Airlines ground some 737 Max airplanes after Boeing discovers new problem

Boeing has recommended that airlines temporarily take the 737 Max out of service because of an issue with the plane’s electrical systems. It’s the latest in a now very long line of problems that have cropped up with this particular plane since two of them crashed in 2018 and 2019, killing 346 people. But it’s the first to ground the plane since the Federal Aviation Administration approved its return and it went back into service late last year.

The new problem has to do with whether there is “a sufficient ground path” for a particular component of the plane’s electrical power system, according to Boeing. Southwest Airlines, which is the most dependent in the US on the 737 Max, has already grounded 30 of the planes, while American...

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