Part 21 Report - 1997-060

LICENSEE: LIMITORQUE CORPORATION SITE: LIMITORQUE CORPORATION EN NUMBER:31665 DOCKET: EVENT DATE: 01-27-97 RX TYPE: EVENT TIME: 00:00 VENDORS: NOTIFY DATE: 01-27-97 EMERGENCY CLASS: N/A REGION: 2 STATE: VA TIME: 09:35 OPS OFFICER: CHAUNCEY GOULD 10 CFR SECTION: NINF INFORMATION ONLY LIMITORQUE WAS ALERTED TO THE EXISTENCE OF A COUNTERFEIT COMPONENT INSTALLED IN A LIMITORQUE ACTUATOR AT A NUCLEAR POWER PLANT. THE UNIDENTIFIED COMPONENT IS CONSIDERED "CRITICAL" BY LIMITORQUE CORPORATION. THE COMPONENT, WHICH HAD FAILED, WAS SENT TO LIMITORQUE FOR ROOT CAUSE FAILURE ANALYSIS. THE ANALYSIS REVEALED THAT THE FAILED COMPONENT WAS NOT MANUFACTURED BY LIMITORQUE AND WAS DEFICIENT. LIMITORQUE REPORTED THAT THIS COMPONENT WAS NOT INSTALLED IN AN ACTUATOR REQUIRED TO PERFORM A SAFETY RELATED FUNCTION. THE COMPONENT WAS APPARENTLY PURCHASED FROM THE "SURPLUS" RESALE MARKET.

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