Kuyoyo 16 Jul 2014, 9:11 am #73 Kuyoyo Kuyoyo Kuyoyo Posts: 6940 Threads: 43 Joined: Dec 2012 Reputation: 1 RE: Arriva North East - Rare and Odd Workings 1913 on the 21a as a replacement for the late running 4001.