As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, CREW REPORTED THAT THE AUTO PILOT MISTRIM NOSE DOWN LIGHT ILLUMINATED AND THE AUTO PILOT DISENGAGED MANUALLY AND THE TRIM WAS REPORTED TO BE JAMMED. RETURNED TO THE FIELD. GROUND MX CREW INSPECTED THE ELEVATOR TRIM SERVO, CABLE CHAIN ASSY AND FOUND NO DEFECTS. AN OPS CHECK PRODUCED SATISFACTORY RESULTS. ALL FLIGHT CONTROLS WERE ABLE TO MOVE FREELY.