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Note: After engine shutdown, all remaining fuel can
be used for the operating engine. Resume
normal fuel management procedures. Plan to
balance fuel when the FUEL IMBALANCE
message shows.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
12.20
12.20
28 Choose one:
29 Choose one:
30 FUEL CROSSFEED switch (either) . . . . . . . . . . On
This ensures that fuel is available to both
engines if the low tank empties.
[Auxiliary Fuel Tank]
31 AUX fuel switch . . . . . . . . . . . . . . . . . . . . . .ON
Continued on next page
Fuel Leak continued
Landing using flaps 20:
GND PROX FLAP OVRD switch . . . . .OVRD
Note: Use flaps 20 and VREF 20 for
landing and flaps 5 for go-around.
Go to step 29
Landing using flaps 30 (performance
permitting):
Note: Use flaps 30 and VREF 30 for
landing and flaps 20 for go-around.
Go to step 29
FUEL QTY LOW message is blank:
Go to step 36
FUEL QTY LOW message shows:
Go to step 30
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 12.21
12.21
32 Fuel PUMPS switches (all) . . . . . . . . . . . . . . .ON
This ensures that all fuel is available for use.
33 Plan to land at the nearest suitable airport.
34 GND PROX FLAP OVRD switch . . . . . . . . . . OVRD
35 Do not accomplish the following checklist:
FUEL QTY LOW
36 Checklist Complete Except Deferred Items
Continued on next page
Fuel Leak continued
Notes:Use flaps 20 and VREF 20 for landing.
Increased speed at flaps 20 provides
improved elevator control for landing flare in
the event of dual engine flameout.
Avoid high nose up attitude and excessive
acceleration or deceleration. This prevents
forward pumps from uncovering.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
12.22
12.22
Descent Checklist
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing data . . . . . . . . . . . . VREF20 or VREF30,
Minimums___
Approach briefing . . . . . . . . . . . . . . . . Completed
Approach Checklist
Altimeters . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing Checklist
Speedbrake . . . . . . . . . . . . . . . . . . . . . . . ARMED
Landing gear . . . . . . . . . . . . . . . . . . . . . . DOWN
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 or 30
Continued on next page
Fuel Leak continued
Deferred Items
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 12.23
12.23
One or more of the following may be evidence of a
fuel leak:
•A visual observation of fuel spray from a strut or an
engine
•An excessive engine fuel flow
•The total fuel quantity decreasing at an abnormal
rate
•The FUEL DISAGREE message shows on EICAS
•The FUEL IMBALANCE message shows on EICAS
•The FUEL QTY LOW message shows on EICAS
•The INSUFFICIENT FUEL message shows on a CDU
scratchpad
[Auxiliary Fuel Tank]
Fuel Leak continued
Additional Information
FUEL LOW AUX
Condition: The auxiliary tank fuel quantity is at the level
where the aux fuel switch must be off.
FUEL LOW CENTER
Condition: The center wing tank fuel quantity is at the
level where the pump switches must be off.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
12.24
12.24
1 Fuel PUMPS FWD and AFT switches
(affected side) . . . . . . . . . . . . . . . . . . . . . . .Off
2 Do not accomplish the following checklists:
FUEL IMBALANCE
FUEL PUMP AFT
FUEL PUMP FWD
3 Choose one:
4 FUEL CROSSFEED switch (either) . . . . . . . . . . On
This allows fuel from an inoperative pump side
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波音777快速检查单 Quick Reference Handbook QRH(61)
