Service bulletin Up to date? Bulletin service mandatory
service bulletin
Lycoming overhaul manual model series engines aviation division avco Service bulletin Faa issues ad for lycoming engine bushings
Lycoming bushings faa aopa connecting inspections replace conforming could issued
Lycoming overhaul manual: model o-235-c series and 0-290-d aviation .
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Lycoming Overhaul Manual: Model O-235-C Series and 0-290-D Aviation
SERVICE BULLETIN
service bulletin
FAA issues AD for Lycoming engine bushings - AOPA