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Wolf Creek has commenced a plant shutdown … Wolf Creek has commenced a plant shutdown in accordance with Technical Specifications. The A train class 1E electrical equipment air conditioning unit was declared non-functional due to a possible failed oil pressure sensor. This failure could prevent the (AC) unit from performing its required function over its required mission time, as required by Technical Specifications 3.8.4, 3.8.7, and 3.8.9. The following safety related electrical equipment was declared inoperable: 4.16KV bus NB01; 480 volt AC buses NG01 and NG03; 120 volt instrument AC inverters and buses NN11, NN13, NN01 and NN03; 125 VDC chargers and buses NK11, NK13, NK01 and NK03. </br>Technical Specification 3.0.3 was entered at 1141 CDT on 10/18/2013 from Technical Specification 3.8.7 due to two out of four 120 VAC inverters (NN11 and NN13) being inoperable. Plant shutdown to Mode 5 commenced at 1211 CDT. </br>All electrical systems listed above remain available but are declared inoperable due to inadequate room cooling capability. </br>No major equipment is out of service. No switchgear room temperature limits were challenged.</br>The NRC Resident Inspector has been notified.</br>See event notifications; EN #49339, EN #49126, and EN #49008 for similar events. #49126, and EN #49008 for similar events. +
17:11:00, 18 October 2013 +
13:47:00, 18 October 2013 +
17:11:00, 18 October 2013 +
Wolf Creek has commenced a plant shutdown … Wolf Creek has commenced a plant shutdown in accordance with Technical Specifications. The A train class 1E electrical equipment air conditioning unit was declared non-functional due to a possible failed oil pressure sensor. This failure could prevent the (AC) unit from performing its required function over its required mission time, as required by Technical Specifications 3.8.4, 3.8.7, and 3.8.9. The following safety related electrical equipment was declared inoperable: 4.16KV bus NB01; 480 volt AC buses NG01 and NG03; 120 volt instrument AC inverters and buses NN11, NN13, NN01 and NN03; 125 VDC chargers and buses NK11, NK13, NK01 and NK03. </br>Technical Specification 3.0.3 was entered at 1141 CDT on 10/18/2013 from Technical Specification 3.8.7 due to two out of four 120 VAC inverters (NN11 and NN13) being inoperable. Plant shutdown to Mode 5 commenced at 1211 CDT. </br>All electrical systems listed above remain available but are declared inoperable due to inadequate room cooling capability. </br>No major equipment is out of service. No switchgear room temperature limits were challenged.</br>The NRC Resident Inspector has been notified.</br>See event notifications; EN #49339, EN #49126, and EN #49008 for similar events. #49126, and EN #49008 for similar events. +
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00:00:00, 18 October 2013 +
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>.
01:52:55, 2 March 2018 +
13:47:00, 18 October 2013 +
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-0.142 d (-3.4 hours, -0.0202 weeks, -0.00466 months) +
17:11:00, 18 October 2013 +
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