The aircraft was cleared to fly again in November after the company modified its previously flawed flight control system, which pilots didn’t know about and had caused some aircrafts to nosedive. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/2WWT0rv WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #Boeing #737Max