Removal of the Captain (First Officer) Seat Pan and Base Accessories

TASK 25-11-69-000-001-A
Removal of the Captain (First Officer) Seat Pan and Base Accessories

ZONE: 211
ZONE: 212
FIN: 3MS
FIN: 4MS

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

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-11-61-000-001-A	Removal of the Captain (First Officer) Seat Cushion
Captain (First Officer) Seat Pan and Base Accessories

3. Job Set-up
Subtask 25-11-69-861-050-A

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

Subtask 25-11-69-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 3MS (SEATCAPTAIN)
122VU	COCKPIT SEATS/SEAT CTL/CAPT	1MS1	U11
122VU	LIGHTING/FLOOD/CAPT/SIDE	5LE	Z05
FOR FIN: 4MS (SEATF/O)
122VU	COCKPIT SEATS/SEAT CTL/F/O	1MS2	U14
122VU	LIGHTING/FLOOD/F/O/SIDE	4LE	Z06

Subtask 25-11-69-010-050-A

C. Remove the Captain (First Officer) seat cushion (Ref. AMM TASK 25-11-61-000-001).

4. Procedure
Subtask 25-11-69-020-050-A

A. Removal of the Captain (First Officer) Seat Pan and Base Accessories
(1) Remove the screws (4), (6), the washers (5), the nuts (15) and the wiring cover (3).
(2) Remove the screws (7), the washers (8), the nuts (14) and the wiring cover (9).
(3) Remove the screws (31), the washers (32) and the switch cover (30).
(4) Remove the screws (23) and the electrical control switches (24).
(5) Remove the nuts (22), the washers (21), (20) and the plate (19).
(6) Disconnect the switch lugs from the switches (16).

NOTE: Make marks on the switch lugs before disassembly to help you and prevent errors during assembly.

(7) Remove the screw (10), the washer (12), the nut (13) and the bonding lead (11).
(8) Remove the screw (28), the washer (17), the nut (18) and the bonding lead (29).
(9) Remove the socket head screws (26) and the "H", "V" and "R" control levers (25).
(10) Pull the dust covers (1) up to remove them from the base assy (2).

[Rev.10 from 2021] 2026.03.31 23:28:27 UTC