2014-20130403005 1553‐00‐18

Suspected Unapproved Parts Details

Product
Multiple
Part name
Check Valve
Part Number
1553‐00‐18
Serial Number
500

Information received during a Federal Aviation Administration (FAA) Suspected Unapproved Parts (SUP) investigation revealed between March 2011 and March 2013 Dukes Aerospace Incorporated, located at 9060 Winnetka Avenue, Northridge, CA 91324, improperly maintained, overhauled, and approved for return to service various aircraft articles which were manufactured by Dukes Incorporated/Dukes Aerospace Incorporated contrary to the regulations. Dukes Aerospace Incorporated holds FAA Air Agency Certificate No. 1DUR590B with Accessory Class 1 and 2 Ratings. Evidence indicates that Dukes Aerospace Incorporated approved aircraft articles for return to service that were not maintained in compliance with the manufacturer’s maintenance manuals or
other data acceptable to the FAA. Discrepancies include, but are not limited to the following: (1) approving articles for return to service without using methods techniques and practices acceptable to the Administrator
(2) converting and/or modifying aircraft components without using approved data.

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