As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CRACK IN CLIP ON FLOORBEAM FS280.00 AND FLOOR SUPPORT (LEFT) LBL9 INBOARD AND OUTBOARD SIDES BELOW WL 73.00, DISCOVERED DURING C-CHECK INSPECTION. INSTALLED CLIP ON FLOORBEAM FS 280 AND FLOOR SUPPORT LBL9 INBD AND OTBD SIDE PER STANDARD REPAIR 601R 53-0057A.