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New “Emergency Safety Recommendations” from the US National Transportation Safety Board to Boeing

September 27, 20242 Mins Read

The US National Transportation Safety Board (NTSB) issued “emergency safety recommendations” for some planes in the “Boeing 737 class,” including the Max series, urging a review of applications in critical flight control systems for jamming issues. In a statement from the NTSB, it was reported that an emergency safety recommendations were provided to the US Federal Aviation Administration (FAA) and Boeing in a report regarding possible malfunctions in control systems on some “737 Max” and “NG” planes. The statement highlighted instructions in Boeing’s 737 flight manual for pilots to eliminate jamming in the control column by using “maximum power,” expressing concerns that the amount of force applied during landing or takeoff might unintentionally lead to loss of control or runway excursion. The statement noted the need for Boeing to find different alternatives to resolve jamming issues in control systems, warning that pilots should be alerted and trained accordingly. The FAA, commenting on the NTSB’s “emergency safety recommendations,” stated that it would closely monitor the situation and establish an investigative panel based on the NTSB’s temporary recommendations to determine next steps. Following an investigation initiated by the NTSB due to jamming in a control component during landing on a “Boeing 737-8 Max” aircraft in New Jersey on February 6, a report revealed a “significant decrease” in the functionality of actuators (components that control and move a system) for tested control systems in similar aircraft in cold and damp conditions.

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