CRJ-200 flight crew reported stuck rudder trim knob resulted in full rudder deflection after takeoff. Flight crew adjusted rudder trim and restabilized aircraft.
Synopsis
CRJ-200 flight crew reported stuck rudder trim knob resulted in full rudder deflection after takeoff. Flight crew adjusted rudder trim and restabilized aircraft.
Narrative
Departing the runway and becoming 1000 ft AFE; rudder and aileron trim inputted to fix aircraft coordination. Upon inputting rudder trim; the associated trim knob became stuck resulting full rudder deflection in flight. A greater than normal Yawing motion occurred; crew deselected yaw dampeners manually and Pilot Monitoring corrected the rudder trim knob to ease yawing motion. Simultaneously Pilot flying used rudder pedals to try to keep aircraft coordination and directional control. Once rudder trim was returned to a neutral position; aircraft became stabilized and normal operations continued through out flight. No emergency declared; and no aircraft damage suspected at the time. Wrote up aircraft for maintenance inspection once we arrived in ZZZ.Cause: Stuck rudder trim knob when initially imputed resulting in full or near full rudder deflection in flight.Suggestions: Verify any trim knob inputs (stabilizer; rudder; and/or aileron trim) end with the associated knob being returned to the neutral position after completing trim inputs.
Second reporter narrative
[Report narrative contained no additional information.]
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.