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The following information was provided by … The following information was provided by the licensee via phone and email:</br>At 2127 EDT, on 8/01/2024, with Unit 1 in mode 1 at 98 percent power, a complete actuation of the 'A' train containment ventilation isolation (CVI) occurred. The 'A' train CVI resulted from the failure of a radiation monitor providing input to the isolation circuitry. The CVI removes containment purge from operation should it be in service and secures other radiation monitors which measure reactor coolant system leakage. In accordance with the station's procedures and technical specifications, a restoration from the CVI was made. Troubleshooting revealed that replacement of this obsolete radiation monitor was justified; a design change to perform this replacement is in progress.</br>This report is being made under 10 CFR 50.73(a)(2)(iv)(A) as an event that resulted in an invalid actuation of the 'A' train CVI.</br>There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector was notified of the event.ident Inspector was notified of the event. +
01:27:00, 2 August 2024 +
57,336 +
21:46:00, 23 September 2024 +
01:27:00, 2 August 2024 +
The following information was provided by … The following information was provided by the licensee via phone and email:</br>At 2127 EDT, on 8/01/2024, with Unit 1 in mode 1 at 98 percent power, a complete actuation of the 'A' train containment ventilation isolation (CVI) occurred. The 'A' train CVI resulted from the failure of a radiation monitor providing input to the isolation circuitry. The CVI removes containment purge from operation should it be in service and secures other radiation monitors which measure reactor coolant system leakage. In accordance with the station's procedures and technical specifications, a restoration from the CVI was made. Troubleshooting revealed that replacement of this obsolete radiation monitor was justified; a design change to perform this replacement is in progress.</br>This report is being made under 10 CFR 50.73(a)(2)(iv)(A) as an event that resulted in an invalid actuation of the 'A' train CVI.</br>There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector was notified of the event.ident Inspector was notified of the event. +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
98 +
00:00:00, 23 September 2024 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
11:20:09, 25 September 2024 +
21:46:00, 23 September 2024 +
true +
false +
52.847 d (1,268.32 hours, 7.55 weeks, 1.737 months) +
01:27:00, 2 August 2024 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.