DOC AIRBUS | AMM A320FGeneral Visual Inspection of Upper Forward Pylon (EWIS)
TASK 05-24-10-200-001-A
General Visual Inspection of Upper Forward Pylon (EWIS)
1. Reason for the Job
Refer to the MPD TASK: ZL-411-01
GENERAL VISUAL INSPECTION OF UPPER FORWARD PYLON (EWIS)
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 05-24-10-010-050-B ** ON A/C NOT FOR ALL
Subtask 05-24-10-210-050-A
Subtask 05-24-10-410-050-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 22:49:49 UTC
General Visual Inspection of Upper Forward Pylon (EWIS)
1. Reason for the Job
Refer to the MPD TASK: ZL-411-01
GENERAL VISUAL INSPECTION OF UPPER FORWARD PYLON (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 |
|---|---|
| 411 | PYLON LEADING EDGE |
| 413 | UPPER FWD PYLON |
| 414 | UPPER FWD PYLON |
| 421 | PYLON LEADING EDGE |
| 423 | UPPER FWD PYLON |
| 424 | UPPER FWD PYLON |
| 413AL, 413BL, 413CL, 423AL, 423BL, 423CL | |
| 413AR, 413BR, 413CR, 423AR, 423BR, 423CR, 471AL, 471AR, 481AL, 481AR | |
| 413DL, 414AR, 414BR, 414CR, 424AR, 424BR, 424CR | |
| 413EL, 414FR, 423DL, 423FL, 424ER | |
| 411AL, 413AT, 413BT, 413CT, 413ET, 421AL, 423AT, 423BT, 423CT, 423ET, 424DR | |
| 414AZ, 423AZ | |
| 413DT, 423DT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 54-52-11-000-001-A | Removal of the Pressure Relief Doors |
| TASK 54-52-11-000-002-A | Removal of the Access Panels |
| TASK 54-52-11-000-002-B | Removal of the Access Panels |
| TASK 54-52-11-000-805-A | Removal of the Access Skin Panels |
| TASK 54-52-11-400-001-A | Installation of the Pressure Relief Doors |
| TASK 54-52-11-400-002-A | Installation of the Access Panels |
| TASK 54-52-11-400-002-B | Installation of the Access Panels |
| TASK 54-52-11-400-805-A | Installation of the Access Skin Panels |
| TASK 54-53-11-000-002-A | Removal of the Pylon-to-Wing Access Panels |
| TASK 54-53-11-000-002-B | Removal of the Pylon-to-Wing Access Panels |
| TASK 54-53-11-000-804-A | Removal of the Pylon-to-Wing Access Panels and Doors |
| TASK 54-53-11-400-002-A | Installation of the Pylon-to-Wing Access Panels |
| TASK 54-53-11-400-002-B | Installation of the Pylon-to-Wing Access Panels |
| TASK 54-53-11-400-804-A | Installation of the Pylon-to-Wing Access Panels and Doors |
Subtask 05-24-10-010-050-B ** ON A/C NOT FOR ALL
A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002), (Ref. AMM TASK 54-52-11-000-001) and (Ref. AMM TASK 54-53-11-000-002):
Subtask 05-24-10-010-050-E ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 2M (6 FT) in position.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002), (Ref. AMM TASK 54-52-11-000-001) and (Ref. AMM TASK 54-53-11-000-002):
A. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) in position below the applicable zones.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002) and (Ref. AMM TASK 54-53-11-000-002):
- For the left pylon 413BL and 413BR
- For the right pylon 423BL and 423BR.
Subtask 05-24-10-010-050-G ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 2M (6 FT) in position below the applicable zones.
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-002) and (Ref. AMM TASK 54-53-11-000-002):
- For the left pylon:
Access Panels and Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL 413AL 413AR 413CL 413CR 413DT 414AZ 471AL and 471AR. Access Panels and Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL - For the right pylon: Access Panels and Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL 423AL 423AR 423AZ 423CL 423CR 423DT 481AL and 481AR. Access Panels and Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL
- For the left pylon 413BL and 413BR
- For the right pylon 423BL and 423BR.
A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position at zone 410 (420).
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-805) and (Ref. AMM TASK 54-53-11-000-804):
4. Procedure(1) Put an ACCESS PLATFORM 2M (6 FT) in position at zone 410 (420).
(2) Remove the access panels (Ref. AMM TASK 54-52-11-000-805) and (Ref. AMM TASK 54-53-11-000-804):
Subtask 05-24-10-210-050-A
A. Inspection
(1) Do a general visual inspection of the upper forward pylon (zones 411, 413, 414, 421, 423, and 424).
(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 upper forward pylon (zones 411, 413, 414, 421, 423, and 424).
(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 05-24-10-410-050-B ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-002), (Ref. AMM TASK 54-52-11-400-001) and (Ref. AMM TASK 54-53-11-400-002):
Subtask 05-24-10-410-050-E ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-002), (Ref. AMM TASK 54-52-11-400-001) and (Ref. AMM TASK 54-53-11-400-002):
- For the left pylon:
413AL 413BL 413CL,
413DL 413EL,
414AR 414AZ 414BR,
414CR 414FR. - For the right pylon:
423AL 423AZ 423BL,
423CL 423DL 423FL,
424AR 424BR,
424CR 424ER.
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the pressure relief doors:
- For the left pylon 413BL and 413BR
- For the right pylon 423BL and 423BR.
(3) Install the access panels (Ref. AMM TASK 54-52-11-400-002) and (Ref. AMM TASK 54-53-11-400-002):
Subtask 05-24-10-410-050-G ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the pressure relief doors:
- For the left pylon 413BL and 413BR
- For the right pylon 423BL and 423BR.
(3) Install the access panels (Ref. AMM TASK 54-52-11-400-002) and (Ref. AMM TASK 54-53-11-400-002):
- For the left pylon: Access Panels and Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Left Nacelle (Left Side) ** ON A/C NOT FOR ALL 413AL 413AR 413CL 413CR 413DT 414AZ 471AL and 471AR. Access Panels and Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Left Nacelle (Right Side) ** ON A/C NOT FOR ALL
- For the right pylon: Access Panels and Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Right Nacelle (Left Side) ** ON A/C NOT FOR ALL 423AL 423AR 423AZ 423CL 423CR 423DT 481AL and 481AR. Access Panels and Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL Access Panels and Doors of the Right Nacelle (Right Side) ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-805) and (Ref. AMM TASK 54-53-11-400-804):
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels (Ref. AMM TASK 54-52-11-400-805) and (Ref. AMM TASK 54-53-11-400-804):
- For the left pylon:
411AL,
413AL 413BL 413CL, 413DL,
413AT 413BT, 413CT 413DT 413ET,
414AR 414BR and 414CR. - For the right pylon:
421AL,
423AL 423BL 423CL,
423AT 423BT 423CT, 423DT 423ET,
424AR 424BR 424CR and 424DR.