Loss of Parking Brake on One Landing Gear
TASK 32-45-00-810-802-A
Loss of Parking Brake on One Landing Gear
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 32-45-00-710-050-A 4. Fault Isolation
Subtask 32-45-00-810-051-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:31:45 UTC
Loss of Parking Brake on One Landing Gear
1. Possible Causes
- DUAL SHUTTLE VALVE-BRK YELLOW PRESS [2578GM]
- MANIFOLD-ALTN BRK, L [2853GM]
- MANIFOLD-ALTN BRK, R [2852GM]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 32-43-32-000-001 | Removal of the Alternate-Brake Manifold |
| AMM 32-43-32-400-001 | Installation of the Alternate-Brake Manifold |
| AMM 32-45-00-710-001 | Operational Check of the Parking Brake System |
| AMM 32-45-16-000-001 | Removal of the Dual Shuttle Valve |
| AMM 32-45-16-400-001 | Installation of the Dual Shuttle Valve |
Subtask 32-45-00-710-050-A 4. Fault Isolation
Subtask 32-45-00-810-051-A ** ON A/C NOT FOR ALL
A. If the brake Yellow pistons do not operate on one landing gear:
Subtask 32-45-00-810-051-B ** ON A/C NOT FOR ALL - replace the DUAL SHUTTLE VALVE-BRK YELLOW PRESS [2578GM] AMM 32-45-16-000-001 and AMM 32-45-16-400-001.
A. If the brake Yellow pistons do not operate on one landing gear:
- replace the related MANIFOLD-ALTN BRK, L [2853GM] or MANIFOLD-ALTN BRK, R [2852GM] AMM 32-43-32-000-001 AMM 32-43-32-400-001.