As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT CREW REPORTED AN UNCOMMANDED DISCONNECT OF THE AUTOPILOT SYSTEM. THE ELEVATOR SERVO WAS REPLACED AND IAPS LIGHTING PROTECTION CARD WAS FOUND LOOSE AND TIGHTENED. A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RETURNED TO SERVICE.