As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEVATOR CONTROL ROD AT ELEVATOR ATTACH POINT DISCONNECTED WHEN BOLT FELL OUT ON TAKEOFF. COTTER KEY AND CASTLE NUT WERE MISSING. BOTH FELL OUT RESULTING IN ELEVATOR TRAILING IN-FLIGHT. BOLT AND WASHERS WERE FOUND IN TAIL CONE. CASTLE NUT AND KEY WERE NOT FOUND.