(18 Oct 2024, 9:10 pm)PH - BQA wrote Notice a post on Flickr (https://flic.kr/p/2qnRSoG) seems to suggest that the 74-plate MMCs at Gillingham were originally ordered for Durham and Darlington.
Understand they were originally for Wakefield with their Streetdecks cascading northwards to Durham - the order was diverted when the troubles at Wakefield depot became clear.