CFM56-3发动机航线常见故障分析摘要本文从风扇单元体、核心发动机单元体、低压涡轮单元体、附件齿轮箱单元体几方面简单介绍了CFM56-3发动机基本构造，阐述了CFM56-3发动机的主要技术性能参数。针对CFM56-3发动机在航线运行使用过程中出现的一些常见故障：油门杆错位、发动机起动不成功、反推故障和发动机起动过程中EGT数字闪烁等常见故障，结合东方航空云南分公司自1985年以来在实际维护使用过程中的排故经验，从故障现象、工作原理分析和排故过程几个方面进行了详细的总结和分析，并提出了自己的观点。对CFM56-3发动机的排故和维护具有一定指导意义。关键词：CFM56-3发动机油门杆错位起动不成功反推故障起动过程中EGT数字闪烁Abstract:Thethesisdescribesthebasicenginestructure,performancefeaturesbasedonFansectionCoreenginesectionLPTsectionandAGBsection.Andthethesisfocusesonthecommonfaultsinthelinemaintenance,suchasthrottleleverstagger,startfailure,thrustreverserfaultsandtheEGTdisplayflashinginstarting.Combinewiththetrouble-shooting中国民航飞行学院航空工程学院毕业论文2experienceinlinemaintenanceoftheChinaEasternAirlinesYunnanbranchsince1985,thethesisdescribesthefault,troubleshootingprocedureandsometrouble-shootingrecommendations.KEYWORD：CFM56-3ENGINETHRUSTLEVERSTAGGERENGINESTARTFAILURETHRUSTREVERSERFAULTEGTFLASHDURINGEINGINESTART目录第一章慨述...................................................................................................................................41．1风扇单元体.................................................................................................................41．2核心发动机单元体.....................................................................................................41．3低压涡轮单元体.........................................................................................................41．4附件齿轮箱（AGB）单元体....................................................................................4CFM56-3发动机航线常见故障分析31．5CFM56-3发动机主要性能参数................................................................................6第二章典型故障及分析...............................................................................................................72．1油门杆错位.................................................................................................................72．1．1故障现象...............................................................................................................72．1．2故障及系统分析...................................................................................................72．2发动机起动不成功.....................................................................................................112．2．1故障现象.............................................................................................................112．2．2故障及相关系统分析............................................................................................112．3反推故障灯亮..............................................................................................................142．3．1故障现象...............................................................................................................142．3．2故障及系统分析.................................................................................................152.4发动机在起动过程中EGT数字闪跳.......................................................................172．4...
