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Fri, Feb 01, 2013

AD: Turbomeca S.A. Turboshaft Engines

AD NUMBER: 2013-01-07

PRODUCT: Turbomeca S.A. Arriel 2D turboshaft engines.
SUBJECT: Airworthiness Directive 2013-01-07
ACTION: Final Rule

SUMMARY: This AD was prompted by a low fuel pressure event caused by deterioration and a loss of the low-pressure drive function within the hydro-mechanical metering unit (HMU). This AD requires replacing the HMU at a reduced life. The FAA is issuing this AD to prevent an uncommanded inflight shutdown of the engine, and possible loss of the helicopter.

DATES: This AD becomes effective March 7, 2013.

FMI: AD

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