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• L (R) FUEL FILTER ..................................................ABNORM 9−4
• L (R) FUEL LO PRESS ............................................ABNORM 9−4
• L (R) FUEL LO TEMP ..............................................ABNORM 9−5
• BULK FUEL TEMP ...................................................ABNORM 9−5
• L (R) FUEL PUMP ....................................................ABNORM 9−6
• Motive Flow Failure ...................................................ABNORM 9−7
• L (R) SCAV EJECTOR .............................................ABNORM 9−8
• PRI TAIL XFER PUMP .............................................ABNORM 9−9
• SEC TAIL XFER PUMP .........................................ABNORM 9−10
• AUTO TAIL XFER ..................................................ABNORM 9−11
• AUTO TAIL XFER INHIB .......................................ABNORM 9−12
• TAIL XFER SOV CLSD ..........................................ABNORM 9−13
• TAIL XFER SOV OPEN .........................................ABNORM 9−14
• TAIL XFER SOV ....................................................ABNORM 9−15
• TAIL TANK HEAVY ................................................ABNORM 9−16
• AUX TANK HEAVY ................................................ABNORM 9−17
• FUEL XFLOW SOV OPEN ....................................ABNORM 9−18
• L (R) TO AUX Crossflow Valve Fails to Close ........ABNORM 9−18
• Aux Tank Contents Increasing Abnormally.............ABNORM 9−18
• DUMP VALVE OPEN .............................................ABNORM 9−19
• TAIL DUMP SOV ...................................................ABNORM 9−19
• Loss of Tail Tank Fuel Quantity Indication ..............ABNORM 9−19
• Loss of Auxiliary Tank Fuel Quantity Indication ......ABNORM 9−20
• Loss of Wing Tank Fuel Quantity Indication............ABNORM 9−21
• Loss of Totalizer Fuel Quantity Indication ...............ABNORM 9−21
• Fuel Leak ................................................................ABNORM 9−22
ABNORM 9-1
REV 74, Nov 07/08
QUICK REFERENCE HANDBOOK
PSP 604-15 FUEL MALFUNCTIONS
FUEL IMBALANCE
FUEL IMBALANCE
CAUTION
If a FUEL IMBALANCE caution
message is displayed:
• Do not taxi until imbalance is
rectified.
• Do not land until imbalance is
rectified, unless a greater
emergency exists.
NOTE
1. The maximum permissible fuel imbalance for taxi,
take-off and landing is 182 kg (400 lb);
2. The maximum permissible fuel imbalance in flight
is 363 kg (800 lb).
(1) Fuel distribution ...........................................................MONITOR
Affected high tank:
(2) L (R) TO AUX XFLOW ...................................................... OPEN
(3) Tank quantities ............................................................MONITOR
When tank quantities have equalized:
(4) Affected L (R) TO AUX XFLOW ...................................... CLOSE
Fuel imbalance persists:
Yes
(5) GRAVITY/XFLOW..................................................... OPEN
NOTE
1. A steady heading sideslip will accelerate
gravity crossflow operation. Fly one wing low
slip (on the side with less fuel) to ensure
proper operation and to accelerate gravity
crossflow.
2. During uncoordinated flight, fuel indications
are inaccurate. Accurate fuel indications will
be obtained after 30 seconds when level and
stabilized in coordinated flight.
On the low quantity side:
(6) Affected engine......................................REDUCE THRUST
(7) Tank quantities ....................................................MONITOR
When main tank quantities have equalized:
(8) GRAVITY/XFLOW................................................... CLOSE
(9) Tank quantities ....................................................MONITOR
ABNORM 9-2
REV 66, Feb 01/07
▼
QUICK REFERENCE HANDBOOK
PSP 604-15 FUEL MALFUNCTIONS
FUEL IMBALANCE (Cont’d)
Imbalance persists (fuel leak from wing tank is suspected):
Yes
(10) Fuel Leak Procedure ............................ ACCOMPLISH
(See Page ABNORM 9–22)
− END −
No
(5) No further action required.
END
L (R) ENG SOV
L ENG SOV or R ENG SOV
Engine SOV failed to close after engine shutdown due to fire:
Yes
(1) L & R BOOST PUMPs.................................. ENSURE OFF
(2) Land at the nearest suitable airport.
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庞巴迪挑战者快速检查单Quick Reference Handbook(81)
