3.2
3.2
Condition: Pitot static light(s) illuminated indicate related pitot
static malfunction(s).
Avoid icing conditions.
Note: Flight in icing conditions may result in erroneous
flight instrument indications.
Condition: A window heat OFF light illuminated indicates that the
controller may have removed all heat to a window due
to an excessive temperature.
WINDOW HEAT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
Limit airspeed to 250 knots maximum below 10,000 feet.
Condition: A window OVERHEAT light illuminated indicates an
overheat condition has been detected.
WINDOW HEAT SWITCH (affected window) . . . . . . . . . . .OFF
[Extinguishes the OVERHEAT light and resets the system.]
After 2-5 minutes:
WINDOW HEAT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . .ON
If the window OVERHEAT light re-illuminates:
WINDOW HEAT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .OFF
Limit airspeed to 250 knots maximum below 10,000
feet.
WINDSHIELD AIR CONTROLS . . . . . . . . . . . . . . . . . . .PULL
[Vents conditioned air to the inside of the windshield for defogging.]
PITOT STATIC HEAT MALFUNCTIONS
WINDOW HEAT OFF
WINDOW OVERHEAT
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
3.3
3.3
Condition: A WING ANTI-ICE L VALVE OPEN and/or R VALVE
OPEN light remaining illuminated bright blue in flight
indicates the related wing anti-ice valve position
disagrees with the wing anti-ice switch position.
Valve Open:
If total air temperature is above 10°C or no visible
moisture:
ISOLATION VALVE SWITCH. . . . . . . . . . . . . . . . . CLOSE
PACK SWITCH (affected side) . . . . . . . . . . . . . . . . . .OFF
[Causes operating pack to regulate to high flow in flight with flaps
up.]
ENGINE BLEED AIR SWITCH (affected side) . . . . . .OFF
Valve Closed:
Avoid icing conditions.
WING ANTI-ICE VALVE OPEN
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
3.4
3.4
Intentionally
Blank
June 3, 2005
737 Flight Crew Operations Manual
Non-Normal Checklists Chapter NNC
Automatic Flight Section 4
Copyright © The Boeing Company. See title page for details.
TOC.4.1
Table of Contents
NNAC.U4 NToOn-PNoILrmOalT C hDecIkSlisEtsN-AGutAomGatEic F l.i g.h .t . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1
AUTOTHROTTLE DISENGAGE . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
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