As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FORWARD WET AREA FLOOR INTERCOSTAL STA 277-294 BL 0 UPPER FLANGE IS CRACKED AT BOTH FLOOR BOARD HOLES / REMOVED AND REPLACED WET AREA FLOOR INTERCOSTAL AT STA 277 TO STA 294 BLO IAW B737 SRM 51-40-02-0G-0 AND BOEING DWG 141A5400 IDI0020; REV I-