What was found
DURING TEAR-DOWN INSPECTION FOR CLEANING AND INSPECTION OF SLAT EXTERIOR SKIN C/T AERODYNAMIC FENCH ATTACH HOLES, DYE PENETRANT INSPECTION REVEALED CRACK INDICATION, STA 82.5 .35 INCH LONG NR 1 HOLE UPPER SURFACE. SUSPECT TOO SMALL OF AREA WASHER, PN 66-20913-1, SECURED TO INTERIOR OF SKIN AND POSSIBLE TOO SMALL OF RADIUS AT CHEM MILL AREA ADJACENT TO WASHER ATTACH POINTS.