2) plane rests on the runway as fire crew begins spraying the engine 3) blast of water into the hot engine creates massive amount steam which enveloped the rear of the aircraft 4) rear exit opens and pax begin evacuating from the rear of the aircraft, followed by the more forward exits, to the surprise of the fire crews on the ground
https://www.airliners.net/forum/viewtopic.php?f=3&t=1499247&start=50

