California earth quake september 2311/29/2023 ![]() The following is a synopsis of information from Paragon Energy Solutions, LLC received via email. Notified RDO2 (Miller) and Part 21/50.55 ReactorsĮN Revision Text: PART 21 - CIRCUIT BREAKER POTENTIAL DEFECTS "As the noted failure could not be reproduced by Curtiss-Wright or TYCO, there is no evidence of part malfunction and thus no further evaluation or notification applies." In all tested conditions, the relay performed within manufacturer specifications, and with no contact binding. TYCO tested the relay with and without the LL auxiliary switch option and could not duplicate the failure. "The relay was subsequently returned to TYCO for their evaluation. The following information was provided by Curtiss Wright via email: * * * UPDATE ON OCTOAT 1146 EDT FROM JENNIFER HARRISON TO KAREN COTTON * * * CW anticipates an update to the notification with final results by October 15th. ![]() Once the evaluation is complete, the current report will be updated. As the relay is questionable for reliable service, CW is having the relay returned to Tyco for their evaluation. The relay was returned to CW for evaluation however, CW could not duplicate the failure. Duke Energy had identified certain contacts that were found sticking in the open position. ![]() On June 20, 2023, Duke Energy sent a letter to Curtiss Wright (CW) to formally notify them that a Tyco (Agastat) relay had failed. The following is a summary of the Part 21 report provided by Curtiss Wright: EN Revision Text: PART 21 INTERIM REPORT - FAILURE OF CURTISS WRIGHT SUPPLIED SAFETY RELATED RELAY
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