47804 + 57313 t'n't = 1Z87 0746 Bridge Of Orchy-Kilmarnock(804 to Glasgow C then 57).
47790 joined the XHAC normal serviceable loco pool by 03/10 and was under exam at Eastleigh on that day. 47828 was available for traffic at Gresty Bridge, itself having recently returned to the XHAC pool.
