Removal of the Ceiling Panels - Forward Utility Area

TASK 25-23-42-000-001-A
Removal of the Ceiling Panels - Forward Utility Area

1. Reason for the Job

NOTE: More than one person is necessary for this task.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
221AC, 221BC, 222BC

C. Referenced Information

REFERENCE	DESIGNATION
TASK 23-72-51-000-001-A	Removal of the Anti-Hijack-System Cameras
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Ceiling Panels Forward Utility Area ** ON A/C NOT FOR ALL
Ceiling-Panels Forward Utility-Area ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-23-42-861-050-A

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

Subtask 25-23-42-010-058-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Remove the cameras (Ref. AMM TASK 23-72-51-000-001).

Subtask 25-23-42-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU B/ESS	153RH	G03
49VU	LIGHTING/EMER LT/CABIN	2WL	H06
49VU	LIGHTING/EMER LT/CABIN	1WL	H05
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	2WL	H04
49VU	LIGHTING/EMER LT/CABIN	1WL	H03
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M08
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M09
** ON A/C NOT FOR ALL
121VU	COM/CIDS/DEU B/BAT	143RH	N12
** ON A/C NOT FOR ALL
2000VU	LAV FWD-OCCUPIED	1WJ	F01
** ON A/C ALL
2000VU	LIGHT-CABIN-ENTRY	308LG	J02
** ON A/C NOT FOR ALL
2000VU	LAV FWD & MID-OCCUPIED	1WJ	F01

4. Procedure
Subtask 25-23-42-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Ceiling Panel (1)

Ceiling Panels Forward Utility Area ** ON A/C NOT FOR ALL

(1) Hold the panel (1) in position and release the quick-release fasteners (15).
(2) Carefully remove the panel (1).

Subtask 25-23-42-020-052-A ** ON A/C NOT FOR ALL

B. Removal of the Ceiling Panel(s) (2) and/or (3)

Ceiling Panels Forward Utility Area ** ON A/C NOT FOR ALL

(1) Be careful when you remove the ceiling panel(s) (2) and/or (3), because other furnishings decrease the available work area.
(2) Remove the assembly seal (13) from the mounting rail (14).
(3) Hold the panel(s) (2) and/or (3) in position and release the quick-release fasteners (15).
(4) Carefully remove the panel(s) (2) and/or (3).

Subtask 25-23-42-020-053-A ** ON A/C NOT FOR ALL

C. Removal of the Ceiling Panel(s) (4) and/or (7)

Ceiling Panels Forward Utility Area ** ON A/C NOT FOR ALL

(1) Remove the assembly seal (13) from the mounting rail (14).
(2) Carefully move the ceiling panel(s) (4) and/or (7) inboard and off the mounting rail (14).
(3) Lower the inboard edge(s) of the ceiling panel(s) (4) and/or (7) and pull the outboard edge(s) out of the mounting bracket.
(4) Carefully remove the ceiling panel(s) (4) and/or (7).

Subtask 25-23-42-020-060-A ** ON A/C NOT FOR ALL

D. Removal of the Ceiling Panel (5) and the Trim Panel (6)

Ceiling Panels Forward Utility Area ** ON A/C NOT FOR ALL

(1) Remove the assembly seal (13) from the mounting rail (14).
(2) Carefully remove the ceiling panel (5) from the mounting rail (14).
(3) Do the next steps through the openings where the ceiling panels (4), (7) and (5) were installed:
(a) Disconnect the electric connector (8).
(b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(c) Hold the trim panel (6) and remove the nuts (11), the bolts (9) and the washers (10).
(4) Carefully remove the trim panel (6) from the mounting structure (12).

Subtask 25-23-42-020-050-B ** ON A/C NOT FOR ALL

E. Removal of the Ceiling Panel (1)

Ceiling-Panels Forward Utility-Area ** ON A/C NOT FOR ALL

(1) Remove the caps (10).
(2) Hold ceiling panel 221AC (1) and release the quick-release fasteners (9).
(3) Carefully remove ceiling panel 221AC (1).

Subtask 25-23-42-020-052-B ** ON A/C NOT FOR ALL

F. Removal of the Ceiling Panels (2) and (6)

Ceiling-Panels Forward Utility-Area ** ON A/C NOT FOR ALL

(1) Be careful when you remove ceiling panels 221BC (2) and 222BC (6) because other furnishings decrease the available work area.
(2) Remove the section hose (7) from the mounting rails (8).
(3) Hold ceiling panels 221BC (2) and 222BC (6) and release the quick-release fasteners (9).
(4) Release panel 221BC (2) and 222BC (6) from the mounting rails (8).
(5) Carefully remove ceiling panels 221BC (2) and 222BC (6).

Subtask 25-23-42-020-053-B ** ON A/C NOT FOR ALL

G. Removal of the Ceiling Panels (3) and (5)

Ceiling-Panels Forward Utility-Area ** ON A/C NOT FOR ALL

(1) Remove the section hose (7) from the mounting rails (8).
(2) Hold the ceiling panels (3) and (5) and release the quick-release fasteners (9).
(3) Release the ceiling panels (3) and (5) from the mounting rails (8).
(4) Carefully remove the ceiling panels (3) and (5).

Subtask 25-23-42-020-060-B ** ON A/C NOT FOR ALL

H. Removal of the Ceiling Panel (4)

Ceiling-Panels Forward Utility-Area ** ON A/C NOT FOR ALL

(1) Remove the section hose (7) from the mounting rails (8).
(2) Release the ceiling panel (4) from the mounting rails (8) and remove it.

[Rev.10 from 2021] 2026.03.31 23:31:02 UTC