Boeing 737-800 - Page 1510

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.
11.60.14 D6-27370-866-EGP
ALERTING MESSAGE CAUSE CORRECTIVE ACTION
VERIFY POS:
FMC-RADIO
(U10.7 and later)
Position information is
contradictory.
Refer to FMC
Navigation Check
Supplementary
Procedure.
VERIFY POS:
IRS-FMC
(U10.7 and later)
Position information is
contradictory.
Refer to FMC
Navigation Check
Supplementary
Procedure.
VERIFY POS: IRS-IRS
(U10.7 and later)
Position information is
contradictory.
Refer to FMC
Navigation Check
Supplementary
Procedure.
VERIFY POS:
IRS-RADIO
(U10.7 and later)
Position information is
contradictory.
Refer to FMC
Navigation Check
Supplementary
Procedure.
VERIFY POSITION
(on ground)
Position information is
contradictory.
Clear message. Check
accuracy of manually
entered data. Crosscheck
IRS, GPS and FMC
positions. Manually
re-align both IRS's if
needed.
VERIFY RNP
(U10.3 and later)
Underlying RNP value is
less than manually
entered value.
Enter appropriate RNP.
VERIFY TAKEOFF
SPEEDS
A PERF INIT change
has been made after
takeoff speeds were
specified.
On TAKEOFF REF
page 1, accept previous
V speeds, or reject
previous V speeds and
enter new V speeds.
September 15, 2016