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Wed, Feb 18, 2009

AD: Wytwornia

AD NUMBER: 2009-04-01
MANUFACTURER: Wytwornia
SUBJECT: Airworthiness Directive 2009-04-01
SUMMARY: We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAIdescribes the unsafe condition as: The review of manufacturing process and service experience has shown that the ALRP-5 fuel metering pump units released to service between May 2006 and April 2007 can be vulnerable for seizing. This vulnerability is demonstrated by occurrence of aluminum and bronze chips at the filter. This condition, if not corrected might lead to seizing of the pump and engine RPM decrease. This AD requires actions that are intended to address the unsafe condition described in the MCAI, which could result in low-time pump seizure, loss of engine fuel flow and engine power, possibly leading to an autorotation landing.

FMI: www.faa.gov/regulations_policies/airworthiness_directives/

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