A year after a panel blew out of a Boeing 737 Max during flight, the nation’s top aviation regulator says the company needs to change its culture and put safety above profits.

Approaching one year since the Alaska Airlines incident that saw a door panel detach from a Boeing plane in midair, outgoing Federal Aviation Administration head Mike Whitaker said the plane maker's safety turnaround plan is "not a one-year project.

Almost one year after a door plug blowout on one of its 737 Max jets led to an explosive decompression, Boeing is now detailing the steps it has taken to improve safety during the manufacturing process.

Boeing says it’s making progress on its safety overhaul nearly one year after a door plug blew off during a flight. CNN’s Pete Muntean reports.