What was found
DURING INSTALL, FOUND RBL 27 FLOORBEAM TO BE CRACKED ON LOWER INBOARD EDGE AT FS 615. INSTALLED A NEW FABRICATED BEAM IAW SNIEO 601R352289 S01, SRM 51-40-11, 51-42-02, 51-42-06, 51-42-21 AND 51-41-04. COMPLETED SKYCARD 51-900-1003-SKY. MAJOR REPAIR