A320飞机空调及引气系统故障具有多发性、重复性、复杂性,据东航江苏有限公司可靠性部门统计,这两个系统的年故障总数及非计划拆换件数量几乎占整个机队故障的1/3。虽然空调及引气系统的故障一般不会影响到飞机的飞行安全,但为了确保旅客乘坐的舒适性,一线维护人员 A320 aircraft air conditioning and bleed air system failure with multiple, repetitive, complex, according to China Eastern Jiangsu Co., Ltd. reliability department statistics, the total number of annual failures of these two systems and the number of unscheduled replacement of almost the entire fleet failure 1/3. Although air conditioning and bleed air system failure generally does not affect the flight safety of the aircraft, but in order to ensure passenger comfort, front-line maintenance staff