AIRPLANE
OPERATIONS
MANUAL
FLIGHT CONTROLS
REVISION 38
2-13-10
Page
11
Code
01
AOM-145/1114
EICAS MESSAGES (CONTINUED)
TYPE MESSAGE MEANING
WARNING
PTRIM BACKUP INOP (*)
Pitch trim backup system is
inoperative, or
Quick Disconnect button is
kept pressed for more than
11 seconds. This message
will disappear after the
button is released, or
Backup trim switch
actuation associated with
horizontal stabilizer being
commanded by the main
channel, or
Backup trim switch being
actuated with the HSA
stalled.
PTRIM CPT SW FAIL (*)
Pilot´s pitch trim switch is
inoperative.
PTRIM F/O SW FAIL (*)
Copilot´s pitch trim switch
is inoperative.
CAUTION
PTRIM BKP SW FAIL (*)
Pitch trim backup switch is
inoperative.
(*) APPLICABLE TO AIRPLANES EQUIPPED WITH EICAS
VERSION 18 AND ON.
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