Aviation forgings play an important role in aviation maintenance, with the following aspects of the role and value: parts repair and replacement: in the course of aircraft maintenance, if some of the forgings are found to be damaged or worn, they can be repaired or replaced. The high strength and durability of aviation forgings make them able to withstand the mechanical load during maintenance and repair, ensuring that the repaired parts still have sufficient strength and reliability. Fault analysis and improvement: For the aviation forgings with faults, the cause of the failure can be obtained and the corresponding improvement measures can be provided by analyzing and detecting them. This can help identify design flaws, material problems or manufacturing process deficiencies, and provide technical support for aircraft maintenance and safety. Life assessment and maintenance plan: Aviation forgings need to experience long-term use and stress, and it is very important to evaluate the life of aviation forgings during maintenance. Through regular testing and monitoring of forgings, its life can be predicted, and a reasonable maintenance plan can be developed, and timely maintenance or replacement can be carried out to ensure the safety and reliability of the aircraft. Update and upgrade: The progress and development of aviation technology, resulting in older models of aviation forgings may have performance limitations. In the process of updating and upgrading the aircraft, the forgings can be updated and upgraded through the use of new materials, improved design and manufacturing processes, etc., to improve the performance, efficiency and reliability of the aircraft. In general, the important role and value of aviation forgings in aviation maintenance are reflected in the repair and replacement of parts, fault analysis and improvement, life assessment and maintenance planning, and updates and upgrades. Through effective maintenance and management, the safety and reliability of the aircraft during operation can be guaranteed, and its service life can be extended.