Ntsb Headquarters News Today : Breaking News, Live Updates & Top Stories | Vimarsana

It's not just cold weather you're looking at. you're looking at a lack of oxygen and pretty significant consequences very early from that lack of oxygen and folks in the cabin. >> reporter: tonight with the faa grounding the max 9, airlines around the world have been forced to cancel hundreds of flights. in the u.s., alaska canceling 170, united 180 saying it's waiting for the faa to provide directions. >> tom is with us now. we've heard the tom's black boxes have arrived at ntsb headquarters in washington. what's next? >> that's right. investigators are investigating the crew today. they're a...

Thanks so much for joining us. this morning, experts are working to determine what caused a hole to tear right into the roof of a southwest airlines flight out of arizona, and the airline is taking a closer look now at all of its fleet. the flight recorders from flight 812 arrived at ntsb headquarters in washington. officials hope they carry clues about the terrifying mishap. investigators in yuma, arizona, where the plane landed, will remove a section of the plane around the hole to examine the metal. meanwhile, southwest has grounded 80 planes to inspect their aluminum skin. the inspection...