737 Flight Crew Operations Manual
12.16
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D6-27370-4Q8-SJA
12.16
1 Main tank FUEL PUMP switches
(decreasing main tank) . . . . . . . . . . . . . . . . OFF
2 When the main tank fuel pump LOW PRESSURE
lights illuminate:
CTR FUEL PUMP switch (affected side) . . . . ON
3 When the CTR tank fuel pump LOW PRESSURE
light extinguishes:
Main tank FUEL PUMP
switches (both) . . . . . . . . . . . . . . . . . . . . ON
4 When the CTR tank fuel pump LOW PRESSURE
light illuminates:
CTR FUEL PUMP switch (affected side) . . . OFF
5 Repeat the above steps as needed.
■ ■ ■ ■
Inadvertent Transfer of Fuel into
Center Tank
Condition:
An inadvertent increase in fuel quantity in
the center tank and a decrease in fuel
quantity in either main tank occurs.
Note: At high altitude, thrust deterioration or
engine flameout may occur.
March 18, 2016
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