3-14
Electrical Trim
Pitch Trim Runaway
3-14-01
Pitch Trim Runaway warning and voice callout “Trim Runaway”.
1.
TRIM INTERRUPT switch...........
ON
2.
PITCH TRIM circuit breaker
(Essential Bus
L
A1).....................
PULL
3.
TRIM INTERRUPT switch...........
OFF
If trim runaway continues:
4.
TRIM INTERRUPT switch...........
ON
5.
PITCH TRIM ALTN circuit
breaker (Main Bus
R
A1)..............
PULL
6.
PITCH TRIM circuit breaker
(Essential Bus
L
A1).....................
CLOSE
7.
TRIM INTERRUPT switch...........
OFF
Note
Reduce speed if control forces are high. If the pitch trim has failed the autopilot is
not operative.
The autopilot will disconnect when TRIM INTERRUPT is operated.
If main stabilizer trim has failed:
8.
Pitch trim.....................................
Use ALTERNATE STAB TRIM
---------- END -----------
Yaw Trim Runaway
3-14-02
Yaw Trim Runaway warning and voice callout “Trim Runaway”.
1.
TRIM INTERRUPT switch...........
ON
2.
RUDDER TRIM circuit breaker
(Essential Bus
L
B1).....................
PULL
3.
TRIM INTERRUPT switch...........
OFF
Note
Reduce speed if control forces are high. If the rudder trim has failed the autopilot
is not operative.
The autopilot will disconnect when TRIM INTERRUPT is operated.
---------- END -----------
Section 3 - Emergency Procedures (EASA Approved)
Electrical Trim
Pilot's Operating Handbook
Report No: 02406
Issue date: Mar 06, 2020
Page 3-14-1
12-C-A15-40-0314-00A-141A-A
FOR
GENERAL
AND
FAMILIARIZATION
PURPOSES
ONLY