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Reader Correspondence—July 2025

Check the Lycoming engine for rust with oil analysis and borescope; update vintage Cessna panel with ADS-B Out.

Lycoming engine - is there rust in there?

The rust in there

I need your advice on an airplane that I am close to buying, but what gives me pause is the amount of time it’s been sitting. Worse, is that it has only flown a few hundred hours in over 10 years.

The aircraft has been stored in a hangar (unheated in a moderately damp climate) and my potential partner thinks the Lycoming O-360 is probably loaded with rust. Should we be concerned?