This article presents the approach used for building and using the knowledge-based system SUPER to fulfill several types of requirements corresponding to different engineering-domain contexts. SUPER was developed for maintaining and updating information about an evolving system as its slate changes due to abnormal events such as faults or as a consequence of external actions taken on the system. After analyzing different requirements corresponding to engineering-application domains, the successive steps of the approach are given, mainly based on structuring the knowledge base in the shape of a network at the time of knowledge acquisition and maintaining the database consistent at run time.