As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERON HINGE ASSEMBLY. AILERON HINGE ASSEMBLY BROKE ON LEFT OUTBOARD AILERON CAUSING THE LEFT AILERON TO JAMB AGAINST THE WING TIP. PILOT LOST AILERON CONTROL. AFTER PILOT LANDED AND WAS STOPPED HE ACTUATED THE STICK FOR AILERON MOVEMENT AND THE LEFT OUTBOARD AILERON DROPPED TO GROUND.