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FAA Issues New Airworthiness Directive for Lycoming Engines

Rule will affect around 16,000 models manufactured between January 2009 and February 2017.

[Credit: AVweb file photo/ Creative Commons Attribution-Share Alike 3.0]
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Key Takeaways:

  • The FAA issued an Airworthiness Directive (AD) for specific Lycoming engines due to multiple reports of connecting rod failures causing serious engine issues and in-flight shutdowns.
  • The AD mandates regular oil inspections for bronze metal particles, and if found, further checks and replacement of connecting rod bushings as needed.
  • Approximately 16,000 Lycoming engine models manufactured between January 2009 and February 2017 are affected, with estimated costs to U.S. operators exceeding $17 million.
  • The FAA determined the AD is essential for air safety, with an effective date of December 5.
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The FAA issued an airworthiness directive (AD) Thursday targeting specific Lycoming engines that are equipped with certain connecting rod assemblies.

The AD was issued in response to multiple reports of connecting rod failures that led to serious engine issues and in-flight shutdowns.

Amelia Walsh

Amelia Walsh is a private pilot who enjoys flying her family’s Columbia 350. She is based in Colorado and loves all things outdoors including skiing, hiking, and camping.

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