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Tue, Dec 09, 2014

AD: Robinson Helicopter Company Helicopters

AD NUMBER: 2014-23-16

PRODUCT: Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters with certain main rotor blades (blade) installed.

ACTION: Final Rule

SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2011-12-10 for the products listed above.

AD 2011-12-10 required inspecting each blade at the skin-to-spar line for debonding, corrosion, a separation, a gap, or a dent and replacing any damaged blade with an airworthy blade.

This new AD also requires a terminating action for those inspection requirements. These actions are intended to detect debonding of the blade skin, which could result in blade failure and subsequent loss of control of the helicopter, and to correct the unsafe condition by replacing the main rotor blades with new blades that do not require the AD inspection.

DATES: This AD is effective January 9, 201

FMI: AD

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