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Fri, Sep 11, 2009

AD: Boeing

AD NUMBER: 2009-19-02

MANUFACTURER: Boeing Model 737-600, -700, -700C, - 800, -900 and -900ER Series Airplanes
SUBJECT: Airworthiness Directive 2009-19-02

 

SUMMARY: This AD requires repetitive testing of the rudder pedal forces or repetitive detailed inspections of the inner spring of the rudder feel and centering unit, and corrective actions if necessary. This AD also requires replacement of the spring assembly in the rudder feel and centering unit, which terminates the repetitive tests or inspections. This AD results from reports of low rudder pedal forces that were caused by a broken inner spring in the rudder feel and centering unit; a broken inner spring in conjunction with a broken outer spring would significantly reduce rudder pedal forces. We are issuing this AD to prevent reduced rudder pedal forces, which could result in increased potential for pilot-induced oscillations and reduce the ability of the flightcrew to maintain the safe flight and landing of the airplane.

FMI: http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/0/26FCDE568386902A8625762C004C4A0A?OpenDocument

 


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