One thing that struck me about the incident was, passing through Manchester two weeks later, the substantially burned grass had been completely reinstated, without even a sign of having been patched. If there were any marks on the taxyway those had been removed as well.
I always wondered, with the CAA subsequently requiring removal of one seat by the overwing exits in a 130-seat 737-200, how they could ever honestly have certified it as such in the first place ...