Removal of the Door Linings from the Forward Passenger/Crew Doors

TASK 25-23-46-000-001-A
Removal of the Door Linings from the Forward Passenger/Crew Doors

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	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
995000	1	TOOL-MANUAL RELEASE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
831AZ, 831DZ, 841AZ, 841DZ
831BZ, 831CZ, 831EZ, 831FZ, 831GZ, 841BZ, 841CZ, 841EZ, 841FZ, 841GZ

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-62-44-000-002-A	Removal of the Left Escape-Slide Pack-Assembly
TASK 25-62-44-000-012-A	Removal of the Left-Hand Escape-Slide-Raft Pack-Assembly
TASK 25-62-44-000-802-A	Removal of the Right Escape-Slide Pack-Assembly
TASK 25-62-44-000-804-A	Removal of the Right-Hand Escape-Slide-Raft Pack-Assembly
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-73-21-000-001-A	Removal of the SLIDE ARMED Indicator-Light of the FWD Passenger/Crew Door
TASK 52-73-22-000-001-A	Removal of the CABIN PRESSURE Warning-Light Panel from the Forward Passenger/Crew Door
Door Linings - FWD Passenger/Crew Doors ** ON A/C NOT FOR ALL
Door Linings - FWD Passenger/Crew Doors ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-23-46-861-050-A

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

Subtask 25-23-46-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open passenger/crew door 831 (841) (Ref. AMM TASK 52-10-00-010-001).
(2) Remove the cabin escape facilities:
(a) For 831AZ:
Remove the left escape slide (Ref. AMM TASK 25-62-44-000-002) or the left escape slide-raft (Ref. AMM TASK 25-62-44-000-012).
(b) For 841AZ:
Remove the right escape slide (Ref. AMM TASK 25-62-44-000-802) or the right escape slide-raft (Ref. AMM TASK 25-62-44-000-804).
(3) Remove the lights:
(a) For 831DZ and 841DZ: Remove the SLIDE ARMED indicator-light (Ref. AMM TASK 52-73-21-000-001) and the CABIN PRESSURE warning-light (Ref. AMM TASK 52-73-22-000-001).

Subtask 25-23-46-010-050-B ** ON A/C NOT FOR ALL

Subtask 25-23-46-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
121VU	EIS/SLIDES/ARM AND WARN/FLT	15WN	P11
121VU	EIS/SLIDES/ARM AND WARN/GND	13WN	P10
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05

4. Procedure

WARNING: BEFORE YOU START WORK ON THE DOOR, MAKE SURE THAT:

THE EMERGENCY CONTROL HANDLE IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.

IF YOU DO NOT OBEY THESE INSTRUCTIONS, THE DOOR CAN OPEN WITH FORCE OR THE ESCAPE SLIDE CAN DEPLOY SUDDENLY. THIS CAN CAUSE INJURY AND/OR DAMAGE.

Subtask 25-23-46-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Linings
(1) Remove lining 831FZ (841FZ) (8):
(a) Remove the screws (14), the washers (13) and the grip (15).
(b) Remove the related screws (4) and the related washers (3).
(c) Turn the brackets down.
(d) Carefully release the lining (8) from the yo-yo rolls and remove lining (8).
(2) Remove lining 831GZ (841GZ) (9):
(a) Disconnect the rod (7) from the lining (9).
(b) Remove and discard the cotter pin (6).
(c) Remove the pin (5).
(d) Remove the lining (9).
(3) Remove lining 831EZ (841EZ) (2):
(a) Remove the related screws (4) and the related washers (3).
(b) Carefully release the lining (2) from the yo-yo rolls and remove lining (2).
(4) Remove lining 831DZ (841DZ) (12):

CAUTION: DO NOT USE TOO MUCH FORCE WHEN YOU REMOVE THE COVER AS THIS CAN CAUSE DAMAGE TO THE RETAINER.

(a) Put the 995000 TOOL-MANUAL RELEASE between the handgrip cover (21) and the handgrip (26).
(b) Carefully push the lugs (22) of the handgrip cover (21) in the direction of the arrows and remove the handgrip cover (21).
(c) Remove the screws (23) and (25), the washers (24) and the handgrip (26).
(d) Remove the spacer (27) and the lining (28).
(e) Remove the related screws (4) and the related washers (3).
(f) Carefully release the lining (12) from the yo-yo rolls.
(5) Remove lining 831CZ (841CZ) (1):
(a) Remove the nut (20), washer (18), screw (16) and handle plate (19) from the emergency control handle (17).
(b) Remove the related screws (4) and the related washers (3).
(c) Remove the safety pin (29).
(d) Carefully release the lining (1) from the yo-yo rolls and remove lining (1).
(e) Install the safety pin (29).
(6) Remove lining 831BZ (841BZ) (10):
(a) Remove the related screws (4) and the related washers (3).
(b) Carefully release the lining (10) from the yo-yo rolls and remove lining (10).
(7) Remove lining 831AZ (841AZ) (11):
(a) Remove the related screws (4) and the related washers (3).
(b) Carefully release the lining (11) from the yo-yo rolls and remove lining (11).

Subtask 25-23-46-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the linings

Door Linings - FWD Passenger/Crew Doors ** ON A/C NOT FOR ALL

(1) Remove lining 831FZ ( 841FZ) (4):
(a) Remove the screws (6), the washers (7) and the grip (3).
(b) Remove the related screws (10) and (14) and the related washers (11).
(c) Loosen the related screws and turn the brackets down (refer to detail C).
(d) Carefully release lining 831FZ ( 841FZ) (4) from the yo-yo rolls.
(e) Remove lining 831FZ ( 841FZ) (4).
(2) Remove lining 831GZ ( 841GZ) (5):
(a) Disconnect the rod (17) from lining 831GZ ( 841GZ) (5).
(b) Remove and discard the cotter pin (15).
(c) Remove the pin (16).
(d) Remove lining 831GZ ( 841GZ) (5).
(3) Remove lining 831EZ ( 841EZ) (2):
(a) Remove the related screws (10) and the related washers (11).
(b) Carefully release lining 831EZ ( 841EZ) (2) from the yo-yo rolls.
(c) Remove lining 831EZ ( 841EZ) (2).
(4) Remove lining 831DZ ( 841DZ) (12):

CAUTION: DO NOT USE TOO MUCH FORCE WHEN YOU REMOVE THE COVER AS THIS CAN CAUSE DAMAGE TO THE RETAINER.

(a) Put the 995000 TOOL-MANUAL RELEASE between the handgrip cover (30) and the handgrip (26).
(b) Carefully push the lugs (29) of the handgrip cover (30) in the direction of the arrows and remove the handgrip cover (30).
(c) Remove the screws (31) and (28), the washers (27) and the handgrip (26).
(d) Remove the spacer (25) and the lining (24).
(e) Remove the related screws (10) and the related washers (11).
(f) Carefully release lining 831DZ ( 841DZ) (12) from the yo-yo rolls.
(g) Disconnect the electrical connectors (33).
(h) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(i) Remove lining 831DZ ( 841DZ) (12).
(j) If necessary, remove the SLIDE ARMED indicator-light (32) (Ref. AMM TASK 52-73-21-000-001) and the CABIN PRESSURE warning-light (34) (Ref. AMM TASK 52-73-22-000-001).
(5) Remove lining 831CZ ( 841CZ) (1):
(a) Remove the nut (19), washer (18), screw (23) and handle plate (21) from the emergency control handle (22).
(b) Remove the related screws (10) and the related washers (11).
(c) Remove the safety pin (20).
(d) Carefully release lining 831CZ ( 841CZ) (1) from the yo-yo rolls.
(e) Remove lining 831CZ ( 841CZ) (1).
(f) Install the safety pin (20).
(6) Remove lining 831BZ ( 841BZ) (8):
(a) Remove the related screws (10) and the related washers (11).
(b) Carefully release lining 831BZ ( 841BZ) (8) from the yo-yo rolls.
(c) Remove lining 831BZ ( 841BZ) (8).
(7) Remove lining 831AZ ( 841AZ) (9):
(a) Remove the related screws (10) and the related washers (11).
(b) Carefully release lining 831AZ ( 841AZ) (9) from the yo-yo rolls.
(c) Remove lining 831AZ ( 841AZ) (9).

[Rev.10 from 2021] 2026.03.31 23:31:27 UTC