there was moments of am i going to make it? norah: the door panel found by investigators as we learn about warning lights in the cockpit. breaking news. a hotel explosion rocks downtown fort worth. after a weekend snowstorm, more dangerous weather is sweeping the middle of the country, bringing blizzard warnings and tornado threats. new questions tonight about defense secretary lloyd austin s secret hospitalization. why the public and the president weren t notified. the historic launch, why the first moon lander in over 50 years is in jeopardy. space exploration is a very risky business. hopefully they can not just get it to the moon bu actually land it on the surface. norah: good evening to our viewers in the west. i m norah o donnell. thank you for being with us on this monday night. we want to begin tonight with a major new development after the terrifying blowout in the sky. we learned just a short time ago about troubling new safety concerns and installatio