On Jun 10, 1:57*pm, John B wrote:
So what's the latest (alleged) fault that's required the 377/5s and
378s to be taken out of service all about, then...?


FWIW, JourneyCheck for FCC appears to list all the short formed
services on the Thameslink route:
http://www.jcheck.com/firstcapitalconnect

This is exceptionally bad timing, as the core Thameslink route will no
doubt be under considerable strain today with bods attempting to route
around the Tube strike.