(20 Jun 2021, 6:48 am)NewcastleOne wrote 6154 was repainted a while ago (after an accident in Sunderland?) and I believe it was said that due to these arriving not that along ago 3/4 years ago the interiors are still fresh. So I don’t think it’s refurb but a modification of some sort.
Maybe they could paint black window surrounds while it’s there.