737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
11.60.24
MN-FLT-OH-201
ADVISORY MESSAGE
CAUSE
CORRECTIVE ACTION
VERIFY RNP VALUE
When entering an RNP
the underlying RNP
value is smaller than the
manually entered value
or the ANP is greater
than the manually
entered RNP.
Change or delete the
manually entered RNP.
VERIFY VERT RNP
VALUE
With navigation
performance scales
enabled, a manually
entered vertical RNP is
greater than the default
vertical RNP or
manually entered
vertical RNP is less that
vertical ANP.
Clear the message.
Change or delete the
manually entered RNP.
XXXX (airport
identifier)
A REF AIRPORT is
entered on the POS INIT
page and no entry of
ORIGIN yet appears on
RTE page 1.
Enter the airport
identifier on the ORIGIN
data line.
XXXXX (MCP altitude
value)
With the CRZ page
displayed, resetting the
AFDS MCP altitude to a
value different from the
CRZ ALT causes the
value to appear in the
scratchpad.
Enter the MCP altitude
value on the appropriate
target altitude data line.
March 1, 2021