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Penn Yan Aero: The Power of Experience

Below are commonly requested Service Bulletins and links to additional Lycoming bulletins and FAA Airworthiness Directives. For Lycoming Service Instructions, click here. Penn Yan Aero provides these listings and links as a guide only and can not be responsible for the completeness, accuracy, content, or status of the information.

Title
Mandatory Service Bulletin - Mandatory Parts Replacement at Normal Overhaul and During Repair or Normal Maintenance
Mandatory Service Bulletin - Oil and Filter Change and Screen Cleaning - Oil Filter/Screen Content Inspection
Mandatory Service Bulletin - Inspectrion of Crankshaft I. D. for Corrosion
Mandatory Service Bulletin - Recommendations Regarding Accidental Engine Stoppage, Propeller/Rotor Strike or Loss of Propeller/Rotor Blade or Tip
Service Instruction - Recommendation Time Between Overhaul Periods

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PENN YAN AERO, 2499 Bath Road, Penn Yan, New York 14527 U. S. A.

Part 145 FAA Repair Station Number: Y2GR396Y. EASA 145.5936.

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