Special Detailed Inspection of the Torque-Link Center Hinge-Pin
TASK 32-21-00-200-803-A
Special Detailed Inspection of the Torque-Link Center Hinge-Pin
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 32-21-00-941-091-A
Subtask 32-21-00-280-051-A
Subtask 32-21-00-942-067-A
[Rev.10 from 2021]
2026.04.01 00:41:49 UTC
Special Detailed Inspection of the Torque-Link Center Hinge-Pin
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
ZONE: 711
1. Reason for the JobNOTE: This task is only applicable for the NLG without the lock plate on the torque-link center hinge-pin.
For the NLG with the lock plate on the torque-link center hinge-pin, refer to TASK 32-21-00-220-802-A.
2. Job Set-up InformationFor the NLG with the lock plate on the torque-link center hinge-pin, refer to TASK 32-21-00-220-802-A.
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 711 | NOSE GEAR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 32-00-00-481-001-A | Installation of the Safety Devices on the Landing Gears |
| TASK 32-21-27-000-002-A | Removal of the Torque-Link Center Hinge |
| TASK 32-21-27-400-002-A | Installation of the Torque-Link Center Hinge |
| NTM 511014 | |
| TASK 32-21-27-400-002-A | Installation of the Torque-Link Center Hinge (for corrective action) |
Subtask 32-21-00-941-091-A
A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear or the landing gear doors.
(3) Make sure that the D23080000 PIN-GROUND LOCK,NLG or the MZ23080000 PIN-LOCKING is in position (Ref. AMM TASK 32-00-00-481-001).
Subtask 32-21-00-860-097-A (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear or the landing gear doors.
(3) Make sure that the D23080000 PIN-GROUND LOCK,NLG or the MZ23080000 PIN-LOCKING is in position (Ref. AMM TASK 32-00-00-481-001).
B. Aircraft Maintenance Configuration
(1) Remove the torque-link center hinge-pin (Ref. AMM TASK 32-21-27-000-002).
4. Procedure(1) Remove the torque-link center hinge-pin (Ref. AMM TASK 32-21-27-000-002).
Subtask 32-21-00-280-051-A
A. Special Detailed Inspection of the Torque-Link Center Hinge-Pin
(1) If the torque-link center hinge-pin is bent, replace it (Ref. AMM TASK 32-21-27-400-002).
(2) If the torque-link center hinge-pin is not bent:
(a) Do a penetrant inspection of the threads, the fork and the thread undercut of the torque-link center hinge-pin, NTM 511014.
1 Make sure that you do not remove the protective treatment of the torque-link center hinge-pin during the penetrant inspection.
2 Carefully examine the fork, the threads and the thread undercut and make sure that there is no damage.
3 If you find damage, replace the torque-link center hinge-pin (Ref. AMM TASK 32-21-27-400-002).
5. Close-up(1) If the torque-link center hinge-pin is bent, replace it (Ref. AMM TASK 32-21-27-400-002).
(2) If the torque-link center hinge-pin is not bent:
(a) Do a penetrant inspection of the threads, the fork and the thread undercut of the torque-link center hinge-pin, NTM 511014.
1 Make sure that you do not remove the protective treatment of the torque-link center hinge-pin during the penetrant inspection.
2 Carefully examine the fork, the threads and the thread undercut and make sure that there is no damage.
3 If you find damage, replace the torque-link center hinge-pin (Ref. AMM TASK 32-21-27-400-002).
Subtask 32-21-00-942-067-A
A. Put the aircraft back to its initial configuration.
(1) Install the torque-link center hinge-pin (Ref. AMM TASK 32-21-27-400-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Install the torque-link center hinge-pin (Ref. AMM TASK 32-21-27-400-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
NLG Torque-Link Center-Hinge