As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE WET AREA BETWEEN STA 328 AND 344 LBL 30. FLOOR SUPPORT HAS CRACK. REMOVED AND REPLACE FLOOR SUPPORT (INTERCOSTAL) AT MAIN CABIN FLOOR STRUCTURE WET AREA BETWEEN STA 328 AND STA 344, LBL 30 PER BOEING DRAWING 141A5410-16, SRM 51-40-05-0G-0 AND SRM 51-40-02-0G-0 AND DWG # 141A5400.