Detailed Visual Inspection of the Door Suspension Mechanism

TASK 52-11-12-220-001-A
Detailed Visual Inspection of the Door Suspension Mechanism

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	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
831, 841

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	BUSH	AIPC 52-11-01-04-200
3	BUSH	AIPC 52-11-01-04-240
25	BUSH	AIPC 52-11-01-06-100
24	BUSH	AIPC 52-11-01-06-130
21	BUSH	AIPC 52-11-01-06-200
23	BUSH	AIPC 52-11-01-06-200
27	BUSH	AIPC 52-11-01-06-210
28	BUSH	AIPC 52-11-01-06-210
26	BUSH	AIPC 52-11-01-06-220
29	BUSH	AIPC 52-11-01-06-220
22	BUSH	AIPC 52-11-01-06-250
20	BUSH	AIPC 52-11-01-06-270
2	BUSH	AIPC 52-11-01-09-280
4	BUSH	AIPC 52-11-11-12-260

D. Referenced Information

REFERENCE	DESIGNATION
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 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-410-001-A	Closing of the Passenger/Crew Door
TASK 52-10-00-860-001-A	Special Precautions before Work on the Passenger/Crew Door
TASK 52-10-00-860-002-A	Special Precautions after Work on the Passenger/Crew Door
TASK 52-10-00-915-001-A	Replacement of the Bonded Bushes (with Seal Bead)
TASK 52-10-00-915-802-A	Replacement of the Bonded Bushes (without Seal Bead)
TASK 52-10-00-960-801-A	Replacement of the Bushes (Not Bonded and without Seal Bead)
TASK 52-11-12-000-001-A	Removal of the Door Support Arm, the Door Buffer, the Door Unlocking Handle and the Door Stay Mechanism
TASK 52-11-12-400-001-A	Installation of the Door Support Arm, the Door Buffer, the Door Unlocking Handle and the Door Stay Mechanism
Door Support Arm
Door Stay Mechanism

3. Job Set-up
Subtask 52-11-12-861-051-A

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

Subtask 52-11-12-010-059-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 the applicable FWD passenger/crew door 831 or 841.
(2) Open the applicable FWD passenger/crew door 831 or 841 (Ref. AMM TASK 52-10-00-010-001).
(3) Obey the special precautions before you start work on the door (Ref. AMM TASK 52-10-00-860-001)

Subtask 52-11-12-865-058-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 52-11-12-020-057-A

D. Removal of the Door Suspension Mechanism
(Ref. AMM TASK 52-11-12-000-001)
(1) Remove the door stay mechanism, if not removed.
(2) Remove the support arm, if not removed.

4. Procedure
Subtask 52-11-12-220-053-A

A. Inspection of the Support Arm

Door Support Arm

(1) Do a detailed visual inspection of the bushes and the part of the support arms.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
CC	15.880	15.893			15.867
OD 1	(0.6252)	(0.6257)			(0.6247)
			0.0000	0.0380			0.0770
			(0.0000)	(0.0015)			(0.0030)
CC	15.893	15.918				15.944
ID 2	(0.6257)	(0.6267)				(0.6277)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bush (1):

Replace the AIPC 52-11-01-04-200 BUSH (1) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-960-801).

(b) For the bush (2):

Replace the AIPC 52-11-01-09-280 BUSH (2) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-915-001).

Subtask 52-11-12-220-057-A

B. Inspection of the Support Arm

Door Support Arm

(1) Do a detailed visual inspection of the bushes and the part of the support arms.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
DD	12.704	12.715			12.691
OD 3	(0.5002)	(0.5006)			(0.4996)
			0.0000	0.0370			0.0740
			(0.0000)	(0.0015)			(0.0029)
DD	12.715	12.741				12.765
ID 4	(0.5006)	(0.5016)				(0.5026)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bush (3):

Replace the AIPC 52-11-01-04-240 BUSH (3) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-960-801).

(b) For the bush (4):

Replace the AIPC 52-11-11-12-260 BUSH (4) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-915-802).

Subtask 52-11-12-220-054-A

C. Inspection of the Door Stay Mechanism

Door Stay Mechanism

(1) Do a detailed visual inspection of the bushes and the parts of the door stay mechanism.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
EE	7.956	7.965			7.947
OD 21	(0.3132)	(0.3136)			(0.3129)
			-0.0150	0.0170			0.0340
			(-0.0006)	(0.0007)			(0.0013)
EE	7.950	7.973				7.981
ID 20	(0.3130)	(0.3139)				(0.3142)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bush (21):

Replace the AIPC 52-11-01-06-200 BUSH (21) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-960-801).

(b) For the bush (20):

Replace the AIPC 52-11-01-06-270 BUSH (20) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-915-802).

Subtask 52-11-12-220-058-A

D. Inspection of the Door Stay Mechanism

Door Stay Mechanism

(1) Do a detailed visual inspection of the bushes and the parts of the door stay mechanism.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
DD	7.956	7.965			7.947
OD 23	(0.3132)	(0.3136)			(0.3129)
			-0.0150	0.0170			0.0340
			(-0.0006)	(0.0007)			(0.0013)
DD	7.950	7.973				7.981
ID 22	(0.3130)	(0.3139)				(0.3142)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bush (23):

Replace the AIPC 52-11-01-06-200 BUSH (23) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-960-801).

(b) For the bush (22):

Replace the AIPC 52-11-01-06-250 BUSH (22) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-915-802).

Subtask 52-11-12-220-059-A

E. Inspection of the Door Stay Mechanism

Door Stay Mechanism

(1) Do a detailed visual inspection of the bushes and the parts of the door stay mechanism.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
DD	7.956	7.965			7.947
OD 25	(0.3132)	(0.3136)			(0.3129)
			-0.0150	0.0170			0.0340
			(-0.0006)	(0.0007)			(0.0013)
DD	7.950	7.973				7.981
ID 24	(0.3130)	(0.3139)				(0.3142)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bush (25):

Replace the AIPC 52-11-01-06-100 BUSH (25) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-960-801).

(b) For the bush (24):

Replace the AIPC 52-11-01-06-130 BUSH (24) or replace the part on which it is installed (Ref. AMM TASK 52-10-00-915-802).

Subtask 52-11-12-220-060-A

F. Inspection of the Door Stay Mechanism

Door Stay Mechanism

(1) Do a detailed visual inspection of the bushes and the parts of the door stay mechanism.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
EE	3.992	4.000			3.987
OD 27	(0.1572)	(0.1575)			(0.1570)
			0.0000	0.1100			0.0300
			(0.0000)	(0.0043)			(0.0012)
EE	4.000	4.102				4.017
ID 26	(0.1575)	(0.1615)				(0.1581)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bushes (26) and (27):

Replace the AIPC 52-11-01-06-220 BUSH (26) and AIPC 52-11-01-06-210 BUSH (27) or replace the part on which they are installed (Ref. AMM TASK 52-10-00-960-801).

Subtask 52-11-12-220-061-A

G. Inspection of the Door Stay Mechanism

Door Stay Mechanism

(1) Do a detailed visual inspection of the bushes and the parts of the door stay mechanism.
(2) Make sure that the dimensions are correct.

FIG. DETAIL AND ITEM N°	ORIGINAL MANUFACTURING LIMITS	IN-SERVICE WEAR LIMITS
DD	3.992	4.000			3.987
OD 28	(0.1572)	(0.1575)			(0.1570)
			0.0000	0.1100			0.0300
			(0.0000)	(0.0043)			(0.0012)
DD	4.000	4.102				4.017
ID 29	(0.1575)	(0.1615)				(0.1581)

(3) If the wear of the bushes is not in the tolerances:
(a) For the bushes (28) and (29):

Replace the AIPC 52-11-01-06-210 BUSH (28) and AIPC 52-11-01-06-220 BUSH (29) or replace the part on which they are installed (Ref. AMM TASK 52-10-00-960-801).

5. Close-up
Subtask 52-11-12-420-059-A

A. Installation of the Door Suspension Mechanism
(Ref. AMM TASK 52-11-12-400-001)
(1) Install the door stay mechanism.
(2) Install the support arm.

Subtask 52-11-12-865-059-A

B. Remove the safety clip(s) and the tag(s) and close 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 52-11-12-410-057-A

C. Close Access
(1) Obey the special precautions after the work on the door (Ref. AMM TASK 52-10-00-860-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Close the FWD passenger/crew door 831 or 841 (Ref. AMM TASK 52-10-00-410-001).
(5) Remove the access platform(s).

Subtask 52-11-12-862-051-A

D. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001)

[Rev.10 from 2021] 2026.04.01 04:11:07 UTC