What was found
(CAN) AT 4000 FT, RUDDER IMMEDIATLEY WENT FULL LT, RUDDER TRIM. ATTEMPTED TO TRIM BACK TO RT AND TRIM WENT FULL RT TRIM, TRIM CONTINUED TO MOVE UNCOMMANDED AND FINALLY STOPPED AT HALF RT RUDDER TRIM. AUTO PILOT WAS NOT ENGAGED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AT 4000 FT, RUDDER IMMEDIATLEY WENT FULL LT, RUDDER TRIM. ATTEMPTED TO TRIM BACK TO RT AND TRIM WENT FULL RT TRIM, TRIM CONTINUED TO MOVE UNCOMMANDED AND FINALLY STOPPED AT HALF RT RUDDER TRIM. AUTO PILOT WAS NOT ENGAGED.