High Pressure Bleed Valve of the Engine 1 Blocked in the Open Position

TASK 36-11-00-810-802-A
High Pressure Bleed Valve of the Engine 1 Blocked in the Open Position

1. Possible Causes

VALVE-HP BLEED [4000HA]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 36-11-51-000-040	Removal of the High Pressure Bleed Valve
AMM 36-11-51-000-042	Removal of the High Pressure Bleed Valve
AMM 36-11-51-400-040	Installation of the High Pressure Bleed Valve
AMM 36-11-51-400-042	Installation of the High Pressure Bleed Valve

3. Fault Confirmation
Subtask 36-11-00-710-084-A ** ON A/C NOT FOR ALL

A. Test
(1) Not applicable, the fault is evident.

4. Fault Isolation
Subtask 36-11-00-810-068-A ** ON A/C NOT FOR ALL

A. If the fault symptom is identified by the maintenance message:
HP BLEED-V 4000HA
and if the bleed temperature indication is more than 255 deg.C plus or minus 5 deg.C:

replace the VALVE-HP BLEED [4000HA] AMM 36-11-51-000-042 and AMM 36-11-51-400-042.

Subtask 36-11-00-810-068-B ** ON A/C NOT FOR ALL

A. If the fault symptom is identified by the maintenance message:
HP BLEED-V 4000HA
and if the bleed-temperature indication is more than 255 plus or minus 5°C:

Replace the VALVE-HP BLEED [4000HA] AMM 36-11-51-000-040 and AMM 36-11-51-400-040.

Subtask 36-11-00-710-085-A ** ON A/C NOT FOR ALL

B. Test
(1) Do the engine start procedure.
(2) Make sure that the ECAM warning AIR ENG 1 BLEED FAULT is not shown on the upper ECAM DU.

[Rev.8 from Aug 2018] 2026.04.04 04:33:39 UTC