7575 & 7576 made their debuts on service X94 today, although 7576 only did Middlesbrough to Whitby before being swapped for 7610 with 7576 seemingly being used for familiarisation / shuttling back and forth between the bus station and Whitby outstation.
7576 entering Middlesbrough this morning: https://flic.kr/p/2oDgqDh
Redcar depot