Pylon Assembly News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Outside tucson, arizona. >> you can see up here the pylon assembly, in which the engine rests on the pylon and then 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. and 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 that accident centered on the maintenance practice of changing an e...

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 simply reattached the engine to the pylon using a specialized machine, recommended by the manufacturer. but because they've removed the massive engine/pylon assembly together, now it has to be replaced as one un...

>> 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...

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 ...

>> 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...