Sun/moon Roof Assembly problems of the 2012 Subaru Outback

The contact owns a 2012 Subaru Outback. The contact stated while entering the vehicle, it was discovered that rainwater had leaked into the vehicle from the sunroof. The contact stated that the failure had occurred on six separate occasions. The vehicle was taken to the local dealer who determined that the cause of the failure was due to the sunroof drainage tubes being clogged with debris. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was offered. The contact stated that an unknown TSB addressing the failure had been issued by the manufacturer. The failure mileage was 16,781.