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Airworthiness Directives

 

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27

The FAA is adopting a new airworthiness directive (AD) for certain Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, and 212 helicopters. This AD requires removing a certain part-numbered main rotor blade grip from service.

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19

The FAA is adopting a new airworthiness directive for Bell Helicopter Textron Canada Model 430 helicopters to require inspecting the tail rotor control tube assembly and either repairing or replacing the control tube.

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21

The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Model EC135P1, EC135T1, EC135P2, EC135T2, EC135P2+, EC135T2+, and MBB-BK 117 C-2 helicopters. This AD requires inspecting certain washers for movement and making appropriate repairs if the washers move.

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16

The FAA is publishing a new airworthiness directive (AD) for Agusta Model A109A and A109A II helicopters, which was sent previously to all known U.S. owners and operators of these helicopters. This AD requires replacing a certain part-numbered blade with an approved part-numbered blade.

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11

The FAA is adopting a new airworthiness directive (AD) for Sikorsky Model S-92A helicopters. This AD requires installing a main gearbox (MGB) failed pump sensor and vacuum switch wiring, installing an MGB oil auto bypass system, activating Aircraft Management System 7.1 software to show a new visual warning, and installing updated enhanced ground proximity warning system software.

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11

The FAA is adopting a new airworthiness directive (AD) for certain Bell Helicopter Textron Canada Limited Model 206L-1, 206L-3, and 206L-4 helicopters. This AD requires installing a placard and revising the limitations section of the rotorcraft flight manual.

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10

The FAA is adopting a new airworthiness directive (AD) for certain Agusta S.p.A. Model AB412 and AB412 EP helicopters. This AD requires inspecting the tail rotor drive shaft flanged adapter for a crack and removing the adapter from service if there is a crack.

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10

The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters (previously Eurocopter France) Model AS355E, AS355F, AS355F1, and AS355F2 helicopters with a Fueltron flowmeter installed. This AD requires removing each flowmeter, replacing the fuel system hoses, and disabling the electrical connections for the flowmeter installation.

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09

The FAA is adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (type certificate previously held by Schweizer Aircraft Corporation) (Sikorsky) Model 269D and Model 269D Configuration A helicopters. This AD requires reducing the life limit of the ring gear carrier assembly.

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09

The FAA is superseding airworthiness directive (AD) 2014-02-08 for Agusta Model A109C, A109S, A109K2, A109E, and AW109SP helicopters. AD 2014-02-08 required inspecting the lock wires securing the tail rotor duplex bearing locking nut to determine whether any lock wires are missing or damaged. This AD retains some of the requirements of AD 2014-02-08 but removes the terminating action, expands the applicability, and adds a daily pilot check.

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