Service difficulty report · Engine · Mooney M20M

Difficulty date
November 28, 2002
Submitted
January 5, 2004
Operation
General aviation
Make and model
Mooney M20M
Aircraft time
464 hours
Engine
Lyc TIO540AF1B
Propeller
Mcauly B3D32C417
Part
Engine
Condition
Making Metal
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) FOUND METAL CONTAMINATION ON OIL FILTER ELEMENT. MFG LAB REPORTS METAL AREA MS 6274 STEEL LIKELY FROM CAMSHAFT AND AMS 4280 ALUMINUM FROM CRANKCASE. ENGINE WAS REMOVED AS PRECAUTIONARY INVESTIGATION DUE TO SIMILAR METAL CONTAMINATION AND REPAIR ABOUT 100 HOURS AGO. FURTHER DETAIL WILL BE SUBMITTED AFTER INVESTIGATION BY MFG.

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