As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT, AFTER INITIAL LT TURN, RUDDER (TRIM) RAN FULL LEFT DEFLECTION UNCOMMANDED. ABLE TO OVER POWER WITH USE OF RUDDER PEDAL. AUTO-PILOT WAS NOT ENGAGED. DECLARED EMERGENCY LANDING IN IAD. REMOVED AND REPLACED TRIM CONTROL PANEL AND RUDDER TRIM ACTUATOR. (K)