My 800 hour Since Major Over Haul (SMOH) Lycoming O-540-C4B5 engine won’t hold its RPMs. We’ve done several things to find the problem, but we’re still hunting.
by Paul McBride | Nov 29, 2021 | 20211209, Ask Paul, Aviation News, Engines, General Aviation, Lycoming Engines, Opinion | 0 comments
My 800 hour Since Major Over Haul (SMOH) Lycoming O-540-C4B5 engine won’t hold its RPMs. We’ve done several things to find the problem, but we’re still hunting.
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