Condition: Uncommanded stabilizer trim movement occurs continuously or in a manner not appropriate for flight conditions.
Runaway Stabilizer
“My Aircraft Runaway Stabilizer”
- 1 Control column . . . . . . . . . . . . . …………….. . . . Hold firmly
- 2 Autopilot (if engaged) . . . . . . . . . ……………. . . Disengage
- 3 Autothrottle (if engaged) . . . . . . . . . . . . . . .. .. . . . Disengage
- 4 Control column and thrust levers . . . . . . . .. .. .. . . Control aircraft pitch attitude and airspeed
- 5 Main Electric Stabilizer trim . . . . . . . . . ….. .. . . . Reduce control column forces
- 6 If the runaway stops after the autopilot is disengaged: Do not re-engage the autopilot or autothrottle.
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7 If the runaway continues after the autopilot is disengaged:
STAB TRIM cutout switches (both) . . . . . . . . . . . . . . . . CUTOUT
If the runaway continues:
Stabilizer trim wheel. . . . . ………………... . . . . . Grasp and hold
“Runaway Stabilizer QRH”