| Summary: | Preventive maintenance is an indispensable part of civil aircraft operational support activities,and it is also the basis for ensuring the safe and economic operation of civil aircraft.As the first international general standard for preventive maintenance,S4000P provides preventive maintenance with a reasonable analysis method for the for-mulation of initial maintenance tasks throughout the life cycle,the analysis of unplanned maintenance tasks,and the optimization of initial maintenance tasks through operating data.In this paper the research status of preventive maintenance is combed,the S4000P standard is analyzed,and the analysis framework of civil aircraft preventive maintenance is established based on S4000P,which provides strong support for promoting the formulation and optimization process of civil aircraft preventive maintenance.
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