Research on a Case-Based Decision Support System for Aircraft Maintenance Review Board Report

Aircraft Maintenance Review Board Report (MRB Report) is necessary one of the most important Continuing Airworthiness documents. Determination Maintenance interval in MRB Report depends mainly on experience and there isn’t a rigorous and quick method. The paper proposes a multi-stage framework for determination maintenance interval using case-based reasoning (CBR), which uses fuzzy generalized nearest-neighbor matching (FNN) to retrieve case and fuzzy Group decision making to determine attributes’ weight. An example illustrates the proposed approach and the average relative error is under 3.21%. Finally the developed civil aircraft CBR-MRBR decision support system is described. The method enriches the MRB Report developing method.

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