56091 is about to cross over the spring-loaded points into the headshunt at Claydon Loop in the process of running-round its train, 6Z91, the 10:53 empty flyash train from Calvert to Didcot Power Station. This was the first time the loco had worked this train, taking over from 56303 after a few days' break over Easter. 11:12, Thursday 4th April 2013. Digital Image No. GMPI14722.