Many aerospace manufacturers, including Rolls -Royce, have expanded beyond direct product sales into a variety of aftermarket services. Long-term maintenance agreements are a prime example, where the customer pays an agreed monthly fee and the manufacturer takes responsibility for all covered repairs and maintenance. The company’s obligation to cover future repair costs brings with it the need to accurately predict those costs years into the future. This infers a need for detailed and accurate service data, advanced analysis methods and tools, and effective communication of analysis results. Recognizing this, Rolls-Royce formed a cross-functional team to assess these needs and to design an improved reliability process that meets them. This paper describes the improved process recommended by the team, along with the rationale supporting this recommendation.

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