737 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
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11.60.38 D6-27370-866-EGP
Scratch Pad Messages
INACTIVE ADVISORY CAUSE MESSAGE CLEARED
SATCOM IN PROG The system has sent a
downlink message via
SATCOM and has not
yet received an
acknowledgement from
the service provider.
Advisory clears when all
SATCOM messages
have been acknowledged
or the SATCOM link
fails.
HF IN PROG The system has sent a
downlink message via
HF and has not yet
received an
acknowledgement from
the service provider.
Advisory clears when all
HF messages have been
acknowledged or the HF
link fails.
CDU SCRATCH PAD CAUSE CORRECTIVE ACTION
FORMAT ERROR Shows when a line select
key associated with
manual entry is selected
and the scratch pad data
does not pass format or
range checking.
Reformat manual entry.
BUTTON PUSH
IGNORED
Shows when a line select
key that has no assigned
function on the display
page is selected.
Select correct line select
key.
NOT ALLOWED Shows when a line select
key associated with
manual entry is selected
but the scratch pad is
empty.
Enter appropriate data in
scratch pad if applicable.
September 15, 2016