As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AILERON OUTBOARD HINGE HALF WAS CORRODED. AILERON WAS DISASSEMBLED TO REPLACE HINGE HALF. UPON REMOVING AN3 BOLTS AND HINGE HALF FROM NOSE RIB, THE LOWER BOLT HOLE IN THE NOSE RIB WAS FOUND TO HAVE A HALF INCH CRACK ADJACENT TO THE HOLE.IT IS NOT POSSIBLE TO INSPECT THIS AREA WITHOUT DISASSEMBLY OF THE AILERON.