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AOPA Blogs

Aircraft ownership and maintenance

Continental’s War on Camshaft Gears

At the end of March 2017, Continental Motors issued Mandatory Service Bulletin MSB05-8B that would require tens of thousands of Continental IO-470/520/550 engines to be torn down prematurely to replace the camshaft gear with slightly thicker gear. It required compliance within the next 100 hours of operation, or at no more than 12 years since ...
Aircraft ownership and maintenance

It’s Baffling

The email from a Cessna T210 owner read: I recently had my engine rebuilt and had a new baffle kit installed. The CHTs for cylinders #5 and #6 are always 20ºF to 30ºF hotter than the rest. During climb the difference gets even bigger. Cylinder #5 and #6 CHTs are very difficult to keep below ...
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