As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED DURING TAKEOFF ROLL, THE YOKE MOVED TO FULL PITCH UP POSITION AND FROZE THERE. THE SYSTEM RELAXED AFTER ABORTED TAKEOFF. MAINTENANCE INSPECTED THE FLIGHT CONTROL SYSTEMS AND PERFORMED A HIGH SPEED TAXI. NO DEFECTS WERE FOUND. THE AIRCRAFT WAS TEST FLOWN AND NO DEFECTS WERE NOTED. THE AIRCRAFT WAS RELEASED FOR SERVICE.