Loss of the System Pressure of the Blue and Yellow Hydraulic Systems

TASK 29-10-00-810-803-A
Loss of the System Pressure of the Blue and Yellow Hydraulic Systems

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 29-12-00-810-805-A	Loss of the System Pressure of the Blue Hydraulic System
TSM TASK 29-13-00-810-805-A	Loss of the System Pressure of the Yellow Hydraulic System
AMM 71-00-00-710-003	Engine Automatic Start
AMM 71-00-00-710-028	Engine Shutdown

3. Fault Confirmation
Subtask 29-10-00-710-052-A ** ON A/C NOT FOR ALL

A. Start the RH engine AMM 71-00-00-710-003.
(1) Look for fault indications on the upper ECAM DU and the lower ECAM DU.
(2) Shut down the RH engine AMM 71-00-00-710-028.

Subtask 29-10-00-710-052-C ** ON A/C NOT FOR ALL

A. Start the RH engine AMM 71-00-00-710-003.
(1) Look for fault indications on the upper ECAM DU and the lower ECAM DU.
(2) Shut down the RH engine AMM 71-00-00-710-028.

4. Fault Isolation
Subtask 29-10-00-810-052-A

A. If the fault confirmation gives:

the message HYD B+Y SYS LO PR on the upper ECAM DU.
do the fault isolation procedure (Ref. TSM TASK 29-12-00-810-805) and (Ref. TSM TASK 29-13-00-810-805).

[Rev.8 from Aug 2018] 2026.04.04 04:29:18 UTC