977595 stands at Carlisle while forming part of an unidentified southbound test train hauled by 92013 on Saturday 14th August 1999.
This vehicle was formerly 13573, a Mk2d AA1D/FK - Gangwayed Corridor First and remains in BR Blue/Grey livery.

Photo and Scan: Ross Aitken (aos@cableinet.co.uk)
Website: http://wkweb4.cableinet.co.uk/aos/photography