Detailed Interface FMECA in a Large Aerospace System

The generation of piece-part interface FMECA for a large aerospace system is addressed via the use of several preliminary constructs that greatly facilitate the process of generating the piece-part interface FMECA for a large system. The constructs of circuit data sheets, schematics, fault containment regions, and a new version of piece-part interface FMECA can all in unison help in the performance of the task. The piece-part interface FMECA is one of the most useful FMECA for analyzing failure modes at a system level if hardware failure modes are to be incorporated into an aerospace fault management system. This paper establishes that defining the fault containment regions and the generation of the piece-part interface FMECA from the fault containment regions provides a new and effective way in addressing failures in large systems.