Great review as always 
The diversion on the 46 was due to a burst water main in Langley Moor which certainly seemed to be causing problems with the 49/49A, saw three leave Durham within seconds of each other as I was arriving in Durham yesterday.
Surprised I didn't see you whilst I was in Durham yesterday afternoon as I arrived just after 12:45 on the 7, although I spent much of time in Durham yesterday afternoon hanging around by the Rail Station getting photos of coaches on Rail Replacement Services which is not something I'd normally do. Did see Jackamcardle though.
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