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+10 WL208 LBL53.<[01] PARTIAL STEP 1;[02] REMOVED AND REPLACED INTERCOSTAL AT BS380 TO BS400 WL208 LBL53 PER SRM 51-40-02-0G-0 AND BOEING DWG 143A5400 REV -.;[03] VERIFIED CORRECTIVE ACTION #2