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L + R CTR PUMPS........................................................................................................... ON
�� WHEN CTR TANK EMPTY:
L + R CTR PUMPS..........................................................................................................OFF
T TANK FEED...............................................................................................................AUTO
�� WHEN T TANK EMPTY:
T TANK MODE.................................................................................................................... AUTO
L + R CTR PUMPS..................................................................................................................ON
JETTISON..................................................................................................................... AS RQRD
L2Note: 1. The caution is recalled at each step of the procedure or when the tank becomes empty.
2. If unsuccessful and if fuel is trapped in the trim tank Refer to PRO-ABN-28 TRIM TANK
FUEL UNUSABLE
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
FUEL
A330/A340 FLEET PRO-ABN-28 P 54/98
FCOM 19 AUG 10
FUEL TRIM LINE FAULT (Cont'd)
(TRIM LINE ISOLATION VALVE FAILED OPEN AND CENTER TANK NOT EMPTY)
L2 This caution is triggered in case of trim line isolation valve failure in open position.
L1 JETTISON �� ..............................................................................................................................OFF
L + R CTR PUMPS.......................................................................................................................OFF
T TANK MODE...........................................................................................................................FWD
L2Note: If the trim tank pump is failed, this part of the procedure is replaced by:
�� WHEN SPD > 270 KT AND IN CLIMB:
T TANK MODE....................................................................................................... FWD
L1�� If CG forward 32 %:
L2 Trim tank transfer has to initiated in two steps.
L1�� WHEN T TANK < 2.4 T:
T TANK FEED.................................................................................................................ISOL
L + R CTR PUMPS........................................................................................................... ON
�� WHEN CTR TANK EMPTY:
L + R CTR PUMPS..........................................................................................................OFF
T TANK FEED...............................................................................................................AUTO
�� WHEN T TANK EMPTY:
T TANK MODE.................................................................................................................... AUTO
L + R CTR PUMPS..................................................................................................................ON
JETTISON �� ..............................................................................................................AS RQRD
L2Note: 1. The caution is recalled at each step of the procedure or when the tank becomes empty.
2. If unsuccessful and if fuel is trapped in the trim tank Refer to PRO-ABN-28 TRIM TANK
FUEL UNUSABLE
To be continued on next page
A330/A340 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
ABNORMAL AND EMERGENCY PROCEDURES
FUEL
A330/A340 FLEET PRO-ABN-28 P 55/98
FCOM 19 AUG 10
FUEL TRIM LINE FAULT (Cont'd)
(TRIM LINE ISOLATION VALVE FAILED OPEN AND CENTER TANK NOT EMPTY)
L12
STATUS
APPR PROC
�� IF T TANK NOT EMPTY:
T TANK FEED................................................................. ISOL
�� ____________AT SLATS EXTENSION:
T TK XFR.......................................................................AUTO
T TK FEED.................................................................... AUTO
Manual forward transfers must be stopped at slats extension, to
avoid CG changes during approach.
INOP SYS
FUEL AFT XFR
APU (When TTK isol)
FUEL TRIM LINE FAULT - FWSPAGE
(TRIM LINE ISOLATION VALVE FAILED OPEN AND CENTER TANK NOT EMPTY)
Applicable to:
L12
STATUS
APPR PROC
�� IF T TANK NOT EMPTY:
T TANK FEED................................................................. ISOL
�� AT SLATS EXTENSION:
T TK XFR.......................................................................AUTO
T TK FEED.................................................................... AUTO
Manual forward transfers must be stopped at slats extension, to
avoid CG changes during approach.
INOP SYS
　
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