As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR SUPPORT IS CRACK AT STA 540 LBL 0 TO 23 REF AAR N/R 9923818 REMOVED AND REPLACED MAIN CABIN FLOOR SUPPORT AT STA 540 LBL 0 TO 23IN AS PER B737-900ER SRM 51-40-02-0G-0, SEALENT MIX TIME 10:00AM 11/15/24 APPLICATION TIME 10:05AM 11/15/24. IPC 53-42-11