Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 Airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes

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The FAA proposes to adopt a new airworthiness directive (AD) for certain EMBRAER Model EMB-135 airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes. This proposed AD would require modification of the logic of the steering system of the nose landing gear (NLG) wheel. This proposed AD results from the reports of the loss of directional control of the airplane on the ground after an internal failure of the NLG wheel steering system. We are proposing this AD to prevent failure of the NLG wheel steering system, which could result in reduced controllability of the airplane.