NEW DELHI (Reuters) -The head of Boeing Commercial Airplanes, Stephanie Pope, met the chairman of Air India on Monday in India, two sources said, as the companies seek to find the cause of last week's fatal crash involving a Boeing 787 Dreamliner.

There have been cases of a very small number of survivors in very serious accidents, but it is "very rare" for there to be only one, a professor told Newsweek.

Recent problems with the Dreamliner have also drawn attention. American Airlines decided to ground a "new premium-heavy Boeing 787-9 Dreamliner due to serious maintenance problems