What was found
DURING RECENT INSPECTION CORRODED HARDWARE WAS FOUND ON AILERON. AFTER AILERON WAS REMOVED HEAVY GALLING WAS FOUND ON OUTBOARD HINGE SUPPORT AND AILERON FITTING. SEVERAL OTHER AIRCRAFT WERE INSPECTED AND 3 OTHERS AND IDENTICAL GALLING. MFG WAS NOTIFIED AND REPAIRS MADE,, INCLUDING BLENDING AND NDT. AILERON ARE NOT REMOVED DURALAY INSPECTIONS. BUT CLOSE VISUAL INSPECTIONS SHOULD FIND DEFECTS. AIRCRAFT ARE DAMAGE TOLERANT AND PART IS CONSIDERED. PSE. (K)