Failure of the Selector Valve (closed)

TASK 32-42-00-810-814-A
Failure of the Selector Valve (closed)

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 32-42-00-870-001	Bleeding of the Normal Braking at the Brake Units
ASM 324201
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 32-42-36-860-001	Reactivation of the Normal-Brake Safety-Valve
AMM 32-46-00-740-005	BITE Test of BSCU - Normal Braking TEST

3. Fault Confirmation
Subtask 32-42-00-700-062-B

A. Test
(1) Do the BITE test of the Normal Braking System. AMM 32-46-00-740-005

Make sure that, on the panel 400VU the brake yellow pressure triple indicator shows the left and right side pressure values.
Do a check for leaks or rupture on the hydraulic pipes related to the Green system on a same landing gear.

4. Fault Isolation
Subtask 32-42-00-810-063-A

A. If you find leaks or rupture:

(1) If you do not find leaks or ruptures:

(2) If the fault continues:

do a check and repair the wiring between the BSCU (10GG) and the brake selector valve (23GG) ASM 324201.

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