飞机进入老龄化后，故障率明显增加，通过结构检查维护计划的修改、结构检查间隔时间的控制、增加定检的时间、增加阶段性检查及重点部位的检查等有效手段来减少故障发生率，延长飞机的使用寿命，保证飞行安全。当飞机进入老龄化阶段，经常会出现 各种以前不曾出现过的故障，这 After the airplane entered the aging process, the failure rate increased obviously. Effective measures were taken to reduce the incidence of failure, such as the maintenance of structural inspection and maintenance plan, the control of structural inspection interval, the increase of inspection time, the increase of periodic inspection and examination of key parts, Extend the life of the aircraft, to ensure flight safety. When the aircraft enters the aging stage, often there will be a variety of faults that have not appeared before, which