Nige,
Sorry for the delay, it has just taken me an hour to find the reference again:
BoI Para 43 (page 2-39)
Moreover, the expert also states that neither explosive suppressive foam nor nitrogen inerting would have prevented the fire developing, or the boiling of fuel in the No 7 tank, or the subsequent explosion.
Vage,
I share your views. I was concerned before the report was published, but now I am very worried about flying in the aircraft.