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 AREA LEFT GUSSET HAS CORROSION. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LAV AREA LEFT BEAM GUSSET IAW EMB SRM 51-40-02. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.