AnalysisofCoolingFanLeakage通过对因冷却风扇漏油导致两次拆下APU事件的分析，总结了排放过程的经验，以供同行参考。汕头航空公司机务人员在进行波音737／2911飞机的维护（过站、航后）时，经常发现APU的余油管漏油，打开APU的下罩检查，仅发现APU的本体有很多油，下罩也积 AnalysisofCoolingFanLeakage Through the analysis of two APU removal events caused by the oil leakage from the cooling fan, the experience of the emission process was summarized for peer reference. When maintenance personnel of Shantou Airline 737/2911 aircraft (over the station, after the flight) often found oil leaks in the APU, opened the inspection of the APU’s undercover and found only that the APU’s body had a lot of oil and the undercover Also plot