曝光台 注意防骗
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HYD PRESS SYS C continued
Notes:Use flaps 20 and VREF 20 for landing. This
ensures adequate go–around performance
due to slower slat/flap operation in
secondary mode.
The roll rate may be reduced in flight.
Speedbrake effectiveness may be reduced in
flight and during landing.
Do not arm the speedbrake lever. This
prevents inadvertent inflight extension.
Manually extend the speedbrakes after
landing.
For go–around, do not exceed the gear
EXTEND limit speed (270 knots/.82 Mach).
Deferred Items
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 13.7
13.7
Flap extension
Initiate flap extension as required.
Do not accomplish the following checklists:
FLAPS PRIMARY FAIL
SLATS PRIMARY FAIL
Alternate gear extension
Landing gear lever . . . . . . . . . . . . . . . . . . . . . DN
ALTN GEAR
extend switch . . . . . . . . . . Push to DOWN and hold
until all gear indicate in-transit
A reduction of airspeed to below 240 knots may be
necessary for the landing gear to lock down.
Do not accomplish the following checklist:
GEAR DOOR
Landing Checklist
Speedbrake . . . . . . . . . . . . . . . . . . . . . . . .DOWN
Landing gear . . . . . . . . . . . . . . . . . . . . . . DOWN
Flaps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
HYD PRESS SYS C continued
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
13.8
13.8
1 L ELEC DEMAND pump selector . . . . . . . . . . .ON
2 Choose one:
3 L ENG PRIMARY pump switch . . . . . . . . . . . . .Off
4 L ELEC DEMAND pump selector . . . . . . . . . . OFF
5 Do not accomplish the following checklist:
SPOILERS
[] HYD PRESS SYS L
Condition: The hydraulic system pressure is low.
HYD PRESS SYS L message blanks:
HYD PRESS SYS L message stays shown:
Go to step 3
Notes:The left thrust reverser is inoperative.
Roll rate may be reduced in flight.
Speedbrake effectiveness may be reduced in
flight and during landing.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 13.9
13.9
Intentionally
Blank
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
13.10
13.10
1 L ELEC DEMAND pump selector . . . . . . . . . . .ON
2 C1 or C2 AIR DEMAND pump selector . . . . . . .ON
3 Choose one:
4 L ENG PRIMARY pump switch . . . . . . . . . . . . .Off
5 C2 ELEC PRIMARY pump switch . . . . . . . . . . .Off
6 L ELEC DEMAND pump selector . . . . . . . . . . OFF
7 C1 and C2 AIR DEMAND pump selectors . . . . OFF
8 Handling qualities are degraded. Pitch and roll
control capability is reduced with fewer operating
control surfaces.
9 Plan to land at the nearest suitable airport.
10 GND PROX FLAP OVRD switch . . . . . . . . . .OVRD
11 Do not accomplish the following checklists:
AUTO SPEEDBRAKE
FLIGHT CONTROLS
Continued on next page
[] HYD PRESS SYS L+C
Condition: Two hydraulic system pressures are low.
Objective: To attempt to restore system pressure and
configure for landing using alternate
systems, if needed.
HYD PRESS SYS L+C message blanks:
HYD PRESS SYS L+C message stays shown:
Go to step 4
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 13.11
13.11
SPOILERS
[777-200]
[777-200ER]
[777-300]
Continued on next page
HYD PRESS SYS L+C continued
Note: Inoperative Items
Multiple flight control surfaces inop
Handling qualities are degraded.
Primary flap and slat operation inop
Plan additional time for slower flap and slat
operation.
Main landing gear hydraulic operation inop
Alternate gear extension is needed.
Left thrust reverser inop
Right thrust reverser is available.
Main gear steering inop
Tires may scrub during turns.
Note: Slats will extend beyond midrange when
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波音777快速检查单 Quick Reference Handbook QRH(65)
