As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT LAV HAS CORROSION AT FLOOR UNDER THRESHOLD PLATE AT AFT END AT MOUNT LUG FOR LAV MODULE TO FLOOR. REMOVED THRESHOLD AND CORROSION BUILD-UP, REPAIRED HONEYCOMB AND INSTALLED ONE NEW INSERT. REINSTALLED THRESHOLD PER SRM 51-10-02 PARA 11.