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minimum braking consistent with the runway
conditions to reduce the possibility of a tire
blowout.
AUTOBRAKE
Condition: One of these occurs:
•the autobrake system is disarmed
•the autobrake system is failed
[] BRAKE SOURCE
Condition: Normal, alternate, and reserve brake system
pressures are low.
Note: Only accumulator pressure is available for
braking. During landing rollout, apply steady,
increasing brake pressure and hold to a full
stop. Do not taxi.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
14.2
14.2
1 Choose one:
[] BRAKE TEMP
Condition: One or more brake temperatures are high.
In flight:
Do not exceed the gear EXTEND limit speed
(270 knots/.82 Mach).
Landing gear lever . . . . . . . . . . . . . . .DN
When the BRAKE TEMP message blanks:
Wait 8 minutes.
Landing gear lever. . . . . . . . . . . UP
On the ground:
Refer to the Recommended Brake Cooling
Schedule table in the Performance Inflight
chapter for the required cooling time.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 14.3
14.3
Intentionally
Blank
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
14.4
14.4
1 Choose one:
2 ALTN GEAR
extend switch. . . . . . . . . Push to DOWN and hold
until all gear indicate in transit
Continued on next page
[] GEAR DISAGREE
Condition: The gear position disagrees with the landing
gear lever position.
Objective: To extend the gear using alternate gear
extension, or land on the available gear.
Note: Do not exceed the gear EXTEND limit speed
(270 knots/.82 Mach).
Landing gear lever UP:
Note: Flight with the gear down increases
fuel consumption and decreases
climb performance. Refer to the
Gear Down tables in the
Performance Inflight chapter for
flight planning.
Do not accomplish the following checklists:
AUTO SPEEDBRAKE
GEAR DOOR
Landing gear lever DN:
Go to step 2
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 14.5
14.5
3 Reduction of airspeed to below 240 knots may be
necessary for the gear to lock down.
4 Do not accomplish the following checklist:
GEAR DOOR
5 Wait 30 seconds.
6 Choose one:
7 Plan to land on the available gear.
8 GND PROX GEAR OVRD switch . . . . . . . . . . OVRD
9 Checklist Complete Except Deferred Items
Continued on next page
GEAR DISAGREE continued
All gear indicate DN:
Any gear indicate UP or in transit:
Go to step 7
Notes:Use flaps 30 for landing. This gives the
slowest landing speed.
Do not arm the speedbrake lever.
When stopping distance is critical, extend the
speedbrakes after all gear, or the nose, or
the engine nacelle have contacted the
runway.
Do not use the thrust reversers unless
stopping distance is critical.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
14.6
14.6
Descent Checklist
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing data . . . . . . . . VREF 30, Minimums ___
Approach briefing . . . . . . . . . . . . . . . . Completed
Approach Checklist
Altimeters . . . . . . . . . . . . . . . . . . . . . . . . _____
When at pattern altitude:
OUTFLOW VALVE switches (both) . . . . . . .MAN
OUTFLOW VALVE MANUAL
switches (both) . . . . . . . . . Push to OPEN and
hold until the outflow
valve displays show fully
open to depressurize the airplane
[Auxiliary Fuel Tank]
AUX fuel switch . . . . . . . . . . . . . . . . . . . .Off
Fuel PUMPS switches (all) . . . . . . . . . . . . .Off
Do not accomplish the following checklists:
CABIN ALTITUDE AUTO
FUEL PRESS ENG L
FUEL PRESS ENG R
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波音777快速检查单 Quick Reference Handbook QRH(70)
