Originally 55015 but by this time numbered TDB977177, however in this 4/11/83 view at Glasgow Queen St it seems to only carry the number '1'! Hamish Stevenson.
977177 at Ardlui in the 1980s. Norman Smart.
Carrying a 'Scotty Dog' and the name 'SANDRA', sandite/route learner TDB977177 is seen at its home depot of Eastfield, circa 1984. Andrew McConnell.
Class 131 977177 is seen at Eastfield on 25.05.1986. It was converted from 55015, and was used as a route learning car. Andy Cole.
55012 / 977941 at Knottingley, circa 1996. Tim Moss.
55012 stands in Tyne Yard on Saturday 5th June 1999. At this time it was a EWS crew trainer / route learner. Ross Aitken.
977941 / 55012 stored at Thornaby, 30/6/07. Daniel Adkins.