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)

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

ZONE: 191
ZONE: 192

1. Reason for the Job
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

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
191	AIR CONDITIONING COMPT AND FAIRINGS
192	AIR CONDITIONING COMPT AND FAIRINGS

C. Referenced Information

REFERENCE	DESIGNATION
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
Forward Belly Fairing Panels - Typical Installation

3. Job Set-up
Subtask 53-25-11-865-054-A

A. Open, safety and tag this(these) circuit breaker(s):

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

Subtask 53-25-11-010-050-A

B. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zones 191 and 192.

4. Procedure
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 - Right Access Panels ** ON A/C NOT FOR ALL

Forward Belly Fairing Panels - Typical Installation

(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.

[Rev.10 from 2021] 2026.04.01 01:53:42 UTC