737 Flight Crew Operations Manual
7.37
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
7.37
6 Choose one:
7 Choose one:
▼START VALVE OPEN continued▼
START VALVE OPEN light stays illuminated for
engine 1:
APU BLEED air switch . . . . . . . . . . . OFF
►►Go to step 7
START VALVE OPEN light stays illuminated for
engine 2:
►►Go to step 7
START VALVE OPEN light extinguishes:
►►Go to step 7
In flight:
WING ANTI-ICE switch . . . . . . . . . . . OFF
This prevents possible asymmetrical
ice buildup on the wings.
Avoid icing conditions where wing anti-ice is
needed.
■ ■ ■ ■
On the ground:
Ground air source
(if in use) . . . . . . . . . . . . . . . Disconnect
Engine start lever
(affected engine) . . . . . . . . . . . . CUTOFF
■ ■ ■ ■
June 15, 2019
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