737 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 11.60.21
ADVISORY MESSAGE CAUSE CORRECTIVE ACTION
NOT ON INTERCEPT
HEADING
Airplane is not within the
LNAV capture criteria
for the active leg (LNAV
disengages).
If the LNAV button is
pressed and the airplane
is not within the capture
criteria. (LNAV will not
engage)
Manually place the
airplane on an intercept
heading and reengage
LNAV.
OFFSET DELETED The entered start
waypoint has been
deleted from the flight
plan. (lateral offset as
installed)
Clear the message and
amend the route.
OFST ENDS ABEAM
XXXXXX
An invalid offset leg
exists between the end
waypoint (XXXXXX)
and the start of offset or
no end waypoint exists.
Clear the message and
amend the route.
PERF DEFAULTS
DELETED
Performance database
has been automatically
deleted due to conflict
with performance
database limits.
Contact maintenance
personnel.
POS SHIFT OVER
50NM
(U10.6 and later)
A viable position shift is
currently selected that
will result in an FMC
position shift in excess of
50nm when executed.
Clear the message.
PROGRAM PIN
ERROR
FMC connector wiring is
incorrect.
System unusable; advise
maintenance personnel.
The CLR key will not
clear the message.
PROGRAM PIN NOT
IN DB
FMC connector wiring
or performance database
is incorrect.
Advise Maintenance
Personnel
September 15, 2016
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