Transcript for ‘Falling From the Sky’| 20/20 Event Special airs Friday at 9|8c on ABC
Shortly actually got one of the two control columns in the library was something that was just caused by turbulent days passengers were. And hysterical. Screaming. You ask. Street. He screamed in pain the name of Bob. The plane came down it's such an enormous rate of speed that it essentially disintegrated. The Boeing 737. Max eight crashing to earth just six minutes after. Take off. This just more than four months after the first 737 crash why did the second accident happened. Turns out there was an. Danger on the play calling and install the flight control system that had the power. Take control of the plane from the pilots without them even knowing about. It's Kris. This recession. It was a computer against the violent yes in other words it was given the power to try to kill them until I succeed. She was a force of nature she is beautiful intelligent charismatic she could just let upper room. We got back the house orange this is it as well it all. It's nothing jet fuel he needs us now in death. I wish I could train bliss is another. Boeing field lines we're not afraid of Carolyn. How they can you. Sleep at night there is no singular. Items chain of events but what he came up with in the end this flaw was it not. True 46 people died in Iraq Turkey questions you're about that. I want to see it to use the term actually I don't you to understand. Why did he let those planes were back on the air so not only could make money. After making changes the FDA has given but when do we might for these planes to fly again. Now you can use the information coming out shocked at just the tip of the guys first stunning detail. It's personal passenger video I open influence in the relations. Never think about what goes through your mind and heart of pilots from the plan's going yes I think it's everyone's worst nightmare. And central people who are responsible for decisions which kill other human beings should be personally responsible they'll find.
This transcript has been automatically generated and may not be 100% accurate.