Removal of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)

TASK 25-23-47-000-002-A
Removal of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-21-41-000-001-A	Removal of the Passenger Seats
TASK 33-51-13-000-001-A	Removal of the Cabin Wall-Mounted Emergency-Exit-Markers
TASK 33-51-16-000-001-A	Removal of the Emergency Exit Sign
TASK 52-21-11-000-001-A	Removal of the Emergency Exit Hatch
Upper Sidewall Panel Assy 241CW (242CW) and 241LW (242LW) ** ON A/C NOT FOR ALL
Upper Sidewall Panel Assy 241FW (242FW) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-23-47-861-069-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 25-23-47-865-051-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	2WL	H06
49VU	LIGHTING/EMER LT/CABIN	1WL	H05
122VU	LIGHTING/CABIN/EMER/LT	3WL	V07

4. Procedure
Subtask 25-23-47-010-050-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Remove the related emergency exit hatch (Ref. AMM TASK 52-21-11-000-001).
(2) Make sure that the switch 4WL on the panel 25VU is in the OFF position.
(3) Make sure that the switch LIGHT EMER on the panel 120RH is in the OFF position.
(4) Put the WARNING NOTICE(S) on the panels 25VU and 120RH to tell persons not to operate the switches 4WL and LIGHT EMER.
(5) Remove the related passenger seat, if necessary (Ref. AMM TASK 25-21-41-000-001).
(6) Remove the wall-mounted emergency exit-markers (Ref. AMM TASK 33-51-13-000-001).
(7) Remove the emergency exit sign 42WL (43WL) (Ref. AMM TASK 33-51-16-000-001).

Subtask 25-23-47-020-051-A ** ON A/C NOT FOR ALL

B. Remove the Upper Sidewall Panel Assembly 241CW, (242CW) and/or 241LW, (242LW)

Upper Sidewall Panel Assy 241CW (242CW) and 241LW (242LW) ** ON A/C NOT FOR ALL

NOTE: The removal procedure for the left and the right upper sidewall panel assembly (referred to as the assembly) is the same.

(1) Remove the screws (1), the washers (2) and the supports (3).
(2) Temporarily attach the supports (3) to the aircraft structure.
(3) Push the clips in the five holes of the decor cover (12) to release the decor cover (12).
(4) Remove the decor cover (12).
(5) Remove the inner window pane (11).
(6) Pull the lining strip (8) and/or (15) down and remove it.
(7) Pull the lining strip (13) up and remove it.
(8) Remove the cabin wall-mounted emergency-exit-markers (Ref. AMM TASK 33-51-13-000-001).
(9) Remove the screws (4) and the washers (5).
(10) Remove the screws (10) and the washers (9).
(11) Lift the assembly 241CW, (242CW) (6) and/or 241LW (242LW) (14) to release it from the brackets (7) and from the yo-yo rollers.
(12) Remove the assembly 241CW, (242CW) (6) and/or 241LW (242LW) (14).

Subtask 25-23-47-020-051-B ** ON A/C NOT FOR ALL

B. Remove the Upper Sidewall Panel Assy 241FW, (242FW) (6)

Upper Sidewall Panel Assy 241FW (242FW) ** ON A/C NOT FOR ALL

(1) Remove the screws (1) and the washers (2) that attach the support (3) to the upper sidewall panel 241FW, (242FW) (6)
(2) Temporarily attach the support (3) to the aircraft structure.
(3) Pull the lining strip(s) (7), (8) down and remove it.
(4) Remove the wall-mounted emergency exit markers (Ref. AMM TASK 33-51-13-000-001)
(5) Remove the screws (4) and the washers (5).
(6) Lift the upper sidewall panel assy 241FW (242FW) (6) to release it from the brackets (9) and from the yo-yo rolls and remove it.

[Rev.10 from 2021] 2026.03.31 23:31:37 UTC