Supersedes Service Instruction No. 1406D
September 9, 2014
O-320-H2AD, -H3AD; O/LO/TO/LTO-360-E1A6D
TIME OF COMPLIANCE
At owner’s discretion (during hydraulic lifter replacement)
This Service Instruction identifies part numbers for crankcases with large-diameter hydraulic lifters.
Product Support Network
Wherever you are in the world, you have access to exceptional expertise and knowledge about Lycoming engines. Get the most comprehensive customer service and support in the general aviation industry.
Find a Service Center
Every Lycoming Service Center can help keep your engine up to date with all Service Instructions.