Removal of the Captain (First Officer) Seat Assist Armrest-Assy
TASK 25-11-66-000-001-A
Removal of the Captain (First Officer) Seat Assist Armrest-Assy
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 25-11-66-861-050-A 4. Procedure
Subtask 25-11-66-020-050-A
[Rev.10 from 2021]
2026.03.31 23:28:19 UTC
Removal of the Captain (First Officer) Seat Assist Armrest-Assy
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 211 | COCKPIT |
| 212 | COCKPIT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
Subtask 25-11-66-861-050-A 4. Procedure
Subtask 25-11-66-020-050-A
A. Removal of the Captain (First Officer) Seat Assist Armrest-Assy
(a) Remove the screw (18) and the washer (17) from the cylinder (16).
(b) Remove the cylinder (16) from the armrest (2).
(c) Remove the setscrew (23) to release the pin (15).
(d) Disengage the cylinder (16) and the pin (15) from the main pin (21).
(e) Remove the pin (20), the washer (19), the pin (15) and the shouldered pin (14).
(3) Remove the armrest from the fitting (11):
(a) Remove the screws (3), (5), (6) and the outer shroud (4).
(b) Remove the setscrews (22) and (8).
(c) Remove the two notched pins (7).
(d) Disengage the main pin (21) from the fitting (11).
(e) Remove the armrest (2) from the fitting (11).
(g) Remove the casing (25) from the armcap (1).
NOTE: Make marks on all the parts before disassembly to help you and prevent errors during assembly.
(1) Remove the three screws (13), the washers (12) and the assist armrest assy from the seat pan. NOTE: Make sure that the seat is in the stowed position before you remove the screws (13) and the washers (12).
(2) Remove the cylinder (16): (a) Remove the screw (18) and the washer (17) from the cylinder (16).
(b) Remove the cylinder (16) from the armrest (2).
(c) Remove the setscrew (23) to release the pin (15).
(d) Disengage the cylinder (16) and the pin (15) from the main pin (21).
(e) Remove the pin (20), the washer (19), the pin (15) and the shouldered pin (14).
(3) Remove the armrest from the fitting (11):
(a) Remove the screws (3), (5), (6) and the outer shroud (4).
(b) Remove the setscrews (22) and (8).
(c) Remove the two notched pins (7).
(d) Disengage the main pin (21) from the fitting (11).
(e) Remove the armrest (2) from the fitting (11).
NOTE: Retain the two shouldered bushes (9), (10) and the inner shroud.
(f) Remove the screws (24) and the armcap (1) from the armrest (2). (g) Remove the casing (25) from the armcap (1).
Captain (First Officer) Seat Assist Armrest Assy