Functional Check of the Locking Mechanism
TASK 52-10-00-720-003-A
Functional Check of the Locking Mechanism
Refer to the MPD TASK: 521000-05
FUNCTIONAL CHECK OF LOCKING MECHANISM
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 52-10-00-010-055-A
Subtask 52-10-00-410-056-A
Subtask 52-10-00-865-055-A
[Rev.10 from 2021]
2026.04.02 06:27:17 UTC
Functional Check of the Locking Mechanism
WARNING:
DO NOT OPEN THE PASSENGER/CREW DOOR IF THE WIND SPEED IS MORE THAN 65 KNOTS.
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.
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:
1. Reason for the Job- KILL OR CAUSE SERIOUS INJURY TO PERSONS
- CAUSE DAMAGE TO THE AIRCRAFT.
Refer to the MPD TASK: 521000-05
FUNCTIONAL CHECK OF LOCKING MECHANISM
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 | 1 | DYNAMOMETER 20 DAN (45 LBF) - PULL |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| 98D52103501000 | 1 | BALLAST WEIGHT - PASSENGER CREW DOOR |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 831 | FORWARD PASSENGER/CREW DOOR |
| 832 | AFT PASSENGER/CREW DOOR |
| 841 | FORWARD PASSENGER/CREW DOOR |
| 842 | AFT PASSENGER/CREW DOOR |
| 831, 832, 841, 842 |
| REFERENCE | DESIGNATION |
|---|---|
| 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 25-62-44-400-006-A | Installation of the Left Escape-Slide Pack-Assembly |
| TASK 25-62-44-400-007-A | Installation of the Left-Hand Escape-Slide-Raft Pack-Assembly |
| TASK 25-62-44-400-802-A | Installation of the Right Escape-Slide Pack-Assembly |
| TASK 25-62-44-400-803-A | Installation of the Right-Hand Escape-Slide-Raft Pack-Assembly |
| TASK 52-10-00-010-001-A | Opening of the Passenger/Crew Door |
| TASK 52-10-00-080-001-A | Removal of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide |
| TASK 52-10-00-080-001-B | Removal of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide/Raft |
| TASK 52-10-00-410-001-A | Closing of the Passenger/Crew Door |
| TASK 52-10-00-480-001-A | Installation of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide |
| TASK 52-10-00-480-001-B | Installation of the Passenger/Crew Door Ballast Weight (98D52103501000) for Escape Slide/Raft |
| 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 52-11-21-820-001-A | Adjustment/Test of the Door Locking Mechanism of the FWD Passenger/Crew Door |
| TASK 52-13-21-820-001-A | Adjustment of the Locking Hook of the Aft Passenger/Crew Door |
Subtask 52-10-00-010-055-A
A. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 831 (841) or 832 (842).
(2) Open applicable passenger/crew door 831 ( 841) or 832 ( 842) (Ref. AMM TASK 52-10-00-010-001).
(3) Obey special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001).
Subtask 52-10-00-865-054-A (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 831 (841) or 832 (842).
(2) Open applicable passenger/crew door 831 ( 841) or 832 ( 842) (Ref. AMM TASK 52-10-00-010-001).
(3) Obey special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001).
B. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| 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 52-10-00-410-056-A
A. Close the passenger/crew door from the inner side.
Subtask 52-10-00-720-055-A ** ON A/C NOT FOR ALL B. Functional Check of the Locking Mechanism
(1) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(2) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(3) If it is necessary to adjust the door locking mechanism:
(a) Remove the escape slide:
1 For the left door:
a If installed, remove the left escape slide-pack-assembly (Ref. AMM TASK 25-62-44-000-002).
2 For the right door:
a If installed, remove the right escape slide-pack-assembly (Ref. AMM TASK 25-62-44-000-802).
(b) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
(c) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(d) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(e) If necessary, adjust the door locking mechanism for:
1 The FWD passenger/crew door (Ref. AMM TASK 52-11-21-820-001)
2 The aft passenger/crew door (Ref. AMM TASK 52-13-21-820-001).
(f) Remove the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-080-001).
(g) Install the escape slide:
1 For the left door:
a Install the left escape slide-pack-assembly (Ref. AMM TASK 25-62-44-400-006).
2 For the right door:
a Install the right escape slide-pack-assembly (Ref. AMM TASK 25-62-44-400-802).
Subtask 52-10-00-720-055-B ** ON A/C NOT FOR ALL (1) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(2) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(3) If it is necessary to adjust the door locking mechanism:
(a) Remove the escape slide:
1 For the left door:
a If installed, remove the left escape slide-pack-assembly (Ref. AMM TASK 25-62-44-000-002).
2 For the right door:
a If installed, remove the right escape slide-pack-assembly (Ref. AMM TASK 25-62-44-000-802).
(b) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
(c) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(d) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(e) If necessary, adjust the door locking mechanism for:
1 The FWD passenger/crew door (Ref. AMM TASK 52-11-21-820-001)
2 The aft passenger/crew door (Ref. AMM TASK 52-13-21-820-001).
(f) Remove the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-080-001).
(g) Install the escape slide:
1 For the left door:
a Install the left escape slide-pack-assembly (Ref. AMM TASK 25-62-44-400-006).
2 For the right door:
a Install the right escape slide-pack-assembly (Ref. AMM TASK 25-62-44-400-802).
B. Functional Check of the Locking Mechanism
(1) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(2) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(3) If it is necessary to adjust the door locking mechanism:
(a) Remove the escape slide:
1 For the left door:
a If installed, remove the left escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-000-012).
2 For the right door:
a If installed, remove the right escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-000-804).
(b) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
(c) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(d) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(e) If necessary, adjust the door locking mechanism for:
1 The FWD passenger/crew door (Ref. AMM TASK 52-11-21-820-001)
2 The aft passenger/crew door (Ref. AMM TASK 52-13-21-820-001).
(f) Remove the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-080-001).
(g) Install the escape slide:
1 For the left door:
a Install the left escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-400-007).
2 For the right door:
a Install the right escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-400-803).
Subtask 52-10-00-010-056-A (1) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(2) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(3) If it is necessary to adjust the door locking mechanism:
(a) Remove the escape slide:
1 For the left door:
a If installed, remove the left escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-000-012).
2 For the right door:
a If installed, remove the right escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-000-804).
(b) Install the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-480-001).
(c) Operate the inner control handle and measure the load with the DYNAMOMETER 20 DAN (45 LBF) - PULL.
(d) Make sure that the load necessary to open the door is less than or equal to 18 daN (40.47 lbf).
(e) If necessary, adjust the door locking mechanism for:
1 The FWD passenger/crew door (Ref. AMM TASK 52-11-21-820-001)
2 The aft passenger/crew door (Ref. AMM TASK 52-13-21-820-001).
(f) Remove the 98D52103501000 BALLAST WEIGHT - PASSENGER CREW DOOR (Ref. AMM TASK 52-10-00-080-001).
(g) Install the escape slide:
1 For the left door:
a Install the left escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-400-007).
2 For the right door:
a Install the right escape-slide raft-pack-assembly (Ref. AMM TASK 25-62-44-400-803).
C. Open the passenger/crew door from the inner side.
5. Close-upSubtask 52-10-00-865-055-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-10-00-410-057-A | 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 |
B. Close Access
(1) Obey the special precautions after you complete the work on the door (Ref. AMM TASK 52-10-00-860-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close applicable passenger/crew door 831 ( 841) or 832 ( 842) (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
(1) Obey the special precautions after you complete the work on the door (Ref. AMM TASK 52-10-00-860-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close applicable passenger/crew door 831 ( 841) or 832 ( 842) (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
Inner Control Handle of the Passenger/Crew Door