Blowout on Boeing 737 Max 9 Jet Prompts Grounding of Most Planes

An emergency landing by an Alaska Airlines jetliner last Friday prompted U.S. authorities to ground most of Boeing’s 737 Max 9 aircraft, another black mark in the troubled history of the company’s Max jets. The incident involved a blowout of a paneled-over exit door, called a door plug, which is exceedingly rare in air travel. The emergency grounding order affected about 171 planes with installed door plugs, comprising the vast majority of the roughly 218 Max 9s in service around the world.

While the investigation is still ongoing, preliminary inspections have identified “loose hardware” or “bolts that needed additional tightening” in the door plugs of grounded aircraft. The incident has renewed questions about the safety of Boeing’s Max 8 and Max 9 aircraft, the latest versions of the company’s storied 737.

The blowout is another setback for Boeing, which has been struggling to regain its footing after two fatal crashes involving its 737 Max planes in 2018 and 2019. The company has since made significant changes to the aircraft’s software and safety systems, but the latest incident has raised concerns about the plane’s safety once again .

The U.S. Federal Aviation Administration (FAA) has begun an investigation into the incident, which is focused on the door plug that blew off the passenger jet shortly after takeoff  The FAA has ordered airlines to inspect the door plugs of all 737 Max planes with installed door plugs.

The incident has also prompted Indonesia to temporarily ground three Boeing 737-9 Max jetliners .

In summary, the blowout on a Boeing 737 Max 9 jet has led to the grounding of most planes with installed door plugs, and has raised concerns about the safety of the company’s Max jets once again. The FAA has ordered airlines to inspect the door plugs of all 737 Max planes with installed door plugs, and the investigation is still ongoing.