737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
MN-FLT-OH-201
11.60.25
FMC Data Link Messages
These messages relate to FMC data link message status. FMC data link alerting
and advisory messages function the same as the alerting and advisory messages
described above:
FMC Data Link Alerting Messages
ALERTING MESSAGE
CAUSE
CORRECTIVE ACTION
ALTN DEST UPLINK
An FMC alternate
destinations uplink
message has been loaded
on the ALTERNATE
DESTS page, and is
ready for flight crew
review. (Alternate
destinations as installed)
Review the alternate
destinations uplink.
CRZ WIND UPLINK
LOADING
An FMC cruise wind
uplink message is
loading (after LOAD
selected on the RTE
DATA page).
Wait for load to
complete.
CRZ WIND UPLINK
READY
Receipt of an ACARS
uplink that contains
cruise wind data, and the
cruise wind data LOAD
prompt is displayed on
the RTE 1 or 2 DATA
page.
Select RTE DATA page,
LOAD cruise wind, and
execute or ERASE.
CRZ WIND XXXXX
(cruise altitude)
UPLINK
An FMC cruise wind
uplink message has been
loaded on the RTE
DATA page, and is ready
for flight crew review.
Review the cruise wind
uplink, and execute or
ERASE.
DATALINK CONFIG
INVALID
Validity check of the
FMC datalink
configuration file has
failed.
Contact maintenance
personnel.
March 1, 2021