Removal of the Forward Belly Fairing Panels (191AT, 192AT, 191AB, 192AB)
TASK 53-25-11-000-001-A
Removal of the Forward Belly Fairing Panels (191AT, 192AT, 191AB, 192AB)
Self explanatory
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 53-25-11-865-054-A
Subtask 53-25-11-020-051-A
[Rev.10 from 2021]
2026.04.01 03:47:33 UTC
Removal of the Forward Belly Fairing Panels (191AT, 192AT, 191AB, 192AB)
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
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 | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 191 | AIR CONDITIONING COMPT AND FAIRINGS |
| 192 | AIR CONDITIONING COMPT AND FAIRINGS |
| REFERENCE | DESIGNATION |
|---|---|
Subtask 53-25-11-865-054-A
A. Open, safety and tag this(these) circuit breaker(s):
Subtask 53-25-11-010-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | AIR COND/RAM/AIR/INLET | 1HZ | D10 |
| 106VU | CSM/G /EV/MAN/SPLY | 6XE | B04 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/115VAC | 21HH | W22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/2/28VDC | 23HH | W21 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/115VAC | 1HH | X22 |
| 122VU | AIR COND/PACK TEMP/CTL SYS1/1/28VDC | 3HH | X21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/28VDC | 24HH | Y21 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/2/115VAC | 22HH | Y20 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/28VDC | 4HH | Y19 |
| 122VU | AIR COND/PACK TEMP CTL SYS2/1/115VAC | 2HH | Y18 |
B. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zones 191 and 192.
4. Procedure(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zones 191 and 192.
Subtask 53-25-11-020-051-A
A. Removal of the Forward Belly Fairing Panels
Fairing - Left Access Panels ** ON A/C NOT FOR ALL
Fairing - Left Access Panels ** ON A/C NOT FOR ALL
Fairing - Right Access Panels ** ON A/C NOT FOR ALL
Fairing - Right Access Panels ** ON A/C NOT FOR ALL
(1) Hold the fairing you want to remove. Remove the screws (1) and the washers (2) and keep them.
(2) Identify and mark the position of the screws (1).
(3) Remove the panel.
Fairing - Left Access Panels ** ON A/C NOT FOR ALL
Fairing - Left Access Panels ** ON A/C NOT FOR ALL
Fairing - Right Access Panels ** ON A/C NOT FOR ALL
Fairing - Right Access Panels ** ON A/C NOT FOR ALL (2) Identify and mark the position of the screws (1).
(3) Remove the panel.