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AD Issued on Lycoming Crankshafts


This AD may affect Pawnee, Braves and Cessnas with cranks installed after March 1, 1999. It requires confirming the serial number of your engineús crankshaft, and replacing it, if it is in the list of defective parts. This applies to -360 and -540 series engines. Over sixteen hundred cranks are included, so it is likely that some tow planes may be impacted. The effective date is Oct. 21, 2005. Compliance is required withing 50 hours time-in-service or 5 months after the effective date of the AD, whichever is earlier.

The full text of the AD may be seen by entering the AD number here.

Posted: 9/21/2005 By: Government Liaison Committee

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