Typically, an engine of this kind includes more than 800 hundred parts. But the new engine, which GE calls Advanced Turboprop — or ATP — will have just a dozen or so because large parts of the engine will be 3D printed from titanium and steel. Image credit: GE Aviation
The National Transportation & Safety Board has determined that a disk in the engine turbine failed. NTSB investigators have been in Chicago all weekend trying to figure out why the plane experienced uncontained engine failure, which means parts of the engine exploded in different directions.