As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FLOOR STRUCTURE LOCATED BETWEEN FR 11 AND FR 15 Y1213 IN PASSENGER CABIN (MAIN DECK). REPLACED FLOOR STRUCTURE LOCATED BETWEEN FR 11 AND FR 15 Y1456 IN PASSENGER CABIN (MAIN DECK), IAW A300-600 DWG 53612310 ISSUE A AND A300-600 SRM 51-72-10.