As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THERE IS CRACKED INTERCOSTAL IN PASSENGER CABIN FLOOR STRUCTURE AT BS380+14 WL208 LBL3.<[01] PARTIAL STEP 1;[02] CORRECTED FASTENER HOLE SIZE REFERENCE IN STEP 1;[03] REMOVED AND REPLACED INTERCOSTAL AT BS380 TO BS400 WL208 LBL3 IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A5400 REV -.;[04] VERIFIED CORRECTIVE ACTION ITEMS; CARD COMPLETE.