737 Flight Crew Operations Manual
Supplementary Procedures -
Adverse Weather
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SP.16.8 D6-27370-866-EGP
The APU should be shut down unless APU operation is
necessary.
Call “FLAPS UP”. C
Flaps ...................................................................... UP F/O
Prevents ice and slush from accumulating in flap
cavities during de-icing.
Thrust levers ........................................................ Idle C
Reduces the possibility of injury to personnel at inlet or
exhaust areas.
WARNING: Ensure that the stabilizer trim wheel handles are
stowed before using electric trim to avoid
personal injury.
Stabilizer trim ......................................... ___ UNITS C
Set the trim for takeoff.
Verify that the trim is in the green band.
Engine BLEED air switches ...............................OFF F/O
Reduces the possibility of fumes entering the air
conditioning system.
APU BLEED air switch ......................................OFF F/O
Reduces the possibility of fumes entering the air
conditioning system.
After de-icing/anti-icing is completed:
APU .......................................................... As needed F/O
CAUTION: After de-icing, the use of APU bleed air during
takeoff can cause smoke in the airplane.
APU BLEED air switch ............................ As needed F/O
Wait approximately one minute after de-icing is completed to turn
engine BLEED air switches on to ensure all de-icing fluid has been
cleared from the engines:
Engine BLEED air switches .........................ON F/O
Flight controls ................................ Check, as needed C
September 24, 2015
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