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Aircraft oil sampling - Metal in aircraft oil filter - steel

Particles can be isolated by means of the permanent magnet. On Continental aircraft engines with a starter adapter possibly the starter adapter spring has wound off the drum and is scoring the steel flange creating cut shavings. Do not fly aircraft until problem is identified and a determination of aircraft airworthiness is made.

Piecies of bearing backing found in oil sump The source of the dark metal is pictured below.

Oil starvation damage. Notice bit of bearing back extruding out from under connecting rod

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Disclaimer: sacskyranch.com contains abundant information relating to aircraft maintenance. The information provided is not intended to supercede or supplement the F.A.A. approved maintenance and/or operator’s manuals. Those F.A.A. approved manuals must be utilized when performing maintenance and/or operating aircraft.