What was found
FUSELAGE SKIN FS 548, STRG 4R SKIN LAP SPLICE, CRACK REPAIR. EXTERNAL LFEC INSPECTION OF THE STRINGER 4R SKIN LAP SHOWED A CRACK INDICATION AT FS 548. INTERNAL HFEC INSPECTION OF THE ENTIRE PANEL LENGTH CONFIRMED ONLY ONE CRACK AT FS 548 ALONG THE LOWER FASTENER ROW OF THE LAP. THE CRACK WAS TRIMMED OUT OF THE LAP AND REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER B727 SRM 53-30-3, FIG 5. THE REPAIR WAS DOCUMENTED PER ER/A 366677-14.