A Southwest Airlines plane that did a ‘Dutch roll’ suffered structural damage, investigators say WBRZInvestigation underway into rare, unsafe airliner roll experienced by a Boeing 737 Max CNNFAA, NTSB investigate Southwest Airlines ‘Dutch roll’ incident USA TODAYWhat is a Dutch roll? A look at the phenomenon that grounded a Southwest jet San Francisco Chronicle‘Dutch roll’ incident on Boeing jet is being investigated – The Washington Post The Washington Post