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Track 2 Session 3 Jet Engine Deterioration Modeling, Reliability Prediction and Analysis The Propulsion System Analysis (PSA) group at Infotech provides services to assess the performance of jet engines deployed in commercial operation. Current practice is to analyze the measured data on different engine parameters of interest. The process follows data trending for each engine to assess the performance. PSA has formulated and implemented a new reliability engineering process to model the aircraft engine deterioration and life estimation based on Weibull analysis utilizing on-wing data from multiple units. The new process generates estimates on data trending, deterioration rates, mean life, remaining life, failure rate, reliability with confidence bounds, warranty time, relevant statistical results and probability plots. The proposed process from PSA, Infotech is successfully demonstrated with field information. Directions for future work are suggested.
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