ntsb chief jennifer h hamandy. >> the ntsb is very focussed on this eric. we want to determine how this happened >> reporter: the door plug that blew off friday landed behind high school teacher bob sowers' house. >> it was unbelievable that that thing people had been looking for all weekend happened to be in my yard >> reporter: with every max-9 grounded ahead of inspections, the faa said the safety of the flying public, not speed, will determine the timeline for returning the boeing max-9 to service. testified in congress about two max-8 crashes fears the culture has not changed. >> things not changed. it's going to be horrible for families >> reporter: united and alaska canceled more flights tuesday and are expected to cancel more through the week >>> still to come, we are welcoming the newest guest at the white lotus, and baby yoda comes to the big screen. new details on the latest "star wars" project after this of r wars" project after this. of good thing the general gives you a break when you need it. yeah, with flexible payment options to keep you co