Boeing: Regulator issues ultimatum over quality issues. Part of the cabin wall falls out of an Alaska Airlines Boeing 737 MAX-9 shortly after take-off from Portland at an altitude of almost five kilometers.

It then turned out that four bolts were missing from the cabin door. FAA summoned Boeing CEO Dave Calhoun to an all-day meeting on Tuesday. The Airbus rival has long been the focus of authorities since two Boeing crashes in 2018 and 2019 claimed the lives of 346 people.