More than likely to head for scrap, and now painted black out of it's former Stobart livery, 66048 now appears to have gained some kind of 'Firework' colour scheme - quite probably it's last before scrap.
https://www.flickr.com/photos/37260/21441880225/in/dateposted-public/
https://www.flickr.com/photos/37260/21441880225/in/dateposted-public/