What was found
MAIN CABIN AFT FLOORBEAM AT STA987, FLOORBEAM HAS MULTABLE SPOTS OF CORROSION ALONG LENGTH. GROUNDED - YES. REMOVED AND REINSTALLED 5EA INTERCOSTAL, 4EA ANGLES AND WEBS STA 986-1068,REMOVED T-CAP FROM STA 987, FABBED ,LOCATED, DRILLED AND INSTALLED NEW T-CAP, ANGLES AND STRAPS IAW B737-800 SRM 53-70-51-2R-4, AND BAC DWG 147A5700 REMOVED 2EA INTERCOSTALS FOR STA 987 LBL30 AND RBL 30,FABED , LOCATED, AND DRILLED, INSTALLED REPAIR FOR LBL 30 AMD RBL30 IAW B737-800 SRM 53-70-51-2R-4, AND REF BAC DWG 147A5700.