the access platform(s).