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Tue, Jun 04, 2013

AD: Turbomeca S.A. Turboshaft Engines

AD NUMBER: 2013-11-09

PRODUCT: Turbomeca S.A. Arrius 2B, 2B1, and 2F turboshaft engines.
SUBJECT: Airworthiness Directive 2013-11-09
ACTION: Final Rule

SUMMARY: The FAA is superseding an existing airworthiness directive (AD) for the product listed above. That AD currently requires replacement of injector manifolds and borescope-inspection of the flame tube and the high-pressure (HP) turbine area for possible damage.

This new AD requires, depending on the engine model, repetitive replacements of fuel injection manifolds and the privilege injector, or, repetitive replacements of the privilege injector.

This AD was prompted by a report that the corrective actions of the existing AD were insufficient to eliminate the unsafe condition. The FAA is issuing this AD to prevent an uncommanded inflight shutdown of Arrius 2B1 and 2F turboshaft engines and damage to the helicopter.

DATES: This AD is effective July 5, 2013.

FMI: AD

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