As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEVATOR TRIM STUCK. FROZE UP INFLIGHT. IT WOULD NOT OPERATE ELECTRICALLY OR MANUALLY. IT COULD NOT BE MOVED ANY AT ALL MANUALLY. IT CREATED POSITIVE FORWARD FORCE ON THE CONTROLLS INFLIGHT. ONCE ON THE GROUND IT STARTED TO WORK AGAIN. PERFORMED ELEVATOR TRIM TAB ELECTRICAL AND MANUAL TRAVEL CHECK WITH NO DEFECTS NOTED.