Overpressure Valve of the Engine 2 Blocked in the Open Position

TASK 36-11-00-810-844-A
Overpressure Valve of the Engine 2 Blocked in the Open Position

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 361102
AMM 36-11-53-000-001	Removal of the Overpressure Valve
AMM 36-11-53-400-001	Installation of the Overpressure Valve
AMM 36-11-53-720-001	Functional Test of the Overpressure Valves with the Bleed Test Set P/N 98D36003000000

3. Fault Confirmation
Subtask 36-11-00-720-059-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the functional test of the engine 2 overpressure valve (5HA2) AMM 36-11-53-720-001.

4. Fault Isolation
Subtask 36-11-00-810-092-A ** ON A/C NOT FOR ALL

A. If the functional test of the engine 2 overpressure valve (5HA2) is not correct:

replace the VALVE-OVERPRESSURE, ENG 2 [5HA2] AMM 36-11-53-000-001 and AMM 36-11-53-400-001.

(1) If the fault continues:

do a check and repair the wiring from the overpressure valve to the BMC2 , pin A/1 to pin AA/10A ASM 361102.

(2) If the fault continues:

do a check and repair the wiring between pin A/2 of the overpressure valve and the ground terminal.

Subtask 36-11-00-810-092-B ** ON A/C NOT FOR ALL

A. If the functional test of the engine 2 overpressure valve (5HA2) is not correct:

replace the VALVE-OVERPRESSURE, ENG 2 [5HA2] AMM 36-11-53-000-001 and AMM 36-11-53-400-001.

(1) If the fault continues:

do a check and repair the wiring from the overpressure valve to the BMC2 , pin A/1 to pin AA/10A ASM 361102.

(2) If the fault continues:

do a check and repair the wiring between pin A/2 of the overpressure valve and the ground terminal.

Subtask 36-11-00-710-133-A ** ON A/C NOT FOR ALL

B. After the subsequent flight, make sure that the fault does not continue.

[Rev.8 from Aug 2018] 2026.04.04 04:33:44 UTC