What was found
WHILE INCORPORTATING SB 670BA-53-041, PART B, FOUND SERVERAL FASTENERS HOLES ON LBL/RBL 9 FLOORBEAMS OVERSIZED, ALSO FOUND TAPERED SHIMS INSTALLED ON TOP OF FLOORBEAMS, PRE-EXISTING MISDRILLED FASTENERS HOLES AND 1, EA FASTENER AT FWD EDGE OF RBL 9, FS 280 HAS LOW ED.