| Abstract: | The landing gear and hydraulic system are the key component and system in the aircraft structure. If the foreign materials produced in the actuator of landing gear and the hydraulic system, it will impact the flight safety because the aircraft landing gear can not retract, extend or extend in position, This paper makes the system analysis of the root cause for the foreign materials produced and proposed the key points to control and improvement which greatly improve the reliability of landing gear and hydraulic system. |
