Page 42 - Pylon News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Once he is caught -- the legal panel weighs in next. >> i try to listen to the message, keep my eye on the pylon, it was tougher than i thought it was. also, chris lawrence wearing a funny hat, goes for a drive in the name of science, sort of. what's really going on in the brain when we talk and drive. i promise you, this is must see television. and later, let's say you're on the phone driving and you crash. should the police have the right to take your phone from you and search what calls and texts you made? that's what cops in new jersey want the power to do. the question is, is it legal...

>> you can see the pylon assembly, on which the engine rests on the pylon and it's attached to the wing. >> it looks like an arm that the engine is hanging off of. that's a very complicated piece of structure. it has to be designed to take a heck of a load from the engines. >> investigators also scrutinize the plane's service history. that's where the puzzle pieces start to come together. it turns out not to be a design flaw. it's a troubling maintenance practice. >> the whole issue of the accident centered on the maintenance practice of changing an engine with this pylon attached as opposed t...

Hold the pylon on the wing, they created a stress situation that, over a period of time when the airplane was returned to service, caused one of the bolts to fail. >> this morning, investigators were out on runway 32 right at o'hare airport looking for a bolt about four inches long. >> the crack is hidden from view, so it goes undetected. with every takeoff and landing cycle, putting stress on the broken flange, the crack is growing, and no one knows it. eight weeks after the engine change when flight 191 takes off on that warm spring afternoon, suddenly, without warning, disaster. >> takeoff ...

>> there was no noise at all. and the plane, it went left wing tip right into the ground. it had a napalm effect. everything in its path was blown into a sheet of flame. >> initially, ntsb investigators are baffled, what could have caused a structural failure of this magnitude? >> this is all that's left of american airlines flight 191, as far as it got on its way to los angeles. >> they sift through the wreckage and look to the plane's two flight recorders for clues. within days of the crash, they begin to zero in on a part called the pylon. it has a 13-inch crack they believe was caused by f...

From the pylon but leaving the pylon attached to the wing. at the time, engineers from several airlines were using a shortcut. they found if the pylon and engine were removed in one piece, they could change the engine more quickly. >> they just dropped the entire unit from the wing. changed the component and put it all back together. in theory it sounded great, on paper it looked good. >> it's when maintenance workers are reattaching the engine and pylon eight weeks before the crash the soon to be fatal mistake is made. if the airline had followed manufacturer requirements, workers would have ...