(10 Nov 2015, 7:59 pm)DanPicken wrote Because they were done before 7518 as they were suffering reliability issues.
Uninformed drivel.
Ashington didn't apply branding as requested by MANAGEMENT as it is a spare vehicle, look at other Sapphire spare vehicles.
Until 7518 officially becomes allocated onto X21/X22 I will keep classing it as an odd working.