Removal of the Door Linings of the Emergency Exit, zones 251/252

TASK 25-23-47-000-802-A
Removal of the Door Linings of the Emergency Exit, zones 251/252

ZONE: 251
ZONE: 252

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	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
995000	AR	TOOL-MANUAL RELEASE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
251	AFT PASSENGER COMPARTMENT
252	AFT PASSENGER COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 52-22-00-010-001-A	Opening of the Emergency Exit Doors from the Passenger Compartment
TASK 52-73-21-000-003-E	Removal of the SLIDE ARMED Indicator Light of the Aft Emergency Exits
TASK 52-73-22-000-003-A	Removal of the CABIN PRESSURE Warning-Light Panel of the Emergency Exits
Door Linings - Emergency Exit, Zones 251/252

3. Job Set-up
Subtask 25-23-47-860-078-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at the related emergency exit door.
(3) Open the related emergency exit door (Ref. AMM TASK 52-22-00-010-001).

Subtask 25-23-47-865-095-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
121VU	EIS/SLIDES/ARM AND WARN/FLT	15WN	P11
121VU	EIS/SLIDES/ARM AND WARN/GND	13WN	P10

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 25-23-47-020-133-A ** ON A/C NOT FOR ALL

A. Removal of the Door Lining

Door Linings - Emergency Exit, Zones 251/252 ** ON A/C NOT FOR ALL

(1) Make match marks on the components that you disconnect/remove to record their connections/positions. This is important for the subsequent installation procedure.
(2) Remove the screws (12), the washers (13) and the panel (1).
(3) Remove the plugs (25) and the screws (24).
(4) Remove the screws (14), the washers (15) and the panel (6).
(5) Remove the slide armed indicator-light (Ref. AMM TASK 52-73-21-000-003).
(6) Remove the cabin-pressure warning-light panel (Ref. AMM TASK 52-73-22-000-003).
(7) Remove the screw (16) and the cover (3).
(8) Remove the handgrip (17):

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 (18) and the handgrip (17).
(b) Carefully push the lugs (21) of the handgrip cover (18) in the direction of the arrows.
(c) Remove the handgrip cover (18).
(9) Remove the screws (20), the washers (19) and the handgrip (17).
(10) Pull up the panel (2) and release the brackets from the yo-yo rolls.
(11) Remove the nut (22) and the screw (23).
(12) Remove the screws (9), washers (10), brackets (11) and panel (5).
(13) Remove the screws (8) and the washers (7).
(14) Carefully disengage the panel (4) from the yo-yo rolls.

[Rev.10 from 2021] 2026.04.01 12:45:02 UTC