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[] HYD AUTO CONTROL L, R
Condition: Both of the following occur:
•Automatic control of both center demand
pumps fails
•System indications fail
[] HYD OVERHEAT DEM C1, C2, L, R
Condition: The pump temperature is high.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
13.2
13.2
1 ELEC PRIMARY pump switch. . . . . . . . . . . . . .Off
2 Do not accomplish the following checklist:
HYD PRESS PRI
􀂠􀂠􀂠􀂠
1 ENG PRIMARY pump switch . . . . . . . . . . . . . .Off
2 Do not accomplish the following checklist:
HYD PRESS PRI
􀂠􀂠􀂠􀂠
[] HYD OVERHEAT PRI C1, C2
Condition: The pump temperature is high.
[] HYD OVERHEAT PRI L, R
Condition: The pump temperature is high.
Note: Thrust reverser on the affected side may be
inoperative.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 13.3
13.3
1 DEMAND pump selector . . . . . . . . . . . . . . . .ON
2 Choose one:
1 ELEC PRIMARY pump switch . . . . . . . . . . . . . Off
􀂠􀂠􀂠􀂠
1 ENG PRIMARY pump switch . . . . . . . . . . . . . . Off
􀂠􀂠􀂠􀂠
[] HYD PRESS DEM C1, C2, L, R
Condition: Demand pump output pressure is low when
commanded on.
HYD PRESS DEM message blanks:
􀂠􀂠􀂠􀂠
HYD PRESS DEM message stays shown:
DEMAND pump selector . . . . . . . . . . OFF
􀂠􀂠􀂠􀂠
[] HYD PRESS PRI C1, C2
Condition: The pump pressure is low.
[] HYD PRESS PRI L, R
Condition: The pump pressure is low.
Note: Thrust reverser on the affected side may be
inoperative.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
13.4
13.4
1 C1 or C2 AIR DEMAND pump selector . . . . . . .ON
2 Choose one:
3 C2 ELEC PRIMARY pump switch . . . . . . . . . . .Off
4 C1 and C2 AIR DEMAND pump selectors . . . . OFF
5 GND PROX FLAP OVRD switch . . . . . . . . . .OVRD
6 Do not accomplish the following checklists:
AUTO SPEEDBRAKE
SPOILERS
􀀙 Continued on next page 􀀙
[] HYD PRESS SYS C
Condition: The hydraulic system pressure is low.
Objective: To attempt to restore system pressure and
configure for landing using alternate
systems, if needed.
HYD PRESS SYS C message blanks:
􀂠􀂠􀂠􀂠
HYD PRESS SYS C message stays shown:
􀁦􀁦Go to step 3
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 13.5
13.5
[777-200]
[777-200ER]
[777-300]
[777-200LR, 777-300ER]
􀀙 Continued on next page 􀀙
􀀙HYD PRESS SYS C continued􀀙
Note: Inoperative Items
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.
Main gear steering inop
Tires may scrub during turns.
Note: Slats will extend beyond midrange when
airspeed is below 215 knots. For go–around,
do not exceed 215 knots until slats retract to
midrange.
Note: Slats will extend beyond midrange when
airspeed is below 239 knots. For go–around,
do not exceed 239 knots until slats retract to
midrange.
Note: Slats will extend beyond midrange when
airspeed is below 246 knots. For go-around,
do not exceed 246 knots until slats retract to
midrange.
Note: Slats will extend beyond midrange when
airspeed is below 256 knots. For go-around,
do not exceed 256 knots until slats retract to
midrange.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
13.6
13.6
7 Checklist Complete Except Deferred Items
Descent Checklist
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing data . . . . . . . . VREF 20, Minimums ___
Approach briefing . . . . . . . . . . . . . . . . Completed
Approach Checklist
Altimeters . . . . . . . . . . . . . . . . . . . . . . . . . . ___
　
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