In a letter to the Federal Aviation Administration (FAA) the chair of the National Transport Safety Board (NTSB) Jennifer Homendy has suggested that at least 40 non-US operators could be flying Boeing 737s with a defective actuator installed.  

On September 26, 2024, the NTSB issued an urgent safety recommendation to Boeing and the FAA following an incident at Newark Liberty International Airport (EWR) in February 2024, when the rudder pedals jammed on a United Airlines 737 MAX 8.   

The aircraft potentially affected include certain Boeing 737NGs and 737 MAXs equipped with a Collins Aerospace SVO-730 rudder rollout guidance actuator that tests found to be defected.    

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