737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
11.60.14
MN-FLT-OH-201
ALERTING MESSAGE
CAUSE
CORRECTIVE ACTION
USING RSV FUEL
FMC fuel at the
destination is predicted
to be less than the
entered RESERVES
fuel.
Scratchpad message
shows for Active and
Mod Flight Plan.
Illuminates the FMC
P/RST Light for Active
and Mod Flight Plan.
Message displayed on
Engine display for the
Active Flight Plan only.
Refer to USING RSV
FUEL non-normal
checklist in the QRH.
The Engine Display
message will remain
until the condition is no
longer valid.
VERIFY GW AND
FUEL
Fuel data becomes
invalid, PERF INIT fuel
value is replaced with
dashes. FMC uses last
valid fuel quantity for
performance predictions
until manual entry is
made.
Shows if 30 minutes
have elapsed since last
manual entry.
Does not show in descent
with Vref selected.
Enter fuel weight on
PERF INIT page 1/2.
Periodic update of fuel
weight is required to
keep gross weight value
current.
VERIFY POS:
FMC-FMC
Position information is
contradictory.
Refer to FMC
Navigation Check
Supplementary
Procedure.
VERIFY POS:
FMC-GPS
Position information is
contradictory.
Refer to FMC
Navigation Check
Supplementary
Procedure.
March 1, 2021
