What was found
INSPECTED ORIGINAL MAGNESIUM INBOARD 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 AND/OR MOUNTING FEET. PRIMER AND/OR BODY FILLER TO HIDE CRACKING OF BRACKETS ( THIS CONDITION FOUND ON TWO DIFFERENT SETS OF THESE BRACKETS). WE ARE FINDING 85 PERCENT OF THE ORIGINAL BRACKETS UNAIRWORTHY DUE TO CORROSION, 35 PERCENT ARE CRACKED.