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AD issued on Teledyne Continental Motors 2010-11-04 hydraulic lifters.

This AD applies to all TCM motors 240, 340, 360, 470, 520, and 550 series and Rolls-Royce motors IO-240-A with hydraulic lifters, part numbers 657913, 657915, or 657916 installed.  If your engine was manufactured or rebuilt before June 19, 2009, and you have not had any lifters replaced since then, no action is required.

 If your engine has these lifters, they must be replaced before further flight by June 16, 2010. This AD supercedes AD 2009-24-52. http://www.tcmlink.com/pdf2/MSB09-8A.pdf 

 This AD becomes effective June 16, 2010.

The full text of this AD may be found at this LINK.

 C. Brickner, Govt. Liaison Committee

Posted: 6/24/2010 By: Government Liaison Committee

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