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Airworthiness Directives

 

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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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05

The FAA is revising and reopening the comment period for an earlier notice of proposed rulemaking (NPRM) for certain Bell Helicopter Textron Canada Limited Model 206L-3 and 206L-4 helicopters. The NPRM proposes to require installing a placard and revising the limitations section of the rotorcraft flight manual.

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01

The FAA is adopting a new airworthiness directive (AD) for all Turbomeca S.A. Arriel 1A1, 1A2, 1B, 1C, 1C1, 1C2, 1D, 1D1, 1E2, 1K1, 1S, 1S1, 2B, 2B1, 2C, 2C1, 2C2, 2S1, and 2S2 turboshaft engines. This AD requires an initial one-time vibration check of the engine accessory gearbox on certain higher risk engines.

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15

The FAA is revising airworthiness directive (AD) 2014–07–04 that published in the Federal Register to correct certain errors. AD 2014–07–04 applied to certain Sikorsky Model S–92A helicopters.

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15

The FAA proposes to adopt a new airworthiness directive for Airbus Helicopters, Inc. (previously Eurocopter France) Model AS355E, AS355F, AS355F1, and AS355F2 helicopters with a Fueltron flowmeter installed.

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21

The FAA is superseding Airworthiness Directive (AD) 2012–10–53 for Eurocopter Deutschland GmbH (now Airbus Helicopters) Model EC135P1, EC135P2, EC135P2+, EC135T1, EC135T2, and EC135T2+ helicopters. AD 2012–10–53 required, before further flight and at specified intervals, checking and inspecting the upper and lower main rotor hub shaft flanges for a crack, and inspecting the lower hub-shaft flange bolt attachment areas for a crack.

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06

The FAA is publishing a new airworthiness directive (AD) for certain AgustaWestland S.p.A. Model AB139 and AW139 helicopters. This AD requires repetitively inspecting the Main Rotor (M/R) Rotating Scissors for play of the Lower Half Scissor Spherical Bearing (bearing) and removing the bearing if there is play beyond allowable limits.

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05

The FAA is adopting a new airworthiness directive (AD) for MD Helicopters, Inc. Model MD900 helicopters. This AD requires an eddy current inspection of the main rotor upper hub assembly (upper hub) for a crack and replacing the upper hub with an airworthy upper hub before further flight if there is a crack.

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05

The FAA is publishing a new airworthiness directive (AD) for Airbus Helicopters Model EC130B4 and EC130T2 helicopters, which was sent previously to all known U.S. owners and operators of these helicopters. This AD requires repetitively inspecting the Fenestron to tailboom junction frame for a crack.

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