As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS, DURING A SCHEDULED INSPECTION THE RIGHT CENTER FLOORBEAM WAS FOUND CORRODED UNDER THE AFT WALL COMPOSIT FLOOR SUPPORT. MAINTENANCE REMOVED AND REPLACED THE CENTER LAV FLOORBEAM CAP. I/A/W-EMB-145-SRM-51-40-02, THE REPAIR WAS SATISFACTORY AND THE AIRCRAFT WILL BE RELEASED UPON COMPLECTION OF THE INSPECTION.