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Airworthiness Directives

 

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07

The FAA is superseding Airworthiness Directive 2011-12-10 for Robinson Helicopter Company Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters with certain main rotor blades installed. Actions are intended to detect debonding of the blade skin, which could result in blade failure and subsequent loss of control of the helicopter.

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01

The FAA is superseding Airworthiness Directive (AD) 2014-07-51 for AgustaWestland S.p.A. Model AB139 and AW139 helicopters with certain main rotor (M/R) rotating scissors installed. This new AD retains the requirements of AD 2014-07-51, expands the applicability, and requires installing a special nut. These actions are intended to detect excessive play of the bearing and prevent failure of the M/R rotating scissors and subsequent loss of control of the helicopter.

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20

The FAA is adopting a new airworthiness directive (AD) for certain Agusta Model A109E, A109K2, A119, and AW119 MKII helicopters. This AD requires repetitively performing a magnetic particle inspection of the Gleason crown for a crack. This AD was prompted by a report of a crack that was found on a Gleason crown, which if not detected, could cause damage to or loss of the main rotor drive and subsequent loss of control of the helicopter.

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16

The FAA is superseding Airworthiness Directive (AD) 2012-14-11 for Arrow Falcon Exporters, Inc., Rotorcraft Development Corporation, and San Joaquin Helicopters Model OH-58A, OH-58A+, and OH-58C helicopters. AD 2012-14-11 required inspecting the main rotor mast for a crack. The actions in this new AD are intended to prevent failure of the mast and subsequent loss of control of the helicopter.

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29

The FAA is removing Airworthiness Directive (AD) 2012-26-15, which applied to certain Honeywell International Inc. air data pressure transducers as installed on various aircraft. AD 2012-26-15 required doing various tests or checks of equipment having certain air data pressure transducers, removing equipment if necessary, and reporting the results of the tests or checks.

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29

This emergency airworthiness directive (EAD) 2014-22-51 is being sent to owners and operators of Airbus Helicopters Model EC130T2 helicopters. This EAD is prompted by several cases of a cracked main gearbox oil cooler hopper. The cracks were found on the hopper at the fan attachment points.

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27

The FAA proposes revising airworthiness directive (AD) 2014-12-11 for Sikorsky S-92A helicopters. The AD currently requires revising the Rotorcraft Flight Manual (RFM) to include appropriate operating limitations for performing Class D external load-combination operations.

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27

The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Model AS332L2 helicopters with a certain yaw control damper support (support) installed. This AD requires repetitively inspecting the support attachment points for a crack.

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08

The FAA is adopting a new airworthiness directive (AD) for Brantly International, Inc. Model B-2, Model B-2A, and Model B-2B helicopters with certain main rotor blades. This AD requires inspecting each main rotor blade for a crack or delamination and removing the blade if a crack exists or if the delamination exceeds certain thresholds.

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07

The FAA is superseding airworthiness directive (AD) 2012-02-13 for certain Airbus Helicopters, Inc. Model EC130B4 helicopters. AD 2012-02-13 required inspecting certain areas of the tailboom/Fenestron junction frame (junction frame) for a crack. This AD retains the requirements of AD 2012-02-13, expands the inspection area of the junction frame, and reduces the repetitive inspection interval.

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