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At 2353 EST on November 15, 2019, a Main C … At 2353 EST on November 15, 2019, a Main Control Room (MCR) alarm was received for low control room positive pressure. </br>At 2355 EST, a Control Room Envelope (CRE) door was found ajar and immediately closed. Technical Specification 3.7.10 Control Room Emergency Ventilation System (CREVS) was declared not met for both trains. Watts Bar Unit 1 and Unit 2 entered Condition B.</br>At 2355 EST on November 15, 2019, the alarm cleared, CREVS was declared operable and LCO 3.7.10 Condition B was exited for both units. </br>This condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v)(D). </br>There was no impact on the health and safety of the public or plant personnel.</br>The NRC Resident Inspector has been notified.</br>See similar EN #54390. The licensee has taken compensatory measures while investigating the cause.ry measures while investigating the cause. +
04:53:00, 16 November 2019 +
54,391 +
03:02:00, 16 November 2019 +
04:53:00, 16 November 2019 +
At 2353 EST on November 15, 2019, a Main C … At 2353 EST on November 15, 2019, a Main Control Room (MCR) alarm was received for low control room positive pressure. </br>At 2355 EST, a Control Room Envelope (CRE) door was found ajar and immediately closed. Technical Specification 3.7.10 Control Room Emergency Ventilation System (CREVS) was declared not met for both trains. Watts Bar Unit 1 and Unit 2 entered Condition B.</br>At 2355 EST on November 15, 2019, the alarm cleared, CREVS was declared operable and LCO 3.7.10 Condition B was exited for both units. </br>This condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v)(D). </br>There was no impact on the health and safety of the public or plant personnel.</br>The NRC Resident Inspector has been notified.</br>See similar EN #54390. The licensee has taken compensatory measures while investigating the cause.ry measures while investigating the cause. +
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100 +
00:00:00, 16 November 2019 +
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>.
12:30:09, 18 November 2019 +
03:02:00, 16 November 2019 +
true +
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-0.0771 d (-1.85 hours, -0.011 weeks, -0.00253 months) +
04:53:00, 16 November 2019 +
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.