Core Viewpoint - Eastern Airlines' "Ruiyan" aircraft health management system has successfully achieved comprehensive technical support for domestic aircraft models C909 and C919, marking a significant advancement in the aviation maintenance sector driven by data [1][2] Group 1: Technological Advancements - The "Ruiyan" system enables real-time monitoring of key aircraft parameters and constructs intelligent predictive models, facilitating the normalization of predictive maintenance practices [1] - The system enhances the efficiency of fault handling by allowing operational control departments to promptly grasp aircraft fault conditions, thereby improving coordination of maintenance resources and flight schedule adjustments [1] Group 2: Development and Support for Domestic Aircraft - The project team has developed message parsing functions tailored to the unique system architecture of the C909 and C919, and has assisted engineers in constructing predictive maintenance models for these aircraft [2] - This progress ensures the autonomy and control of core technologies, providing technical support for the safe operation of domestic aircraft [2] Group 3: Future Prospects - Eastern Airlines plans to continue strengthening independent research and development of the "Ruiyan" system, aiming to cover more aircraft models and support the company's digital transformation [2]