From the FGW website :

16:00 Cardiff Central to Taunton due 18:01
This train has run short formed with 3 carriages.This is due to a train fault.

16:42 Gloucester to Weymouth due 20:06
This train will run short formed with 2 carriages between Gloucester and Westbury.This is due to an earlier train fault.

17:00 Cardiff Central to Taunton due 19:01
This train will be started from Bristol Temple Meads.It will no longer call at: Cardiff Central, Newport South Wales, Severn Tunnel Jn, Patchway and Filton Abbey Wood.This is due to a train fault.

17:12 Bristol Parkway to Weston-Super-Mare due 18:00
This train will run short formed with 1 carriages.This is due to an earlier train fault.

18:07 Taunton to Bristol Temple Meads due 19:15
This train will run short formed with 3 carriages.This is due to an earlier train fault.

18:14 Weston-Super-Mare to Bristol Parkway due 19:03
This train will run short formed with 1 carriages.This is due to an earlier train fault.

Yes, I saw that on the website, before I left work this evening, John, and decided things might be a bit dodgy - that's my beloved 17:53 from BTM!

So, I caught the 18:22 instead this evening: sorry to rub it in, but it arrived from PAD early, and left BTM dead on time!