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“Dutch Roll” incident triggers FAA/NTSB investigation

The FAA and National Transportation Safety Board (NTSB) are currently investigating another concerning incident in which a Boeing 737 Max 8 experienced a “Dutch roll” at about 32,000 feet – a rare phenomenon in which the aircraft rolls in one direction and yaws in the other.

The incident occurred on May 25 during a Southwest Airlines flight from Phoenix to Oakland. The pilots managed to regain control of the plane and land safely, although the plane’s standby power control unit (PCU) was significantly damaged, a report said.

On Thursday, the FAA issued a statement saying it was working closely with the NTSB and Boeing to determine the cause of the incident, while noting that no other airline had reported similar incidents. Southwest also said it was cooperating with authorities and the NTSB expects a preliminary report within 30 days.

The incident is the latest setback for Boeing as the manufacturer faces intense scrutiny following the burst door stopper on an Alaska Airlines 737 Max 9 flight in January that led to a temporary grounding of the fleet.


Editor’s note: This article first appeared on ^ “AVweb.