What was found
FUSELAGE SKIN FS 481-681 STRINGER 4R, SKIN LAP SPLICE, CRACK REPAIR. LFEC INSPECTION OF THE STRINGER 4R SKIN LAP SPLICE BETWEEN FS 481 AND 681 INDICATED CRACKS IN THE LOWER FASTENER ROW OF THE LOWER SKIN PANEL. INTERNAL HFEC INSPECTION CONFIRMED 4 CRACKS IN CONSECUTIVE FRAME BAYS. THE SKIN LAP WAS CUTOUT ALONG THE ENTIRE PANEL LENGTH AND REPAIRED WITH AND EXTERNAL ALUMINUM DOUBLER PER ER/A 367137-14AD.