What was found
UPON INCORPARATION OF SB670BA-53-041 FOUND LT FS 280 CROSSBEAM TO HAVE 2 SPOTS OF CORROSION AT RT NEAR LBL 11. BLENDED DAMAGE ON LT 280 BEAM AT LBL11 UPPER FLANGE EDGE REF SRM 51-21-06-001-001 DAMAGE OUT OF LIMITS REF SRM 53-00-00-101-001. REMOVED LT 280 CROSSBEAM IAW SRM 51-42-06-001-001 AND SRM 51-42-21-001-001. REMOVED INTERCOSTALS AT LBL37 & 20. BETWEEN FS 280 & 295 IAW SRM 51-42-21-001-001-A01. INSTALLED INTERCOSTALS AT LBL 37 & 20 IAW SRM 51-42-21-001-001-A01 IAW DWG CC670-34010. REMOVED INTERCOSTAL AT RBL37, BETWEEN FS 280 & 295 IAW SRM 51-42-21-001-001-A01. INSTALLED INTERCOSTAL AT RBL 37 IAW WSRM 51-42-21-001-001 IAW DWG CC670-34010. LOCATED AND DRILLED NEW 280 BEAM THROUGH LOWER WEB IAW SRM 51-40-11-001-001. LOCATED AND DRILLED CENTER SECTION OF 280 BEAM IAW SRM 51-40-11-001-001. INSTALLED NEW 280 BEAM IAW SRM 51-42-06-001-001 IAW DWG CC670-34010.