(CNN) — The National Transportation Safety Board unveiled new details describing a stunning frame-by-frame images showing the left engine separating from the plane and going up and over the wing , after the fiery crash of a UPS plane in Louisville killed 14 people earlier this month and left a half-mile long debris field.

Critical hardware that kept the left engine attached to the UPS airplane failed, according to a report just released by the NTSB.

On November 4, the McDonnell Douglas MD-11 plowed into the ground after takeoff, creating a massive fireball near Louisville Muhammad Ali International Airport. The UPS freighter was a 34-year-old jet and had been in the process of being phased out by the cargo carrier. It left a fiery trail of destruction through businesses and roads th

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