As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FLOOR BEAM INTERCOSTAL UPPER FLANGE PUNCTURED BETWEEN STA 312 TO 328 AT LBL 47. (DOR-241-001) REF AAR N/R 9936838 REMOVED AND REPLACED INTERCOSTAL AT STA 312-328 LBL 47 MAIN CABIN IAW B737-800 SRM 51-40-02-00-0 AND DWG#141A5400