Check of the Fuel Quantity Indicating System, When the Center Tank Indication is Unserviceable

TASK 28-40-00-040-006-A
Check of the Fuel Quantity Indicating System, When the Center Tank Indication is Unserviceable

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
NO	YES	NO	0.3	0.3	1

1. Reason for the Job
MMEL 28-07-01-05A
CENTER TANK FUEL QUANTITY INDICATION ON THE FUEL SD PAGE
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 12-11-28-650-003-A	Pressure Refuel with Automatic Control
TASK 12-11-28-650-004-A	Pressure Refuel with Manual Control
TASK 12-11-28-650-007-A	Use of Magnetic Level Indicators (MLI)
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 28-00-00-910-001-A	Fuel Safety Procedures

3. Job Set-up
Subtask 28-40-00-941-063-A

A. Safety Precautions

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

(1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001).
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.

Subtask 28-40-00-860-057-A

B. Aircraft Maintenance Configuration
(1) Make sure that the aircraft is refueled for the next flight, (Ref. AMM TASK 12-11-28-650-003) or (Ref. AMM TASK 12-11-28-650-004).
(2) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).

4. Procedure
Subtask 28-40-00-040-059-A

A. Fuel Configuration
(1) To make sure that the center tank contains the correct quantity of fuel, do one of these subsequent steps:

read the FUEL QTY CTR display on the Fuel Quantity Indicator 6QT, on the Refuel/Defuel Control Panel 800VU,

or,
read the MLI 92QM (Ref. AMM TASK 12-11-28-650-007).

5. Close-up
Subtask 28-40-00-860-060-A

A. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(2) Put a WARNING NOTICE(S) in position to tell the flight crew that the center tank ECAM fuel quantity indication is unserviceable.
(3) Make a note in the aircraft technical log that the center tank ECAM fuel quantity indication is unserviceable.

Subtask 28-40-00-942-060-A

B. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the SAFETY BARRIERS.
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:18:03 UTC