What was found
(CAN) RUDDER TRIM FREEZING AT ALTITUDE. FOUND UPPER RUDDER TRIM MOTOR TO BE THE PROBLEM.THE TRIM MOTOR WAS REPLACED AND NO FURTHER PROBLEMS HAVE BEEN EXPERIENCED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) RUDDER TRIM FREEZING AT ALTITUDE. FOUND UPPER RUDDER TRIM MOTOR TO BE THE PROBLEM.THE TRIM MOTOR WAS REPLACED AND NO FURTHER PROBLEMS HAVE BEEN EXPERIENCED.