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With flaps deployed, will be
posted only if the failure requires
corrective action.
FUEL IMBALANCE
Indicates that a fuel quantity imbalance
exists between the left and right wing
tanks of:
– More than 1100 lbs (499 kg) in flight
– Between 600 lbs (272 kg) and 1100
lbs (499 kg) on ground or in Takeoff /
Approach configuration.
FUEL LO QTY
Indicates fuel in the left or right
wing tank is less than 600 lbs
L (R) FUEL RECIRC FAIL (272 kg).
Indicates that the FRTT valve is
not in the commanded or
allowed position.
P I LOT T R A I N I N G GU I D E
FUEL SYSTEM
11-42 For Training Purposes Only
Sept 04
EICAS MESSAGES (Cont)
AFT XFER FAIL
APU FUEL SOV
L (R) ENG FUEL SOV
CTR FUEL XFER FAIL
WING FUEL HI TEMP
WING FUEL LO TEMP
L (R) WING FULL
L (R) PRI FUEL PUMP
L (R) AUX FUEL PUMP
CTR XFER FAULT
XFER VALVE OPEN
FUEL XFER ON
XFEED VALVE FAIL
APU FUEL SOV
Indicates that the APU fuel
shutoff valve has failed.
GX_11_027
L (R) WING FULL
Indicates that fuel quantity in
the left or right wing tank has
exceeded its maximum
allowable value.
L (R) AUX FUEL PUMP
Indicates that the auxiliary fuel
pump on the affected side has
failed to operate when
requested.
WING FUEL HI TEMP
Indicates that the left or right
wing fuel bulk temperature is
above the high temperature
limit.
L (R) ENG FUEL SOV
Indicates that the engine fuel
shutoff valve on the affected
side is not in its commanded
state.
XFER VALVE OPEN
Indicates that the wing transfer
valve has failed to close at the
completion of wing transfer
operation.
CTR FUEL XFER FAIL
Indicates that both left and right
center tank pumps have failed
to operate when requested.
WING FUEL LO TEMP
Indicates that either the left or
right wing fuel bulk temperature
is below -35°C.
L (R) PRI FUEL PUMP
Indicates that a single primary
fuel pump on the affected side
has failed to operate when
requested.
CTR XFER FAULT
Indicates a center fuel transfer
fault exists (either the left or
right fuel transfer is not
working).
FUEL XFER ON
Indicates that the left to right
transfer system is in the AUTO
mode of operation.
XFEED VALVE FAIL
Indicates that the crossfeed valve
is not in its commanded position.
AFT XFER FAIL
Both left and right aft transfer
components have failed to operate
when requested. Aft tank fuel is no
longer available.
For Training Purposes Only
Sept 04
11-43
P I LOT T R A I N I N G GU I D E
FUEL SYSTEM
EICAS MESSAGES (Cont)
FUEL XFER ON
XFER VALVE OPEN
AFT XFER FAULT
AFT XFER OFF SCHED
FUEL COMPUTR FAULT
FUEL QTY DEGRADED
FUEL RECIRC ON
L (R) R/D VALVE OPEN
AFT R/D VALVE OPEN
AFT XFER OFF SCHED
Indicates aft tank fuel
transfer to the wings, in
advance of the optimum
transfer schedule.
AFT XFER FAULT
Indicates that either a left
or right aft tank fuel
transfer component has
failed to operate when
requested.
FUEL COMPUTR FAULT
Indicates that either channel
of the computer has failed.
FUEL QTY DEGRADED
Indicates that the fuel
computer detects a loss of
fuel gauging accuracy.
FUEL RECIRC ON
On aircraft with FMQGC
pre-9 the fuel recirculation
system is operating in a
non-allowed configuration
L (R) R/D VALVE OPEN
The left or right defuel valve
has failed to close (after
defuel operation) when
requested.
XFER VALVE OPEN
Indicates that the wing
transfer valve has failed to
close at the completion of
wing transfer operation.
FUEL XFER ON
Indicates that the right to left
transfer system is in the
AUTO mode of operation.
GX_11_028
AFT R/D VALVE OPEN
The aft refuel/defuel valve
has failed to close after
refuel/defuel operation)
when requested.
P I LOT T R A I N I N G GU I D E
FUEL SYSTEM
11-44 For Training Purposes Only
Sept 04
EICAS MESSAGES (Cont)
L (R) PRI PUMPS OFF
L (R) AUX PUMP OFF
FUEL XFER ON
FUEL XFER ON
AFT FUEL XFER OFF
AFT FUEL XFER ON
WING FUEL XFER OFF
XFEED VALVE OPEN
L (R) ENG SOV CLSD
APU FUEL SOV CLSD
FUEL RECIRC ON
FUEL RECIRC OFF
L (R) PRI PUMPS OFF
Indicates that the left or right
forward and aft boost pumps
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