737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
11.60.20
MN-FLT-OH-201
ADVISORY MESSAGE
CAUSE
CORRECTIVE ACTION
FMC APP MODE
UNAVAIL–GP
The approach selected in
the FMC does not have a
specified glide path
angle for final approach.
The FMC approach
mode cannot be used for
this approach.
Select an alternate
approach. Clear the
message.
FMC APP MODE
UNAVAIL–QFE
An approach that utilizes
FMC generated glide
path is in the flight plan,
but QFE is selected on
the FMC.
Select QNH as the
landing altimeter
reference on the
APPROACH REF page.
Clear the message.
INVALID INACTIVE
PLAN
An exception has
occurred in the
INACTIVE plan prior to
execution and it has been
deleted as a result.
Reenter a new version of
the INACTIVE plan.
INVALID MOD PLAN An exception has
occurred in the MOD
plan and it has been
deleted as a result.
Reenter a new version of
the MOD plan.
INVALID OFFSET
Desired offset does not
meet FMC offset criteria.
Clear the message and
amend the entry.
KEY/FUNCTION INOP A mode key is pressed
for which an FMC
function has not been
implemented or has not
been enabled. (FANS
MCDU only)
Clear the message or
select another CDU page
for display.
LOC CAP ACTIVE
U14 Removes [LOC
CAP ACTIVE]
The airplane is
approaching its turn onto
the localizer or GLS
course and will maintain
an intercept heading.
Clear the message
manually, or wait for the
AFDS to signal reset
status to the FMC.
March 1, 2021