(10 Nov 2014, 5:38 pm)Dan wrote This was 5324 - heading to Saltmeadows for repairs. Deptford may well wait for 5324 to be done before sending 5322 so they're only one Merc down instead of two.
5324 will indeed be repainted whilst at Saltmeadows and Deptford has therefore kept 5322 in service until 5324 returns.