Abstract
The advent of the highly complex and sophisticated jet-powered aircraft has necessitated development of entirely new concepts in aircraft Foremost among the new concepts is the maintenance recording system. Maintenance requirements, previously determined by accumulated operating hours of major components, can now be based upon actual component condition. The maintenance recording system, including associated playback and data analysis equipment, is capable of analyzing aircraft performance under actual flight conditions and of detecting malfunctions or impending equipment failures before they become catastrophic. The system is based upon the measurement of selected parameters and upon the interpretation of these measurements as a means of predicting remaining life or impending failure of a jet engine or other major components. Interpretation and utilization of this data results in increased aircraft readiness and reduction of operational costs. Therefore, with intelligent selection of parameters, the maintenance recording system becomes an effective tool by which the aircraft industry may advance its present methods of preventive maintenance.
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