Helicopter Secondary Structures Reliability and Maintainability Investigation
KAMAN AEROSPACE CORP BLOOMFIELD CT
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The purpose of the report is to define new or modified designtest criteria which, when applied to the design of new helicopter secondary structures, will enhance their maintainability and reliability. In pursuance of this aim, criteria pertinent to secondary structures were abstracted from existing literature. The contractors data on secondary structures were analyzed, and components exhibiting high maintenance and failure rates were identified. A correlation check was performed between existing criteria and experienced failure modes, and new criteria were defined which had potential for eliminating or reducing the experienced failures or maintenance actions.