{"UUID":"6c7c05d1-637f-49a9-bc6d-120eacad0b46","URL":"http://aws.amazon.com/message/2329B7/","StartTime":"0001-01-01T00:00:00Z","EndTime":"0001-01-01T00:00:00Z","Categories":["postmortem"],"Company":"Amazon","Product":"","Description":"An unknown event caused a transformer to fail. One of the PLCs that checks that generator power is in phase failed for an unknown reason, which prevented a set of backup generators from coming online. This affected EC2, EBS, and RDS in EU West."}