To learn more about Lycoming Service Bulletin 569 call Lycoming Customer Service at 1-800-258-3279.
To determine if your Penn Yan Aero Remanufactured engine is effected, fax to or e-mail the following information:
Penn Yan Aero Work Order Number
Name on Penn Yan Aero Work Order
Contact Information
Engine Model Number
Engine Serial Number
Fax to: 315-536-2335
or
E-mail to: Mike Smith at msmith@pennyanaero.com