Boeing details its safety enhancements a year after a door plug blew off midflight

Nearly a year after a door plug blew off an Alaska Airlines 737 Max 9 aircraft, Boeing says it has made strides improving safety for airline passengers.

​ Nearly a year after a door plug blew off an Alaska Airlines 737 Max 9 aircraft, Boeing says it has made strides improving safety for airline passengers. Read More Breaking News, Latest News and Videos | CNN