We propose to adopt a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R44 and R44 II helicopters. This proposed AD would require visually checking each tail rotor blade for a crack. This proposed AD is prompted by a report of cracking in certain tail rotor blades. The actions of this proposed AD are intended to address an unsafe condition on these products.
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Airworthiness Directives; Robinson Helicopter Company Helicopters
We propose to adopt a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R44 and R44 II helicopters. This proposed AD would require visually check...
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83 FR 23829
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“Airworthiness Directives; Robinson Helicopter Company Helicopters,” thefederalregister.org (May 23, 2018), https://thefederalregister.org/documents/2018-10919/airworthiness-directives-robinson-helicopter-company-helicopters.