Federal Aviation Administration orders inspections after mid-flight dive blamed on random movement of pilots’ seats.
Videos show a passenger plane falling from the sky and crashing in a residential area in Brazil.
Brazilian President Luiz Inacio Lula da Silva decries ‘sad news’ and offers condolences to families of victims.
Boeing is working on design changes ‘that will allow the door plug to not be closed’ until it’s firmly secured, it said.