As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B-INSPECTION FOUND THE LAV CENTER BEAM GUSSETT CORRODED & THE LAV LEFT BEAM GUSSETT CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED NEW LAV CENTER BEAM GUSSETT IAW SRM 51-40-02, AND NEW LAV LEFT BEAM GUSSETT IAW SRM 51-40-02. THE AIRCRAFT WAS RETURNED TO SERVICE.