737 Operations Manual
Non-Normal Checklists -
Fuel
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE NNC.12.3
FUEL PUMP LOW PRESSURE
Condition: A fuel pump LOW PRESSURE light illuminated
indicates the related fuel pump output pressure is
low.
Note: Fuel pump LOW PRESSURE lights may flicker when
tank quantity is low and the airplane is in turbulent
air or during climb or descent.
If one main tank fuel pump LOW PRESSURE light is
illuminated:
MAIN TANK FUEL PUMP SWITCH . . . . . . . . . . . . . . . . .OFF
[Sufficient fuel pressure is available for normal operation.]
If both main tank fuel pump LOW PRESSURE lights are
illuminated:
Note: At high altitude, thrust deterioration or engine
flameout may occur.
If one center tank fuel pump LOW PRESSURE light is
illuminated:
CROSSFEED SELECTOR . . . . . . . . . . . . . . . . . . . . . . OPEN
[Prevents fuel imbalance.]
CENTER TANK FUEL PUMP SWITCH
(affected side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
When the other center tank fuel pump LOW PRESSURE
light illuminates:
CROSSFEED SELECTOR. . . . . . . . . . . . . . . . . . . CLOSE
REMAINING CENTER TANK
FUEL PUMP SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . OFF
If both center tank fuel pump LOW PRESSURE lights are
illuminated:
BOTH CENTER TANK
FUEL PUMP SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . .OFF
Center tank fuel is unusable. Main tank fuel may not be
sufficient for the planned flight.
June 07, 2002
To Next Page
Loading...
