. >> cnn safety analysis david soucie is here with us. he's a former faa safety inspector. explain to us pulling of the fire extinguisher handles what this would do in a situation like this? >> well, depends on which one he pulls of course, if you're shutting down the fire extinguishers on the engine, it causes the engines to shut down because it's telling you there's a fire on board. the pilot also saying he was trying to shut down the engine, that might not have been the only thing he did. >> and there's no recovering, if you have the extinguisher pulled. i mean, the plane basically becomes like a glider? >> well, you can pull both, typically, you only pull one or the other. this guy sounds like he was trying to shut down whatever he could. at that point, there would not be a lot of recovery at that point, other than glide to the aircraft, they do still glide if you have good landing ahead of you. typically in that situation, at that altitude, you might not have that many options. >> the pilot on that recording sounds amazingly calm. i cannot match timagine this wa calm m