Boeing Falls as FAA Orders More Max Changes to Address New Risk
- Tests in simulators revealed issue unrelated to two crashes
- Company’s best-selling jet has been grounded since March 13
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Boeing Co. tumbled after tests on the 737 Max revealed a new safety risk, prompting U.S. regulators to order additional design changes to the grounded jetliner.
The Federal Aviation Administration discovered that data processing by a flight computer on the jetliner could cause the plane to dive in a way that pilots had difficulty recovering from in simulator tests, according to two people familiar with the finding who asked not to be named discussing it.