As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD CABIN FLOOR MACHINED INTERCOSTAL STA 344-360 LBL11 UPPER FLANGE IS CRACKED AT AFT FLOOR BOARD HOLE / REMOVED AND REPLACED FORWARD CABIN FLOOR MACHINED INTERCOSTAL STA 344-360 LBL II IAW BOEING DWG 141A5400 REV:B AND B737 SRM 51-40-02-0G-0