As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DEPARTING, EXPERIENCED AN UNCOMMANDED RUDDER DEFLECTION TO THE RT SHORTLY AFTER TAKEOFF. AN EMERGENCY WAS DECLARED. THE ACFT CLIMBED TO 8000 FT WITH A UNCOMMANDED RT RUDDER. THE UNCOMMANDED RT RUDDER RETURNED TO NEUTRAL RUDDER. THE ACFT RETURNED.