NTSB: DESIGN OF ALL 737 RUDDER SYSTEMS 'COULD LEAD TO LOSS OF CONTROL'
National Transportation Safety Board concluded Wednesday that all Boeing 737s in airline service, even the next-generation aircraft, have a rudder system "that could lead to a loss of control." The board said that the dual-concentric servo valve used in all 737 main rudder PCUs is not "reliably...
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