oregon, leaving a gaping hole. the national transportation safety board said it ripped off headrests. they're asking for help finding the part of the plane that fell to the ground. many air travelers will find delays after they grounded most boeing 737 max 9s. mike valerio is following this. a crazy situation. very scary. now it could be a major inconvenience for a lot of air travelers around the country who might have had flights booked on these types of planes. what's the latest? >> that's right, jim. the tributaries, all the story lines are quite astonishing from the airport where just across two run waste, this is the plane in question as we zoom in. the missing door plug is facing away. part of the noise is we're by the active taxiway and runway here. throughout the day investigators will be going up and down the aisles as the oxygen masks are