737 Flight Crew Operations Manual
2.24
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
2.24
21 Choose one:
22 ISOLATION VALVE switch. . . . . . . . . . . . . CLOSE
23 L PACK switch . . . . . . . . . . . . . . . . . . . . . . OFF
24 BLEED 1 air switch . . . . . . . . . . . . . . . . . . . OFF
25 WING ANTI-ICE switch . . . . . . . . . . . . . . . . OFF
26 Avoid icing conditions where wing anti-ice is
needed.
27 The APU can be used during the rest of the flight,
as an electrical source only, if needed.
■ ■ ■ ■
▼WING-BODY OVERHEAT (-300/-500) continued▼
APU switch is ON:
The APU can be used during the rest of the
flight, as an electrical source only, if
needed.
■ ■ ■ ■
APU switch is OFF:
Do not start the APU for the rest of the
flight.
■ ■ ■ ■
June 16, 2017
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