Engine maintenance is a challenging task for airlines as engines are critical assets that necessitate careful attention and expensive repairs. The planning of spare engines and engine parts is a particularly difficult task that must be carried out for engine repair operations. As such, this blog will present the application of a simulation-based approach utilized for planning the ownership level of spare engines and engine parts needed to achieve target service level and airworthiness.
The application takes both single and multi-location settings into account as well as two levels of modeling: higher and lower level. Higher level modeling consists of repairable components like the engine itself, while lower level modeling focuses on the repair of the individual engine parts. In this case, simulation technology provides the flexibility to model complex features of the engine repair process, such as different engine parts’ repair time predictions, capacity limitations, borrowing of parts and spare engines, removal/installation procedures, and engine harvesting processes.
Generally, the application consists of three types of analytics. First, it processes large sets of repair data for particular engines and their components to obtain parameters that reflect varying aspects of the repair process, including repair times, scrapping rates, repair probabilities, and more. These parameters also serve as valuable insight into the current performance of the repair process. Second, from a predictive perspective, this application provides estimations of the required level spare engines and parts ownership based on the forecasted demand of repairs. Third, on the prescriptive side, this application can be utilized in hypothetical scenarios to suggest the spare ownership level based on different targets on service level and out-of-service (OTS) aircraft performance metrics.
Conclusion
Overall, this simulation-based planning approach has proved to be an invaluable decision support tool for aircraft engine maintenance and repair as well as key to other important operational problems associated with the availability of spare engines and parts. When carrying out any servicing tasks on aircraft, sourcing GSE, industrial-grade tools, and other related items that you can rely on with ease is paramount. For any of those needs, Industrial Part Numbers is just a call away.
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