What was found
STL - DURING CLIMB, UNCOMMANDED RUDDER MOVEMENT WAS DETECTED. REMOVED AND REPLACED YAW DAMPER ACTUATOR DUE TO INTERNAL FAILURE, MFG P/N 2589445-933. OPERATIONAL CHECK NORMAL. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL - DURING CLIMB, UNCOMMANDED RUDDER MOVEMENT WAS DETECTED. REMOVED AND REPLACED YAW DAMPER ACTUATOR DUE TO INTERNAL FAILURE, MFG P/N 2589445-933. OPERATIONAL CHECK NORMAL. (M)