NTSB issues 'urgent' safety warning for Boeing 737-MAX rudder systems

Sept. 26 (UPI) -- The National Transportation Safety Board Thursday issued "urgent" safety recommendations warning of the potential for rudder control system problems on some Boeing 737-MAX aircraft.

The NTSB said it issued the warnings to Boeing and the Federal Aviation Administration after discovering that rollout guidance actuators, a key rudder control component, were "significantly compromised" in tests on a pair of Boeing 737-8s, a variant of the manufacturer's MAX series.

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