(06 Jul 2014, 6:16 pm)AIG20 wrote I think 22214 spent a few weeks at Slatyford before returning back to Sunderland, and 22215 spent a few weeks withdrawn at the rear of Sunderland depot before being returning to service.
Unless I've copied the information down incorrectly from the fleet cards, 22214 was actually transferred to Walkergate.