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 11.60.15
ALERTING MESSAGE CAUSE CORRECTIVE ACTION
VERIFY TAKEOFF
THRUST
(U10.7 and later)
With the Takeoff Thrust
Auto Selection option
enabled, the system
determines that the
selected takeoff thrust
setting is not compatible
with the engine thrust
rating configuration.
Clear the message.
Manually change takeoff
thrust setting, or accept
uplink of different thrust
setting.
VERIFY VERT RNP
(U10.5 and later)
During an active descent
with CDS navigation
performance scales
enabled, a manually
entered vertical RNP is
greater than the default
vertical RNP.
Clear CDU message.
Enter appropriate
vertical RNP.
VNAV DISCONNECT
(U10.4 and later)
The criteria for VNAV
engagement is not
satisfied (VNAV
disengages).
On approach, with
VNAV engaged, the
FCC has switched to
LVL CHG.
Manually control the
vertical path.
V N AV I N VA L I D - PE R F
(U10.8 and later)
If the exception affects
both the MOD and the
ACT flight plan, the Cost
Index (CI) will be
replaced with box
prompts on the PERF
INIT page and the
message will result.
LNAV is still valid and
can navigate the airplane
laterally but VNAV will
disconnect. Reference
section 11.32 for further
Software Exception
Logic.
Pilot should reenter the
CI using either the
previous CI displayed or
enter a new CI.
Reengage VNAV when
change has been
EXECuted.
September 15, 2016
To Next Page
Loading...
