Installation of the Door Linings of the LH FWD Emergency Exit Door, zone 231

TASK 25-23-47-400-012-A
Installation of the Door Linings of the LH FWD Emergency Exit Door, zone 231

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 11-00-00-400-002-A	Installation of the Decals
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 52-22-00-010-001-A	Opening of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-410-001-A	Closing of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-860-003-A	Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder
TASK 52-73-21-400-003-B	Installation of the SLIDE ARMED Indicator-Light of the Emergency Exit
TASK 52-73-22-400-003-A	Installation of the CABIN PRESSURE Warning-Light Panel of the Emergency Exits
Door Linings, zone 231.

3. Job Set-up
Subtask 25-23-47-860-068-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the access platform is in position on the related emergency exit door.
(2) Make sure that the related emergency exit door is open (Ref. AMM TASK 52-22-00-010-001)
(3) Make sure that the door is safe (Ref. AMM TASK 52-22-00-860-003)
(4) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001)
(5) Clean the component interfaces and the adjacent area.
(6) Make sure that the parts retained from the removed component are clean and in the correct condition.
(7) Do an inspection of the component interfaces and the adjacent area.

Subtask 25-23-47-865-082-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05

4. Procedure
Subtask 25-23-47-420-111-A ** ON A/C NOT FOR ALL

A. Installation of the Door Lining 833HZ (4)

Door Linings, zone 231. ** ON A/C NOT FOR ALL

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.

(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the door lining (4) in position, engage the attach brackets to the yo-yo rolls and attach it with the screws (14).
(3) Install the screws (10) and the washers (11).

Subtask 25-23-47-420-112-A ** ON A/C NOT FOR ALL

B. Installation of the Door Lining 833GZ (3)

Door Linings, zone 231. ** ON A/C NOT FOR ALL

(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the door lining (3) in position and attach it with the screws (12), (16), (20), the washers (15), (19), the nut (13) and the bracket (24).

NOTE: Install the screws, the washers, the nuts and the bracket as identified during the removal procedure.

Subtask 25-23-47-420-113-A ** ON A/C NOT FOR ALL

C. Installation of the Door Lining 833DZ (6)

Door Linings, zone 231. ** ON A/C NOT FOR ALL

(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the door lining (6) in position and engage the attach brackets to the yo-yo rolls.
(3) Install the LWR handle section (25) with the screws (28) and the washers (27).
(4) Install the cover (26) to the LWR handle section (25).

NOTE: Make sure that the lugs (29) of the cover (26) engage correctly and you hear a click.

(5) Install the cover (21) the screws (22) and the washers (23).

Subtask 25-23-47-420-114-B ** ON A/C NOT FOR ALL

D. Installation of the Door Lining 833CZ (2)

Door Linings, zone 231. ** ON A/C NOT FOR ALL

(1) Install the slide arm indicator light (Ref. AMM TASK 52-73-21-400-003)
(2) Install the cabin pressure light panel (Ref. AMM TASK 52-73-22-400-003)
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Put the door lining (2) in position and attach it with the screws (32) the plugs (33), the screws (10) and the washers (11).
(5) Lift up the cover (30) and install the plate (31) the screw (12) and the nut (13).

Subtask 25-23-47-420-115-A ** ON A/C NOT FOR ALL

E. Installation of the Door Lining 833EZ (7)

Door Linings, zone 231. ** ON A/C NOT FOR ALL

(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the door lining (7) in position and attach it with the screws (10) and the washers (11).

Subtask 25-23-47-420-116-A ** ON A/C NOT FOR ALL

F. Installation of the Door Lining 833JZ (1)

Door Linings, zone 231. ** ON A/C NOT FOR ALL

(1) Make sure that the work area is clean and clear of tools and other items.
(2) If removed, put the door lining in position and attach it with the screws (8) and the washers (9).

Subtask 25-23-47-210-074-A ** ON A/C NOT FOR ALL

G. Visual Inspection
(1) Make sure that all placards of the retained/new components are in the correct position and in good condition.
(2) If necessary install the new placards, refer to (Ref. AMM TASK 11-00-00-400-002) (Ref. AMM D/O 11-32-25-00)

5. Close-up
Subtask 25-23-47-865-083-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close 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
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05

Subtask 25-23-47-410-068-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the related emergency exit door (Ref. AMM TASK 52-22-00-410-001)
(3) Remove the access platform(s).

Subtask 25-23-47-862-058-A ** ON A/C NOT FOR ALL

C. De- energize the aircraft electrical circuits. (Ref. AMM TASK 24-42-00-862-001)

[Rev.10 from 2021] 2026.03.31 23:31:44 UTC