Removal of the Forward Passenger/Crew Door

TASK 52-11-11-000-001-A
Removal of the Forward Passenger/Crew Door

CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

ZONE: 221
ZONE: 222

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
98A52008509000	1	SLING-UNIVERSAL,DOORS
98D52003003002	1	SAFETY BARRIER KIT 4
98V52008861000	1	SLING- UNIVERSAL, DOORS

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
221	FWD CAB UTILITY AREA
222	FWD CAB UTILITY AREA
831, 841

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-23-46-000-001-A	Removal of the Door Linings from the Forward Passenger/Crew Doors
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 25-80-00-000-001-A	Removal of the Insulation Blankets
TASK 52-00-00-481-001-A	Installation of the Safety Barrier
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-860-001-A	Special Precautions before Work on the Passenger/Crew Door
TASK 52-11-12-000-003-A	Removal of the Guide Arms
TASK 06-41-52-00	DOORS - DESCRIPTION AND OPERATION
Door Hoist Fittings
Door Damper and Emergency Operation Cylinder
Door Attachments to the Support Arm

3. Job Set-up
Subtask 52-11-11-861-050-A

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

Subtask 52-11-11-010-052-A

B. Get Access

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.

WARNING: DO NOT OPEN THE PASSENGER/CREW DOOR IF THE WIND SPEED IS MORE THAN 65 KNOTS.

WARNING: STOP THE OPENING PROCEDURE IF THE RED WARNING LIGHT FLASHES. IF THE RED WARNING LIGHT FLASHES, REMAINING PRESSURE CAN CAUSE THE DOOR TO OPEN SUDDENLY AND CAN:

KILL OR CAUSE SERIOUS INJURY TO PERSONS
CAUSE DAMAGE TO THE AIRCRAFT.

(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at forward passenger crew/door 831 or 841.
(2) Open forward passenger/crew door 831 or 841 (Ref. AMM TASK 52-10-00-010-001).
(3) Obey the special precautions before you start the work on the door (Ref. AMM TASK 52-10-00-860-001).

Subtask 52-11-11-865-050-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

Subtask 52-11-11-010-050-A ** ON A/C NOT FOR ALL

D. Removal of the Components
(1) Remove the escape-slide pack-assembly:
(a) For the left door:

If installed, remove the left escape-slide pack-assembly (Ref. AMM TASK 25-62-44-000-002).

(b) For the right door:

If installed, remove the right escape-slide pack-assembly (Ref. AMM TASK 25-62-44-000-802).

(2) Remove the applicable door lining-panels (Ref. AMM TASK 25-23-46-000-001).
(a) Refer to AMM chapter 06 for the door lining-panels details (Ref. AMM D/O 06-41-52-00).
(3) Remove the door insulation blankets (Ref. AMM TASK 25-80-00-000-001).

Subtask 52-11-11-010-050-B ** ON A/C NOT FOR ALL

D. Removal of the Components
(1) Remove the escape slide:
(a) For the left door:

If installed, remove the left escape-slide raft pack-assembly (Ref. AMM TASK 25-62-44-000-012).

(b) For the right door:

If installed, remove the right escape-slide raft pack-assembly (Ref. AMM TASK 25-62-44-000-804).

(2) Remove the applicable door lining panels (Ref. AMM TASK 25-23-46-000-001).

NOTE: Refer to AMM chapter 06 for the door lining panels details (Ref. AMM D/O 06-41-52-00).

(3) Remove the door insulation blankets.

Subtask 52-11-11-420-052-B

E. Installation of the Sling

Door Hoist Fittings

(1) Remove and discard the two self-adhesive patches (3) from the door hoisting points.
(2) Remove the two blanking plugs (1) from the door hoisting points.
(3) Remove the door hoist fittings (2) from the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10).
(4) Install the door hoist fittings (2) in the door hoisting points.
(5) Put the door in the up position.
(6) Install the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10) on the door hoist fittings (2).
(7) If necessary, adjust the cable tension regulator to balance the door.
(8) Lift the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10) to remove the weight of the door from the door suspension.

4. Procedure
Subtask 52-11-11-020-053-A

A. Disconnection of the Electrical Harness
(1) On the frame, disconnect connector 2819VC from the left side or connector 2818VC from the right side.
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) On the support arm (40), remove the attachment clamps from the cable sheaths.

Subtask 52-11-11-020-054-A

B. Disconnection of the Upper and Lower Guide Arms
(1) Disconnect the guide arms from the door side (Ref. AMM TASK 52-11-12-000-003).

Subtask 52-11-11-020-055-B

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

C. Disconnection of the Door Damper and the Emergency Operation Cylinder

Door Damper and Emergency Operation Cylinder

(1) Remove and discard the cotter pin (49).
(2) Remove the nut (48) and the washer (50).
(3) Remove the bolt (42), the lock washer (53) and the spacer (51).
(4) Disengage the telescopic rod (52) from the eye bolt (37) and fold it back to the support arm (40).
(5) Remove the eye bolt (37).
(a) Remove the cotter pin (31).
(b) Remove the nuts (32) and the washer (33).
(c) Remove the nuts (39) and the bolts (34).
(d) Remove the flange (38).
(e) Remove the eye bolt (37) together with the washer (36) and the bush (35).

Subtask 52-11-11-020-050-B

D. Disconnection of the Support Arms

Door Attachments to the Support Arm

Door Hoist Fittings

(1) Remove the screws (66) and the washers (67).
(2) Disconnect the bonding leads (68).

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

(3) Remove and discard the cotter pins (69).
(4) Remove the nuts (70) and the washers (71).
(5) Make sure that the bolts (63) move smoothly.
(6) Adjust the tension of the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10), if necessary.
(7) Remove the bolts (63), the washers (62), the spacers (73) and the washer sets (64) from the connection links (61).
(8) Disengage and remove the door assembly from the upper and lower connection links (61) with the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10).

Subtask 52-11-11-020-056-B

E. Removal of the Sling

Door Hoist Fittings

(1) Remove the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10) from the door hoist fittings (2).
(2) Remove the door hoist fittings (2) from the door.
(3) Attach the door hoist fittings (2) to the 98A52008509000 SLING-UNIVERSAL,DOORS or the 98V52008861000 SLING- UNIVERSAL, DOORS (10).
(4) Install the two blanking plugs (1) in the hoisting points.

5. Close-up
Subtask 52-11-11-481-050-A

A. Installation of the Safety Barrier
(1) Install the 98D52003003002 SAFETY BARRIER KIT 4 in the opening of the removed door (Ref. AMM TASK 52-00-00-481-001).

[Rev.10 from 2021] 2026.04.01 04:11:09 UTC