As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FLOOR INTERCOSTAL BETWEEN STA 344 AND 360 BL0 IS CRACKED / REMOVED CRACKED INTERCOSTAL AT STA 344-360 BL 0; LOCATED AND DRILLED NEW INTERCOSTAL. INSTALLED NEW INTERCOSTAL AT BL 0 STA 344-360 IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG 141A5400 REV-; AMM 51-21-91-620-802.