As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE INSPECTION FOUND THE LAVATORY RIGHT BEAM GUSSET TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED THE LAVATORY RIGHT BEAM GUSSET AND INSTALLED SERVICEABLE GUSSET IAW EMB SRM 51-40-02. THE AIRCRAFT WAS RETURNED TO SERVICE.