What was found
FUSELAGE SKIN FS 360-481, STRG 4L SKIN LAP SPLICE, CRACK REPAIR. LFEC INSPECTION OF THE STRINGER 4L SKIN LAP SPLICE BETWEEN FS 360 AND 481 INDICATED CRACKS IN THE LOWER FASTENER ROW OF THE LOWER SKIN PANEL. INTERNAL HFEC INSPECTION CONFIRMED 14 CRACKS ALONG THE PANEL LENGTH. THE ENTIRE SKIN LAP SPLICE WAS CUT OUT AND REPLACED WITH AND EXTERNAL ALUMINUM DOUBLER PER ER/A 368137-14AD.