| Summary: | Service bulletin(SB), which is a document issued by the civil aircraft manufacturer for releasing improvement, modification and inspection requirements for delivered products, is an important method for continuous improvement of products and maintain aircraft continued airworthiness in the entire service life cycle. Moreover, SB is the most standardized and widely used customer service document in the civil aviation field, the quality and management efficiency of SB directly represent the capability and quality of customer service that the manufacturer provided. The domestic civil aircraft manufacturer’s SB production and management system are analyzed from the regulatory and industry practice perspective, and the optimization proposal is put forward by using the industry leaders’ experience. The analysis and proposal are of reference value for rising the SB quality of production and management. Meanwhile, it can be the reference for manufacturer to ensure the quality of customer service.
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