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•The engine fuel valve is not in the
commanded position
•The fuel spar valve is not in the
commanded position
ENG IDLE DISAGREE
Condition: One engine is at approach idle and the other
engine is at minimum idle.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 7.35
7.35
[GE Engines]
1 Monitor EGT during start to prevent an EGT
exceedance. Autostart allows EGT to exceed the
in-flight start limit.
2 The engine may accelerate to idle very slowly,
especially at high altitudes. The time from fuel
control switch to RUN to stabilized idle may be as
long as two and a half minutes.
3 Slow acceleration may be incorrectly interpreted as
a hung start or engine malfunction. If N2 is steadily
increasing and EGT remains within limits, the start
is progressing normally.
􀀙 Continued on next page 􀀙
Eng In–flight Start L, R
Condition: An engine start is needed after a shutdown
with no fire or apparent damage.
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
7.36
7.36
4 Choose one:
5 Choose one:
􀀙 Continued on next page 􀀙
􀀙Eng In–flight Start L, R continued􀀙
X-BLD shows:
START/IGNITION selector
(affected side) . . . . . . . . . . . . . . . START
􀁦􀁦Go to step 5
X-BLD is blank:
FUEL CONTROL switch
(affected side) . . . . . . . . . . . . . . . . .RUN
If an abort start condition as listed in
normal procedures occurs:
FUEL CONTROL switch
(affected side) . Confirm. . CUTOFF
􀁦􀁦Go to step 7
Autostart is on:
FUEL CONTROL switch
(affected side) . . . . . . . . . . . . . . . . .RUN
􀁦􀁦Go to step 6
Autostart is off:
When at maximum motoring speed:
FUEL CONTROL switch
(affected side) . . . . . . . . . . . . RUN
􀁦􀁦Go to step 6
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 7.37
7.37
6 If an abort start condition as listed in normal
procedures occurs:
FUEL CONTROL switch
(affected side) . . . . . . Confirm . . . . . CUTOFF
START/IGNITION selector
(affected side) . . . . . . . . . . . . . . . . . . .NORM
7 Choose one:
􀀙Eng In–flight Start L, R continued􀀙
Engine starts and runs normally:
GND PROX FLAP OVRD switch . . . . . . . Off
Transponder mode selector . . . . . . .TA/RA
􀂠􀂠􀂠􀂠
Engine fails to start:
Plan to land at the nearest suitable airport.
􀂠􀂠􀂠􀂠
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC
7.38
7.38
[PW Engines]
1 Engine may accelerate to idle very slowly,
especially at high altitudes.
2 Slow acceleration may be incorrectly interpreted as
a hung start or engine malfunction. If N2 is steadily
increasing and EGT remains within limits, the start
is progressing normally.
3 Choose one:
􀀙 Continued on next page 􀀙
Eng In-Flight Start L, R
Condition: An engine start is needed after a shutdown
with no fire or apparent damage.
X-BLD shows:
START/IGNITION selector
(affected side) . . . . . . . . . . . . . . . START
􀁦􀁦Go to step 4
X-BLD is blank:
FUEL CONTROL switch
(affected side) . . . . . . . . . . . . . . . . .RUN
If EGT does not increase in 30 seconds, or
another abort start condition as listed in
normal procedures occurs:
FUEL CONTROL switch
(affected side) . Confirm. . CUTOFF
􀁦􀁦Go to step 6
December 10, 2007
777 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
D632W001-TBC 7.39
7.39
4 Choose one:
5 If EGT does not increase in 30 seconds, or another
abort start condition as listed in normal procedures
occurs:
FUEL CONTROL switch
(affected side) . . . . . . Confirm . . . . . CUTOFF
START/IGNITION selector
(affected side) . . . . . . . . . . . . . . . . . . .NORM
􀀙 Continued on next page 􀀙
􀀙Eng In-Flight Start L, R continued􀀙
Autostart is on:
FUEL CONTROL switch
(affected side). . . . . . . . . . . . . . . . . RUN
　
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