What was found
FUSELAGE SKIN FS 360-481, STRG 4L, SKIN LAP SPLICE, REPAIR FOR CRACKS. EXTERNAL LFEC INSPECTION REVEALED CRACK INDICATIONS IN THE LOWER SKIN OF THE STRINGER 4L LAP SPLICE BETWEEN FS 360-481. INTERNAL HFEC INSPECTION CONFIRMED 10 CRACKS ALONG THE LOWER ROW OF FASTENERS IN THE LAP. THE SKIN LAP WAS CUTOUT ALONG THE ENTIRE PANEL LENGTH AND REPAIRED WITH AND EXTERNAL ALUMINUM DOUBLER PER ER/A 366641-14, REV B.