Trapped pressure in a brake on NORM or ALTN braking system, or brake dragging

TASK 32-42-00-810-925-A
Trapped pressure in a brake on NORM or ALTN braking system, or brake dragging

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 32-42-36-000-001	Removal of the Normal Brake Safety-Valve
AMM 32-42-36-400-001	Installation of the Normal Brake Safety-Valve
AMM 32-43-16-000-001	Removal of the Alternate Brake Safety-Valve
AMM 32-43-16-400-001	Installation of the Alternate Brake Safety-Valve
AMM 32-43-32-000-001	Removal of the Alternate-Brake Manifold
AMM 32-43-32-400-001	Installation of the Alternate-Brake Manifold

3. Fault Confirmation
Subtask 32-42-00-710-093-A

A. Test
(1) Not applicable.

4. Fault Isolation
Subtask 32-42-00-810-193-A ** ON A/C NOT FOR ALL

A. If there was a report of brake malfunction during taxi or immediately after pushback:

replace the related:
SAFETY VALVE-NORM BRK, WHEEL 2 [2616GM] or SAFETY VALVE-NORM BRK, WHEEL 3 [2617GM] or SAFETY VALVE-NORM BRK, WHEEL 1 [2618GM] or SAFETY VALVE-NORM BRK, WHEEL 4 [2619GM] AMM 32-42-36-000-001 AMM 32-42-36-400-001.
SAFETY VALVE-ALTN BRK, WHEEL 1 [2620GM] or SAFETY VALVE-ALTN BRK, WHEEL 4 [2621GM] or SAFETY VALVE-ALTN BRK, WHEEL 2 [2622GM] or SAFETY VALVE-ALTN BRK, WHEEL 3 [2623GM] AMM 32-43-16-000-001 AMM 32-43-16-400-001

Subtask 32-42-00-810-193-E ** ON A/C NOT FOR ALL

A. If there was a report of brake malfunction during taxi or immediately after pushback:

replace the related:
SAFETY VALVE-NORM BRK, WHEEL 2 [2616GM] or SAFETY VALVE-NORM BRK, WHEEL 3 [2617GM] or SAFETY VALVE-NORM BRK, WHEEL 1 [2618GM] or SAFETY VALVE-NORM BRK, WHEEL 4 [2619GM] AMM 32-42-36-000-001 AMM 32-42-36-400-001.
MANIFOLD-ALTN BRK, L [2853GM] or MANIFOLD-ALTN BRK, R [2852GM] AMM 32-43-32-000-001 AMM 32-43-32-400-001.

[Rev.8 from Aug 2018] 2026.04.04 04:38:45 UTC