Transcript for FAA takes action after airplane's engine falls apart mid-flight
time. We'll turn now to those urgent concerns this morning after that mid-air emergency, more than a hundred Boeing jets grounded globally, this after an engine abroad an united airlines flight burse into flames. Gio Benitez has the latest. Reporter: This morning the FAA and Japan's civil aviation bureau grounding all Boeing 777 with a specific Pratt & Whitney engine. How this engine fell apart in mid-air. Engine failure. Reporter: The pilot calling a mayday at 13,000 feet. All of a sudden there was just a big boom and the ring around the engine flew off. Reporter: 231 passengers abroad united 328 from Denver to Honolulu Saturday, that terrifying site right outside their windows. The NTSB saying two fan blades were fractured. You can see a broken fan blade in this engine. My daughter, we held hands and I started praying. We held each other really close. At one point I turned to talk to her and I could see debris flying out our window and I kind of told her, you know, let's not look outside. Reporter: On the ground massive pieces of metal falling on to neighborhoods. Some running away, trying to avoid getting hit by pieces falling out of the sky. It's got a blown engine. Oh, no! Reporter: Hundreds of people calling 911. It almost landed on my head. Reporter: The operators overwhelmed. 911. Reporter: This giant piece calling on his lawn, crushing his truck. I stood up and looked out the window, and said, oh, no, that's the front part of the ebb gin. Reporter: That specific engine taking center stage. What the NTSB wants to look at is there evidence of pre-existing issue with that engine. Reporter: United airlines has grounded 52 of its airplanes and this morning, Boeing tells us that it supports that decision to suspend the 777 with that specific engine. Gio, thank you so much.
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