FAA says the manufacturer paid the maximum statutory penalty after violations that included two unairworthy aircraft and interference with safety officials
In February, the US civil aviation authority had urged the planemaker to develop a comprehensive action plan to avoid situations such as the door plug that came loose in flight on an Alaska Airlines 737 MAX 9
President of the National Transportation Safety Board, Jennifer Homendy stated that the manufacturer did not provide all the documents and information requested in the investigation