A US Transportation Safety Board inspector observes the torn door on the Alaska Airlines 737 Max 9.
The agency said these aircraft would not be allowed to fly again until it approved a thorough and rigorous inspection and maintenance process.
< p class="StyledBodyHtmlParagraph-sc-48221190-4 hnvfyV">As of Friday, United Airlines canceled flights on its 737 MAX 9s through Jan. 16, and an airline spokesperson said Tuesday that the cancellations had been extended until January 17.
In addition, the Chinese airline China Southern Airlines will inspect its new deliveries of these aircraft, this which could extend delivery times, according to the Wall Street Journal.
In addition, Boeing on Tuesday named the ;retired Admiral Kirkland Donald as advisor to Boeing Chief Executive David Calhoun to undertake a comprehensive review of Boeing's quality programs and practices.