As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK LAV FLOOR O/B SUPPORT HAS CORROSION FROM FR- 11 TO 14, LBL- 62". CLEANED AREA IAW AMM 12-21-12. UPON INVESTIGATION FOUND FLOOR SUPPORT EXFOLIATED OUT LIMIT. REMOVED FLOOR SUPPORT BETWEEN FR 11 TO FR 18 LBL Y1416 IAW SRM 51-40-21. REPAIRED FLOOR SUPPORT IAW SRM 53-12-15. MAJOR REPAIR.