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At 1435 (CDT) on June 19, 2014 while perfo … At 1435 (CDT) on June 19, 2014 while performing Unit 1 A Train Safeguards Logic Test at power, it was discovered, while testing the Safety Injection Automatic Actuation Relay Logic, that the 1SI-15x, SI RELAY TRAIN A, was not making up the contact to energize 1SI-16x, SI AUX RELAY TRAIN A. As a result, the 8 hour exception for testing allowed under LCO 3.3.2 Condition C no longer applied, and the 6, 12, and 42 hour clocks associated with condition C were entered. </br>At 2035 (CDT) on June 19, when the 6 hour time limit to complete Condition C.1 action could not be completed operators began preparation to shutdown Unit 1 to Mode 3 by 0235 on 6/20/14. </br>At 2245 (CDT) on June 19, 2014 operators commenced reducing reactor power of Prairie Island Unit 1. As of 0003, June 20, Unit 1 was at 55 percent power and continuing to reduce load.</br>This event is reportable per 10CFR50.72(b)(2)(i) - 'The initiation of any nuclear plant shutdown required by the plant's Technical Specification'.</br>The protection of the health and safety of the public is not affected by this issue.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
01:35:00, 20 June 2014 +
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01:08:00, 20 June 2014 +
01:35:00, 20 June 2014 +
At 1435 (CDT) on June 19, 2014 while perfo … At 1435 (CDT) on June 19, 2014 while performing Unit 1 A Train Safeguards Logic Test at power, it was discovered, while testing the Safety Injection Automatic Actuation Relay Logic, that the 1SI-15x, SI RELAY TRAIN A, was not making up the contact to energize 1SI-16x, SI AUX RELAY TRAIN A. As a result, the 8 hour exception for testing allowed under LCO 3.3.2 Condition C no longer applied, and the 6, 12, and 42 hour clocks associated with condition C were entered. </br>At 2035 (CDT) on June 19, when the 6 hour time limit to complete Condition C.1 action could not be completed operators began preparation to shutdown Unit 1 to Mode 3 by 0235 on 6/20/14. </br>At 2245 (CDT) on June 19, 2014 operators commenced reducing reactor power of Prairie Island Unit 1. As of 0003, June 20, Unit 1 was at 55 percent power and continuing to reduce load.</br>This event is reportable per 10CFR50.72(b)(2)(i) - 'The initiation of any nuclear plant shutdown required by the plant's Technical Specification'.</br>The protection of the health and safety of the public is not affected by this issue.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
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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>.
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01:35:00, 20 June 2014 +
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.