737 Flight Crew Operations Manual
Supplementary Procedures -
Adverse Weather
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D6-27370-866-EGP SP.16.21
Leading edge flaps ......................................................................... Check
Verify that all leading edges are undamaged.
Engine inlets .................................................................................. Check
Verify that the inlet cowling is free of sand and dust.
Verify that the fan is free to rotate and fan blades are undamaged.
Fuel tank vents ............................................................................... Check
Verify that all vents are free of sand and dust.
Landing gear .................................................................................. Check
Verify that gear struts and doors are free of sand and dust build-up.
Vertical and horizontal stabilizers.................................................. Check
Verify that all leading edges are undamaged.
APU air inlets ............................................................................... Check
Ensure that the APU inlet door and cooling air inlet are free of sand
and dust before APU start.
Preflight Procedure - First Officer
Do the normal Preflight Procedure - First Officer with the following
modifications:
Note: Minimize the use of air conditioning, other than from a ground
air conditioner, as much as possible. If the APU must be used
for air conditioning, maintain a temperature as high as possible
while still providing a tolerable flight deck and cabin
environment.
APU BLEED air switch.................................................OFF F/O
If APU bleed air will be used and the APU is not operating:
APU switch ....................................................START F/O
Note: Run the APU for one full minute before using it
as a bleed air source.
Engine BLEED air switches ............................... OFF F/O
APU BLEED air switch ....................................... ON F/O
Engine Start Procedure
Do the normal Engine Start Procedure with the following modifications:
September 15, 2016
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