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While performing maintenance on one of two … While performing maintenance on one of two installed Containment Spray Header valves, HCV-345, the System Engineer determined that the valve disk was installed backwards (ball valve). Actual valve positioning would be opposite of remote indication. The resulting affect would be that an accident signal to open HCV-345 would have closed the valve rendering one header inoperable. This condition is presumed to have existed, since the last maintenance activity on the valve during Refueling Outage May 2005, and through Cycle 23.</br>This system is not required to be operable in the current mode.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
20:00:00, 10 October 2006 +
42,896 +
23:57:00, 10 October 2006 +
20:00:00, 10 October 2006 +
While performing maintenance on one of two … While performing maintenance on one of two installed Containment Spray Header valves, HCV-345, the System Engineer determined that the valve disk was installed backwards (ball valve). Actual valve positioning would be opposite of remote indication. The resulting affect would be that an accident signal to open HCV-345 would have closed the valve rendering one header inoperable. This condition is presumed to have existed, since the last maintenance activity on the valve during Refueling Outage May 2005, and through Cycle 23.</br>This system is not required to be operable in the current mode.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
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>.
00:00:00, 11 October 2006 +
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>.
22:37:58, 24 September 2017 +
23:57:00, 10 October 2006 +
false +
false +
0.165 d (3.95 hours, 0.0235 weeks, 0.00541 months) +
20:00:00, 10 October 2006 +
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.