No formation details found.
Class 116 set TS550 in Spring Road station, undated. Closest is presumably 50082 which was painted into blue/grey in September 1980. The centre car, the the white/blue stripe refurbished livery, is probably 59366. It was replaced in the set sometime in 1981 by Class 101 59115. Ian Dinmore/railarchive.org.uk.
Do you have any images of the set you can add?