As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER LONGITUDINAL FLOORBEAM UPPER STILL BETWEEN FRAMES 13-16 HAS AREAS OF CORROSION. REMOVED CORROSION ON CENTER FLOORBEAM UPPER SILL BETWEEN FR 13-16 (IAW EMB120 CPM 51-14-00 REV 10). REMAINING THICKNESS .030 (IAW EMB120 SRM 53-10-10, 53-00-00 REV 58). MATCH DRILLED NEW PART (PER EMB120 SRM 51-40-06 REV 58). INSTALLED NEW CENTER LONGITUDINAL FLOORBEAM UPPER SILL (IAW EMB120 SRM 51-40-02 REV 58).