737 Operations Manual
Non-Normal Checklists -
Fuel
Copyright © The Boeing Company. See title page for details.
NNC.12.4 D6-27370-400E-TBCE
FUEL QUANTITY INDICATOR
INOPERATIVE
Condition: The related fuel quantity indicator is blank, displays
ERRxx, zeros or dashes.
(U5 FMC’s)
If a fuel quantity indicator fails:
VNAV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DISENGAGE
[FMC gross weight calculations are not provided with an inoperative
fuel quantity indicator.]
If fuel quantity in FMC is not correct:
Do not use FMC speed and altitude information.
Use manually calculated gross weight and
performance information from the QRH.
Do not use minimum maneuver speed or buffet margin
information.
Use the Flap Maneuver Speed table in the
Performance- Inflight section.
Stick shaker, VMO/MMO and minimum flap retraction speed
displays are unaffected.
CAUTION: If the FMC is used for manual entry of gross
weight to calculate reference speeds or fuel
remaining at destination, the information will
not remain accurate.
(U7.5 FMC’s)
If dashes are displayed on the FUEL quantity line on the
FMC PERF INIT page:
FMC FUEL WEIGHT. . . . . . . . . . . . . . . . . . . . . . . . . . ENTER
Enter and periodically update manually calculated fuel
weight on the FMC PERF INIT page.
Continued on next page
June 07, 2002
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