National Grounded flights were the result of employees deleting critical files, FAA says 6:25pm January 20, 2023 by David Schaper Business Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Religion Chicago Catholics react to the news of Pope Leo X1V World News Europe marks 80 years since the end of World War II by Lauren Frayer 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate