What was found
INBOARD AILERON HINGE BRACKET, THESE MAGNESIUM BRACKETS WERE SEVERLY CORRODED AND CRACKED UNDER THE PAINT AND COULD ONLY BE SEEN AFTER BEAD BLASTING. THESES BRACKETS ARE THE ATTACH FOR THE AILERONS AND ARE CRACKING COMPLETELY ACROSS THE RETAINING BOSS FRO THE BEARING. SUGGEST PAINT REMOVAL AND INSPECTION OF BRACKET OR REPLACE WITH STC`S ALUMINUM BRACKETS. THE ORIGINAL BRACKETS, WE HAVE INSPECTED, HAVE BEEN SEVERELY CORRODED/ CRACKED.