As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARING BOSS. CRACKS SPANNING COMPLETELY ACROSS THE BEARING BOSS CRACKING AND/OR MOUNTING FEET. PRIMER AND/OR BODY FILLER TO HIDE CRACKING OF BRACKETS (THIS CONDITION FOUND ON TWO DIFFERENT SETS OF THESE BRACKETS).