indication light came on and the engines on this plane are equipped with fire suppression equipment. but it didn't extingish the fire. did the equipment fail or a fuel line rupture cause the fire to spread? british airways flight 2276 burst into flames shortly before takeoff at the las vegas airport with 172 people on board. >> we were just getting speed to take off and heard a big thud. i opened up the cover of my window and saw flames on the engine. >> reporter: the pilots of the london bound boeing saw the engine fail and caught fire.