Sunday marks one year since a door plug blew out on an Alaska airflight over Portland. In the weeks and months that followed, scrutiny zeroed in on Boeing, the manufacturer of that 737 Max.

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 said Friday that it had hit several internal targets on safety and quality control despite a series of embarrassing and catastrophic incidents that has seen its share price plunge and airlines around the world pull some of its planes.

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.

Sunday marks one year since an Alaska Airlines flight from Portland was forced to make an emergency landing after a door plug blew out mid-flight. The plane was a Boeing 737 Max 9.

Boeing says it has made improvements to ensure safety and quality. Here is an outline of the progress the manufacturer says it is making.

Nearly one year after a door plug blew off a 737 MAX 9, Boeing says it is making progress in safety and quality.