Arriva Northumbria Routes 57/57A has received a lot of odd and very rare allocations over the last week covering various breakdowns
Tuesday 8th December: 7533 covering for 1800 which broke down while operating service 57
Wednesday 9th December: 7543 on evening 57A covering for 2813 which broke down while on 57A
Thursday 10th December: 1580 allocated all day on 57/57A in place of a solo
Friday 11th December : 1579 allocated all day on 57/57A in place of 2809 releasing 2813 to cover 1801. Later that day 2813 got replaced by 7553 for unknown reasons
Sunday 13th December: 1580 was allocated mid journey in place of 2813
Today 7510 was allocated in place of 2813 but 7510 had broke down meaning 7541 replaced it on 57/57A