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Lycoming Engines AD 2024-21-02

The FAA has adopted a new airworthiness directive (AD) for Lycoming Engines (Lycoming) model engines that have a certain connecting rod assemblies installed. This AD was prompted by several reports of connecting rod failures, which resulted in uncontained engine failure and in-flight shutdowns (IFSDs). This AD requires repetitive oil inspections for bronze metal particulates and, if found, additional inspections of the connecting rod bushings for damage, proper fit, movement, and wear, and replacement if necessary. As terminating action to the connecting rod bushing inspections, this AD requires replacement of the connecting rod bushings with parts eligible for installation. The FAA is issuing this AD to address the unsafe condition on these products.

 

The AD 2024-21-02 is attached to this notice.

 

FOR FURTHER INFORMATION CONTACT:

James Delisio, Aviation Safety Engineer, FAA, 1701 Columbia Avenue, College Park, GA 30337;phone:(516)228-7321; email: james.delisio@faa.gov

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