As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION FOUND CRACK ON INTERCOSTAL LOC BTW BS 277 TO BS 294.5 FLOOR STRUCTURE AT PASSENGER CABIN. MAINTENANCE REPLACED INTERCOSTAL LOC BTW BS 277 TO BS 294.5 FLOOR STRUCTURE AT PASSENGER CABIN AND FASTENERS AS PER SRM 51-10-02 AND DRAWING 141A5400.