As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN FLOOR SUPPORT INTERCOSTAL CRACKS AT FASTERNER HOLE BETWEEN STA 380 AND 400 ,BL-0 MKD DOT AS PER T/C 58-5300-1-2710 REF AAR N/R 99870731 REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN BETWEEN STA 380 & STA 400 BL-0 REF. B737-800 SRM 51-40-02 AND DWG 143A5400 ADD EMP:V898225 RII INSPECTION ACOMPLISHED BY AAR INSP 20