What was found
CORROSION WAS DISCOVERED ON THE INNER SURFACE OF THE FUSELAGE SKIN AROUND THE RT WING SCANNING LIGHT CUTOUT. A 3 BY 2 REGION AROUND THE AFT TOP CORNER OF THE CUTOUT WAS BLENDED TO A MAXIMUM DEPTH OF 0.032. A SECOND BLEND AREA ALONG THE LOWER EDGE OF THE CUTOUT MEASURED 1 BY 2 WITH A MAX DEPTH OF 0.015. THIS AREA WAS REPAIRED PER B727 SRM 53-30-3, FIGURE 22 WITH THE EXCEPTION THAT THE BOTTOM TWO ROWS OF ADDED FASTENERS WERE DRILLED WITH A SPACING OF 0.065 INSTEAD OF 1.