As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND EXCESSIVE PLAY IN ELEVATOR. UPON FURTHER INVESTIGATION FOUND PITCH TRIM MOTOR ROTATING SLIGHTLY WHEN MOVING ELEVATOR. REMOVED PITCH TRIM MOTOR ASSEMBLY AND DISASSEMBLED MOTOR FROM BRACKET. DISCOVERED 2 OF THE 4 ATTACH SCREWS BACKED OUT COMPLETELY, AND THE OTHER 2 ATTACH SCREWS VERY LOOSE CAUSING THE ROTATION OF THE PITCH TRIM MOTOR WHEN ELEVATOR WAS MOVED.