Service Letter No. L 289
Valve Spring Part Numbers
Publications
SERVICE LETTER NO. L289
Valve Spring Part Numbers
DATE POSTED:
March 2, 2022
TO:
All Owners, Operators, and Maintenance Providers of Lycoming Aircraft Engines
REASON FOR PUBLICATION:
Lycoming has released new valve springs with new part numbers that are interchangeable with the old valve springs.
Get It Exchanged
Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.