Michelle Hines

Document ID: FAA-2007-0051-0007
Document Type: Public Submission
Agency: Federal Aviation Administration
Received Date: May 05 2008, at 01:49 PM Eastern Daylight Time
Date Posted: May 7 2008, at 12:00 AM Eastern Standard Time
Comment Start Date: April 11 2008, at 12:00 AM Eastern Standard Time
Comment Due Date: June 10 2008, at 11:59 PM Eastern Standard Time
Tracking Number: 80549276
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This is comment on Rule

Airworthiness Directives; Teledyne Continental Motors (TCM) IO- 520, TSIO-520, and IO-550 Series Engines with Superior Air Parts, Inc. (SAP) Cylinder Assemblies Installed

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I work for Western Skyways Inc as the Warranty Administrator, in regards to this proposed AD it is in our opinion if this AD goes through we feel that it is a major injustice to the aviation consumer. With a failure rate of .005% for Superior's cylinder failures, and there are several other cylinders out there that have a much higher failure rate. We have customers that order engines and request Superior cylinder's only. We have seen superior cylinders that have out lasted the manufacturer's recomended TBO. Thank You Michelle