What was found
DURING TEAR-DOWN INSPECTION, AERODYNAMIC FENCE WAS REMOVED FOR CLEANING AND INSPECTION. DYE PENETRANT INSPECTION REVEALED TWO CRACK INDICATIONS AT STA 82.5-30.0 C/T LOWER SKIN NR 1 HOLE .2 INCH AND .25 INCH LONG OUT FROM HOLES. AT STA 86.5, UPPER SURFACE NR 2 HOLES AFT FROM L/E UPPER SURACE .6 INCH LONG CRACK. 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 POINTS.