55030 (L130) is substituting for a missing Class 101 vehicle on 22 February 1990, as it passes non-stop through Iver station with the 2F39 12:15 Paddington to Reading Network SouthEast service. Class 101 set L831 has had DMBS 51211 removed, and to add a driving cab to the unit, 55030 has been coupled to the remaining two vehicles (59115 & 53265).