What was found
WHILE PERFORMING HANGAR INSPECTION IN MCN, BELLY SKIN CORROSION WAS FOUND AT THE TCAS ANTENNA, FRAME 21 AT STRINGERS 21 LEFT TO 19 RIGHT. MAINTENANCE REPAIRED CORROSION IAW ASA EO120-53-0164. THIS EO OUTLINES THE REPAIR FOR N285AS. AIRCRAFT OK FOR SERVICE. (M)