46521 suffered a major derailment at Quorn & Woodhouse station on 27th April. The loco and train pulled away against a signal which was set at danger and was derailed on the catch points which protect the main line from such an occurrence.
http://www.youtube.com/watch?v=Yr5EztEPJS8
Also see http://www.youtube.com/watch?v=Esp_iNpMTdo
