What was found
REF C2XA00IA249 - SJT - FLT 2931 - THE CREW REPORTED THAT AT 14,500 FEET, THE AIRCRAFT PITCHED ABRUPTLY UP AND THE AUTO PILOT DISCONNECTED. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR THE PURPOSE OF A FERRY FLIGHT TO IAH. THE AIRCRAFT WAS FERRIED TO IAH WHERE THE PITCH TRIM SYSTEM STOP WAS FOUND TO BE OUT OF RIG. MAINTENANCE RE-RIGGED THE PITCH TRIM SYSTEM STOP, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)