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On February 11, 2011 at 0327 (CST), Second … On February 11, 2011 at 0327 (CST), Secondary Containment isolation damper V-D-61 (Reactor Building Outboard Isolation Damper) was discovered iced closed with the actuator broken. The corresponding inboard damper, V-D-62, was found blocked partially open due to icing. Technical Specification Condition 3.6.4.2.B was entered for one Secondary Containment penetration flow path with two isolation valves inoperable. This resulted in a condition which could have prevented the fulfillment of a safety function required to control the release of radioactive material and mitigate the consequences of an accident. The required action to isolate the flow path by use of one closed and de-activated valve was completed at 0354 (CST), within the four hour completion time. Repair activities are in progress.</br>The licensee notified the NRC Resident Inspector and the State of Minnesota Duty Officer.r and the State of Minnesota Duty Officer. +
09:27:00, 11 February 2011 +
10:48:00, 11 February 2011 +
09:27:00, 11 February 2011 +
On February 11, 2011 at 0327 (CST), Second … On February 11, 2011 at 0327 (CST), Secondary Containment isolation damper V-D-61 (Reactor Building Outboard Isolation Damper) was discovered iced closed with the actuator broken. The corresponding inboard damper, V-D-62, was found blocked partially open due to icing. Technical Specification Condition 3.6.4.2.B was entered for one Secondary Containment penetration flow path with two isolation valves inoperable. This resulted in a condition which could have prevented the fulfillment of a safety function required to control the release of radioactive material and mitigate the consequences of an accident. The required action to isolate the flow path by use of one closed and de-activated valve was completed at 0354 (CST), within the four hour completion time. Repair activities are in progress.</br>The licensee notified the NRC Resident Inspector and the State of Minnesota Duty Officer.r and the State of Minnesota Duty Officer. +
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100 +
00:00:00, 11 February 2011 +
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>.
22:28:37, 24 September 2017 +
10:48:00, 11 February 2011 +
true +
false +
0.0563 d (1.35 hours, 0.00804 weeks, 0.00185 months) +
09:27:00, 11 February 2011 +
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.