As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND ON BORE LUGS OF AILERON HINGES 2, 3 AND 4, ALSO CORROSION ON INB LUG FACE OF HINGE 4 AT RH WING REAR SPAR. BORE LUGS OF AILERON HINGES 2, 3 AND 4, ALSO INB LUG FACE OF HINGE 4 AT RH WING REAR SPAR WERE REPAIRED PER REO 690-57-51-552 REV. - -