As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACV - FLT RUDDER TRIM REPORTED FROZEN IN FLIGHT AT CRUISE ALTITUDE. RUDDER TRIM FUNCTIONED NORMAL ON DESCENT. MAINTENANCE FOUND WATER IN CABLE AREA OF TAIL. CLEANED DRAIN AND REMOVED MOISTURE. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)