Hopefully a speedy recovery for the flight crew.
Be interesting to see the takeoff weight they were at. With -15 or -17 engines, they have a fair performance ability single engine, better at sea level and when cooler without having to go significantly beyond T/O or go around EPR . If they were -7, -9 or -11, it could get a lot more sporty, with the proverbial remaining one that takes you to the impact site, especially if the remaining one significantly begins to overheat. Be interesting to see the results of that.