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or starter duct.
Objective: To isolate the heat source, or reduce the
flow of bleed air through the leak.
Note: Avoid icing conditions. Anti-ice is not
available to the affected engine.
ANTI–ICE LEAK ENG message blanks:
􀂠􀂠􀂠􀂠
ANTI–ICE LEAK ENG 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 3.7
3.7
PACK
8 Wait 1 minute.
9 Choose one:
10 A/T ARM switch (affected side). . . . . . . . . . . OFF
11 Thrust lever (affected side) . . . . . . . . . . . . . Idle
12 Transponder mode selector . . . . . . . . . . TA ONLY
13 Do not accomplish the following checklist:
AUTOTHROTTLE
􀀙 Continued on next page 􀀙
􀀙ANTI–ICE LEAK ENG L, R continued􀀙
ANTI–ICE LEAK ENG message blanks:
􀂠􀂠􀂠􀂠
ANTI–ICE LEAK ENG message stays shown:
􀁦􀁦Go to step 10
Note: Run the engine at idle for the rest of the
flight.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
3.8
3.8
14 Choose one:
15 Checklist Complete Except Deferred Items
Descent Checklist
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing data . . . . . . . . VREF 20, Minimums ___
Approach briefing . . . . . . . . . . . . . . . . Completed
Approach Checklist
Altimeters . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing Checklist
Speedbrake . . . . . . . . . . . . . . . . . . . . . . . ARMED
􀀙 Continued on next page 􀀙
􀀙ANTI–ICE LEAK ENG L, R 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 15
Landing using flaps 30 (performance
permitting):
Note: Use flaps 30 and VREF 30 for
landing and flaps 20 for go-around.
􀂠􀂠􀂠􀂠
Deferred Items
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 3.9
3.9
Landing gear . . . . . . . . . . . . . . . . . . . . . . DOWN
Flaps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
􀂠􀂠􀂠􀂠
􀂠􀂠􀂠􀂠
1 ENGINE ANTI–ICE
selectors (both) . . . . . . . . . . . . . . . AUTO or OFF
2 WING ANTI–ICE selector . . . . . . . . . AUTO or OFF
􀂠􀂠􀂠􀂠
􀀙ANTI–ICE LEAK ENG L, R continued􀀙
ANTI–ICE LOSS ENG L, R
Condition: Anti–ice bleed air for the engine is not
available.
[] ANTI–ICE ON
Condition: All of these occur:
•An ANTI-ICE selector is ON
•TAT is more than 10 degrees C
•Ice is not detected
Objective: To correctly configure the ANTI-ICE
selectors.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
3.10
3.10
1 WING ANTI–ICE selector . . . . . . . . .OFF, then ON
2 Choose one:
􀂠􀂠􀂠􀂠
􀂠􀂠􀂠􀂠
[] ANTI–ICE WING
Condition: One or both wing anti–ice valves are failed
closed.
ANTI–ICE WING message blanks:
Operate wing anti–ice manually.
􀂠􀂠􀂠􀂠
ANTI–ICE WING message stays shown:
WING ANTI–ICE selector. . . . . . . . . . OFF
􀂠􀂠􀂠􀂠
[] HEAT PITOT C
Condition: The center pitot probe heat is failed.
Note: Standby air data is unreliable in icing
conditions.
[] HEAT PITOT L
Condition: The left pitot probe heat is failed.
Note: Air data is not affected by a single pitot heat
failure. Ensure that the right AIR DATA/ATT
source switch remains off.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 3.11
3.11
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