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Docket No. 2095, 29 FR 7458, June 10, 1964, unless otherwise noted.
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The applicant must demonstrate by tests, analysis based on tests, or service experience on similar components, that each propeller blade pitch control system component, including governors, pitch change assemblies, pitch locks, mechanical stops, and feathering system components, can withstand cyclic operation that simulates the normal load and pitch change travel to which the component would be subjected during the initially declared overhaul period or during a minimum of 1,000 hours of typical operation in service.
[Amdt. 35-8, 73 FR 63349, Oct. 24, 2008]