As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK STIFFENER ASSY FLOOR STRUCTURE LOCATED BS540 AND BTW BL 0 TO RBL24.75 PASSENGER CABIN. REPLACED STIFFENER ASSY FLOOR STRUCTURE LOCATED BS540 AND BTW BL 0 TO RBL24.75 PASSENGER CABIN IAW SRM 51-40-02-0G-0 AND DWG 143A0060 SHEET 44 REV A.