Alexandra Skores, Aaron Cooper, CNN Tue, 30 June 2026 at 9:33 pm UTC 1 min read Add Yahoo as a preferred source to see more of our stories on Google. A United Express Embraer ERJ-175ER operated by Mesa Airlines on April 27, 2023. - Larry MacDougal/AP/File The Federal Aviation Administration is investigating after a passenger tried to open the cabin door and led a regional jet to make an emergency landing on Tuesday.