47547 Radley 15 May 1992

47547 University of Oxford approaches Radley on 15 May 1992 with what would ordinarily have been the 1F52 18:08 Paddington to Oxford Network SouthEast service, but as that had just gone over to Class 165 Turbo operation, and would follow this, I'm at a loss to explain what it is. An ECS working presumably.