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ENS 44615
Show incoming properties 
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation +
Current power
0  +
Current reactor mode
Hot Standby +
Description
During the performance of 030 (post refuel … During the performance of 030 (post refueling start-up testing), control rods were being inserted for dynamic rod worth measurement. An urgent failure occurred in the rod control system which caused Group 1 rods in Control Bank A to stop inserting while Group 2 rods continued to insert.</br>Reactor was manually tripped following the receipt of rod control alarms due to rod misalignment within Control Bank A. All rods inserted as expected.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
Discovered date
19:17:00, 30 October 2008  +
Emergency class
Non Emergency +
Entered date
16:23:00, 30 October 2008  +
Event date
19:17:00, 30 October 2008  +
Event description
During the performance of 030 (post refuel … During the performance of 030 (post refueling start-up testing), control rods were being inserted for dynamic rod worth measurement. An urgent failure occurred in the rod control system which caused Group 1 rods in Control Bank A to stop inserting while Group 2 rods continued to insert.</br>Reactor was manually tripped following the receipt of rod control alarms due to rod misalignment within Control Bank A. All rods inserted as expected.</br>The licensee notified the NRC Resident Inspector.ensee notified 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 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +, ENS 44615 +  and ENS 44615 +
Initial power
1  +
Initial reactor mode
Startup +
Last update date
00:00:00, 30 October 2008  +
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>.
02:13:19, 2 March 2018  +
NRC officer
John Knoke +
Notification date
16:23:00, 30 October 2008  +
Originated by
Terry Bacon +
Reactor critical
true  +
Reactor scram
true  +
Reactor type
Westinghouse PWR 2-Loop +
Region
NRC Region 3 +
Reporting criterion
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation +
Reporting time
-0.121 d (-2.9 hours, -0.0173 weeks, -0.00397 months)  +
Scram
Manual Scram +
Site
Prairie Island +
Start date
19:17:00, 30 October 2008  +
State
Minnesota +
System
Control Rod +
Title
Reactor Manually Tripped Due to Failure in Rod Control System  +
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/2008/20081031en.html#en44615  +
Unit
2  +
 
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