As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON CABIN FLOOR STRUCTURE SUPPORT FRAME AT BS328+8 LBL25 WL208.<[01] REMOVED AND REPLACED FLOOR SUPPORT INTERCOSTAL I.A.W SRM 51-40-02-0G-0 AND BOEING DWG 141A5730 REV:A;[02] VERIFIED RII CORRECTIVE ACTION ITEM 1; CARD COMPLETE.