由于波音737NG飞机的飞行控制系统故障率极低,因此相关的故障处理经验较少。针对一起波音737NG飞机飞行控制系统的机长侧驾驶盘转动至接近止动位时出现异响的这一疑难故障,详细阐述了采用物理力学分析方法排除该故障的过程,为类似故障的排除提供借鉴。 Due to the extremely low failure rate of the flight control system of the Boeing 737NG aircraft, there is less relevant troubleshooting experience. Aiming to solve the difficult problem of abnormal sound when the captain’s side steering wheel of the Boeing 737NG aircraft flight control system is close to the stop position, this paper elaborates the process of using physical and mechanical analysis to eliminate the fault and provides the similar fault elimination Learn from