What was found
LOWER RIGHT HAND ATTACH BOLT HAD LOOSENED AND VIBRATED UNTIL THE NUT AND COTTER PIN WORE OUT AND CAME OFF. BOLT THEN FELL OUT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOWER RIGHT HAND ATTACH BOLT HAD LOOSENED AND VIBRATED UNTIL THE NUT AND COTTER PIN WORE OUT AND CAME OFF. BOLT THEN FELL OUT.