As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED INSPECTION THE CENTER FLOORBEAM CAP AT FRAME 61 WAS FOUND TO BE CORRODED AROUND SEVERAL NUT PLATES. MAINTENANCE REMOVED AND REPLACED THE FLOORBEAM CAP IAW EMB SRM 51-40-02. THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.