As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX CABIN MAIN DECK FLOOR AFT WET AREA BS 1620-1640 AT LBL 20 HAS CORROSION BY NUT PLATES ALONG INTERCOSTAL. MAJOR REPAIR ACCOMPLISHED: INSTALLED NEW INTERCOSTAL PAX CABIN MAIN DECK AFT WET AREA BETWEEN 1620-1640 AT LBL 20 REF SRM 51-40-02.