针对近年来某型飞机出现的液压泵超压故障 ,分析了其产生原因和机理 ,并提出了一套切实可行的排障方法 ,对实现飞行训练和维护有一定指导意义和借鉴作用 In view of the overpressure failure of the hydraulic pump in a certain type of aircraft in recent years, the causes and mechanism of the overpressure of hydraulic pump appeared in a certain type of aircraft are analyzed. And a set of practical troubleshooting methods is proposed, which is of guiding significance and reference for the realization of flight training and maintenance