As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN BELOW FLOORBOARD 221AF STA 277 TO STA 291.5 BL 0 FLOORBOARD SUPPORT HAS A CRACK AS MARKED. / REMOVED AND REPLACED CRACKED FLOOR SUPPORT AT STA 277-291.5 BL0 IAW BOEING DWG # 141A5400 REV- AND B737 SRM 51-40-02-0G-0. A TAG # WN6532