Looks Like a tech fault. Currently circling over the lake district at 13000ft - burning fuel as I don't think the A350s can dump fuel??. I'm sure someone with more info will be on shortly!
Comments:
DOBA85/22JAN
* OPERATIONAL FLIGHT INFO * BA 85 0 MO 22JAN24
CITY INFO HOUR (LOCAL)
LHR DIV YVR LHR
AIRCRAFT DEFECTS
ESTIMATED TIME OF ARRIVAL 1950 LHR
ESTIMATED TIME OF ARRIVAL LHR 2019 LHR