Camshafts

Editorial Staff

Tuesday, June 22, 2021 at 11:20 AM ET

Verified

Key Takeaways:

Multiple aircraft models experienced various camshaft failures, including damaged gear teeth, premature wear, spalling, and complete breakage.
Camshaft issues were often detected through engine noise, abnormal oil analysis results (high iron levels), or the presence of ferrous metal in oil filters.
These failures frequently led to engine removal for repair and, in several cases, caused severe metal contamination that rendered other engine components unserviceable.
Notably, several incidents of camshaft failure occurred relatively early in their service life, sometimes soon after overhaul, with one case specifically mentioning a reground part.

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Beechcraft A36 Bonanza

Damaged Camshaft Gear Teeth

Editorial Staff