What was found
DURING TEAR-DOWN INSPECTION, AERODYNAMIC FENCE WAS REMOVED FOR CLEANING AND INSPECTION OF SLAT SKIN. DYE PENETRANT INSPECTION PERFORMED WHICH REVEALED TWO CRACKS AT SLAT STA 86.75, .5 INCH LONG, STA 91.75, .4 INCH LONG UPPER SKIN SURFACE. SUSPECT TOO SMALL OF AREA WASHER PN 66-20913-1 SECURED TO INTERIOR OF SKIN AND POSSIBLY TOO SMALL OF RADIUS AT CHEM MILL AREA ADJACENT TO WASHER ATTACH POINT.