NTSB: Some 737s at Risk of Rudder Jams
The company issued an pressing security warning on Thursday.
By AirlineGeeks.com Workers
The Nationwide Transportation Security Board (NTSB) issued pressing security suggestions regarding the rudder management techniques on sure Boeing 737 NG and 737 MAX plane, following an incident the place pilots skilled jammed rudder pedals throughout touchdown.
The difficulty got here to mild after an incident involving a United 737 MAX 8 in Newark earlier this yr. In keeping with the NTSB, the rudder pedals on the plane have been caught within the impartial place through the touchdown rollout.
This occasion prompted an investigation that exposed the issue may have an effect on roughly 350 actuators provided by Collins Aerospace put in in some 737 NG and MAX jets.
The NTSB’s investigation discovered {that a} sealed bearing inside these actuators was incorrectly assembled throughout manufacturing, making it prone to moisture accumulation. This moisture can freeze at excessive altitudes, doubtlessly resulting in restricted or fully jammed rudder motion, notably in chilly situations.
In response, the NTSB known as on Boeing and the Federal Aviation Administration (FAA) to take speedy motion. Suggestions embody figuring out applicable responses for flight crews ought to they encounter the same difficulty, and notifying pilots of the potential for the rudder management system to jam in sure situations.
In keeping with USA Today, the FAA is accepting the NTSB’s advice. “As a celebration to the investigation, the company has been monitoring this example intently,” the FAA mentioned in a press release to the outlet. “Tomorrow, we are going to convene a corrective motion evaluate board based mostly upon the NTSB’s interim suggestions and decide subsequent steps.”
United is reportedly the one U.S. airline that has jets geared up with the defective elements, and people have already been changed or eliminated.
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