Fuel Pumps (All) - Failure

TASK 28-21-00-810-839-A
Fuel Pumps (All) - Failure

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

1. Possible Causes

Troubleshoot the fault symptoms given for each unserviceable system

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 28-21-00-710-001	Operational Test of the Wing-Tank Fuel Control
AMM 28-21-00-720-001	Functional Test of the Center-Tank Fuel Control
AMM 28-26-00-710-001	Operational Test of the Main Transfer System

3. Fault Confirmation
Subtask 28-21-00-710-085-B ** ON A/C NOT FOR ALL

A. Test
(1) Do the:
(a) Operational Test of the Wing-Tank Fuel Control AMM 28-21-00-710-001.
(b) Functional Test of the Center-Tank Fuel Control AMM 28-21-00-720-001.

Subtask 28-21-00-710-085-C ** ON A/C NOT FOR ALL

A. Test
(1) Do the:
(a) Operational Test of the Wing-Tank Fuel Control AMM 28-21-00-710-001.
(b) Operational Test of the Main Transfer System AMM 28-26-00-710-001.

4. Fault Isolation
Subtask 28-21-00-810-085-B

A. Procedure
(1) Examine the items that follow:

the upper ECAM display, for FUEL warnings and inoperative systems
the lower ECAM display (FUEL system/status page), for unserviceable flags and variable elements
the overhead FUEL control panel 40VU, P/BSWs for fault indications.

(2) Troubleshoot the fault symptoms given for each unserviceable system .

[Rev.8 from Aug 2018] 2026.04.04 04:28:38 UTC