Alaska Airlines is inspecting all of its Boeing 737 Max 9 planes. United Airlines will also ground some of its jets. Meanwhile, Southwest and American said they do not carry the affected model.
The National Transportation Safety Board is investigating an incident with the Embraer 170 aircraft which killed an American Airlines worker on Saturday in Montgomery, Ala.
The Federal Aviation Administration says it will share information of passengers who are being fined for unruly behavior with the Transportation Security Administration.
The inspector general for the Transportation Department says U.S. regulators must address oversight failures that led to two deadly Boeing 737 Max crashes in 2018 and 2019.
