I've seen 32 in the cabin (E-zone) with OAT of 12 in LHR sans APU. The F/D is always hot. I've seen much hotter in the cabin, but for some reason that one sticks in the mind. 2 1/2 hours with 2 running seems a lot (other issues?) but not impossible. Screens down, shades down last one out is a sissy.... If you get on and its like that - open the hatch and F/D door - and in direct contravention of the FAM jackets and ties off
