This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Alaska Airlines N704AL, a 737 Max 9 which made an emergency landing at Portland International Airport after a part of the fuselage broke off mid-flight on Friday, is parked at a maintenance hanger in Portland, Ore., Saturday, Jan. 6, 2024. Credit: AP Photo/Craig Mitchelldyer An emergency landing by an Alaska Airlines jetliner ha ...