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ENS 49183
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +  and 10 CFR 50.72#b3xiii +
Current power
100  +
Current reactor mode
Power Operation +
Description
A and B Main Steam Line Radiation Monitors … A and B Main Steam Line Radiation Monitors 3MSS-RE75 and 76 have failed and were declared inoperable at 0513 hours July 10, 2013. Repairs have been completed and A and B Main Steam Line Radiation Monitors 3MSS-RE75 and 3MSS-RE76 were returned to service at 0900 hours July 10, 2013. The unit is in Mode 1.</br>This event is reportable pursuant to 10 CFR 50.72(b)(3)(xiii) as is any event that results in a major loss of emergency assessment capability, off-site response capability, or off-site communications capability.</br>The licensee informed the State of Connecticut, Waterford dispatch, and the NRC Resident Inspector. dispatch, and the NRC Resident Inspector.  +
Discovered date
09:13:00, 10 July 2013  +
ENS id number
49,183  +
Emergency class
Non Emergency +
Entered date
12:46:00, 10 July 2013  +
Event date
09:13:00, 10 July 2013  +
Event description
A and B Main Steam Line Radiation Monitors … A and B Main Steam Line Radiation Monitors 3MSS-RE75 and 76 have failed and were declared inoperable at 0513 hours July 10, 2013. Repairs have been completed and A and B Main Steam Line Radiation Monitors 3MSS-RE75 and 3MSS-RE76 were returned to service at 0900 hours July 10, 2013. The unit is in Mode 1.</br>This event is reportable pursuant to 10 CFR 50.72(b)(3)(xiii) as is any event that results in a major loss of emergency assessment capability, off-site response capability, or off-site communications capability.</br>The licensee informed the State of Connecticut, Waterford dispatch, and the NRC Resident Inspector. dispatch, and 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>.
ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +, ENS 49183 +  and ENS 49183 +
Hours
0.00594 d (0.143 hours, 8.482143e-4 weeks, 1.951965e-4 months)  +  and 0.0104 d (0.25 hours, 0.00149 weeks, 3.4245e-4 months)  +
Initial power
100  +
Initial reactor mode
Power Operation +
Last update date
00:00:00, 10 July 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>.
02:00:30, 2 March 2018  +
NRC officer
Daniel Mills +
Notification date
12:46:00, 10 July 2013  +
Originated by
Todd Stringfellow +
Reactor critical
true  +
Reactor scram
false  +
Reactor type
Westinghouse PWR 4-Loop +
Region
NRC Region 1 +
Reporting criterion
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Reporting time
0.148 d (3.55 hours, 0.0211 weeks, 0.00486 months)  +
SSC
3MSS-RE75 +  and 3MSS-RE76 +
Site
Millstone +
Start date
09:13:00, 10 July 2013  +
State
Connecticut +
Title
Loss of Assessment Capability Due to Failure of a & B Main Steam Line Radiation Monitors  +
Topic
Main Steam Line Radiation Monitor +
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.
http://www.nrc.gov/reading-rm/doc-collections/event-status/event/2013/20130711en.html#en49183  +
Unit
3  +
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