OO BR Class 91 BoBo 91002 Durham Cathedral Era 891002 entered traffic in April 1988 and went straight into testing on the East Coast Main Line, hauling test trains comprised of Mk. 2 and Mk. 3 stock, before being delivered into Bounds Green for operational use from the middle of June that year. From Autumn 1989, British Rail started naming the Class 91 fleet and on 4 May 1993 91002 received the name 'Durham Cathedral', which it carried until February 2009.