Failure of the Brake Selector Valve (Jammed Open)

TASK 32-42-00-810-843-A
Failure of the Brake Selector Valve (Jammed Open)

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 32-42-00-710-001	Operational Check of the Normal Braking System
AMM 32-42-11-000-001	Removal of the Brake Selector Valve
AMM 32-42-11-400-001	Installation of the Brake Selector Valve
AMM 32-42-34-000-001	Removal of the Braking/Steering Control Unit (BSCU)
AMM 32-42-34-400-001	Installation of the Braking/Steering Control Unit (BSCU)
AMM 32-46-00-740-003	BITE Test of the BSCU - LRU Identification
AMM 32-46-00-740-005	BITE Test of BSCU - Normal Braking TEST

3. Fault Confirmation
Subtask 32-42-00-710-055-A

A. Test
(1) Do the LRU IDENTIFICATION selection of the BSCU AMM 32-46-00-740-003

NOTE: Print or record the reference of the P/N of the BSCU which is shown on the LRU IDENTIFICATION page.

(2) If the BSCU LRU IDENTIFICATION gives the P/N C202XXXXXXXXX :

(3) If the BSCU LRU IDENTIFICATION gives a P/N other than P/N C202XXXXXXXXX :

4. Fault Isolation
Subtask 32-42-00-810-100-A

A. If the test confirms the fault:

(1) If the fault continues:

Subtask 32-42-00-710-056-A

B. Do the test given in Para.3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:31:33 UTC