Is this not a 'service disruption' situation? At the bottom of the page, the yellow icon is associated with 'performance issues'.
If there's one thing that's shocked me about AWS, it's the total failure to acknowledge the severity of service disruptions. Like the above case, or the fact that a 3-hour loss of connectivity is displayed on the service history as a green tick with a small 'i' box: http://oi46.tinypic.com/x5qtch.jpg