56050 Wolfhall 2 July 1985

56050 rounds the sharp curve at Wolfhall on 2 July 1985 with the 6B24 10:05 Acton to Merehead Quarry Foster Yeoman stone empties, complete with single interloper ARC hopper. The train is passing the abutments of the MSWJR bridge that carried the Swindon to Andover line over the GWR route. I'm not quite sure what's happened to the loco's cab door, but it seems to have suffered slightly. Is this a result of the door sticking and somebody using some excessive force to open it?