As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0634511) CORROSION ON PASSENGER FLOOR SUPPORT STA 328-STA 344, LBL 12, WL 208. REMOVED AND REPLACED FLOOR SUPPORT (INTERCOSTAL) LOCATED BTWN STA 328 TO STA 344, LBL 12 WL 208 IAW B737 SRM 51-40-02-0G AND COMPLYING WITH BOEING DWG 141A5400.