1. A fault detection system for detecting faults in a turbine engine, the system comprising: a plurality of fault detectors, the plurality of fault detectors adapted to receive device data from the turbine engine and determine a plurality of fault conclusions from the device data; and a diagnostic aggregation mechanism, the diagnostic aggregation mechanism adapted to receive the plurality of fault conclusions and utilize at least one valid multiple fault set to aggregate the plurality of fault conclusions and isolate a likely fault in the turbine engine.