737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
11.60.26
MN-FLT-OH-201
ALERTING MESSAGE
CAUSE
CORRECTIVE ACTION
DESCENT
FORECASTS UPLINK
An FMC descent
forecasts uplink message
has been loaded on the
DESCENT
FORECASTS page, and
is ready for flight crew
review.
Review the descent
forecasts uplink, and
execute or ERASE.
FORECASTS UPLINK
READY
An FMC descent
forecasts uplink message
has been received and is
available for loading on
the DESCENT
FORECASTS page.
Select DESCENT
FORECASTS page,
LOAD descent forecasts
winds, and execute or
ERASE.
INVALID TAKEOFF
XXX/YYY (runway or
runway/intersection
identifier)
Runway (RTE page) or
runway/intersection
(TAKEOFF REF page)
has been entered that
matches runway takeoff
data in FMC memory.
However, the airplane is
performance limited for
the selected runway.
Clear the message. Enter
correct takeoff data,
request new takeoff data
uplink, or enter new
runway or
runway/intersection
identifier.
NAV DATA LOADING An FMC supplemental
navigation data uplink
message has been
received and is loading.
Wait for load to
complete.
NAV DATA UPLINK
An FMC supplemental
navigation data uplink
message has been loaded
on the SUPP NAV DATA
page, and is ready for
flight crew review.
Review the supplemental
navigation data uplink,
and execute or ERASE.
March 1, 2021