As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF COULD NOT TURN AIRCRAFT TO LEFT MANUALLY WITH YOKE. TURN RIGHT NORMALLY, ENGAGED AUTOPILOT WITH 15 DEGREE BANK AND AIRCRAFT TURNED WHAT SEEMED TO BE NORMAL TO LEFT WITH AUTOPILOT ON. AFTER LANDING CONTROL STILL JAMMED TO LEFT. NOTE NORMAL FLIGHT CONTROL CHECK PRIOR TO FLIGHT. PERFORMED DETAILED VISUAL INSPECTION OF LEFT HAND AILERON TENSION REGULATOR AND SURROUNDING AREAS. FOUND AND REMOVED SMALL BOLT HAD LODGED IN THE LEFT HAND AILERON TENSION REGULATOR.