As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND PASSENGER CABIN FWD WET AREA FLOOR STRUCTURE LEFT SIDE BS 312 TO 328, LBL 47: INTERCOSTAL CRACKED AT NUTPLATE HOLE. MX REPLACED CRACKED INTERCOSTAL PASSENGER CABIN LT SIDE STA 312 - 328, LBL 47 IAW DWG 141A5400 AND SRM 51-40-02.