PeytonM Posted June 6 Report Posted June 6 IO360A3B6D Cylinder #4 was IRAN ‘d about 100 hrs ago December 2023, on an engine at 1900 SMOH. Since then compressions good and oil usage one qt/6 hrs. Airplane OTS since January 2025 because of medical issue, but dehydrator plugs and EngineSaver since. Annual nearly completed. WHAT AM I LOOKING AT?? Quote
N201MKTurbo Posted June 6 Report Posted June 6 Some very strange deposits on your exhaust valve and it is not rotating. Can you get a pic with the valve open? Quote
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