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ENS 44901
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Cornerstone
Emergency Preparedness +
Current power
100  +
Current reactor mode
Power Operation +
Description
Byron Unit 1 Process Computer was unavaila … Byron Unit 1 Process Computer was unavailable for use from 0420 to 0814 EDT on 3/12/09. This resulted in a loss of Unit 1's ability to send Emergency Response Data System (ERDS) to the NRC for greater than 60 minutes. The Unit 1 Process Computer and ERDS was restored at 0814 on 3/12/09. Byron's reportabllity procedure defines a loss of ERDS for greater than 60 minutes as being a major loss of emergency preparedness capability.</br>NRC Resident Inspector was notified by licensee. Notified R3DO (Julio Lara)d by licensee. Notified R3DO (Julio Lara)  +
Discovered date
09:20:00, 12 March 2009  +
ENS id number
44,901  +
Emergency class
Non Emergency +
Entered date
12:31:00, 12 March 2009  +
Event date
09:20:00, 12 March 2009  +
Event description
Byron Unit 1 Process Computer was unavaila … Byron Unit 1 Process Computer was unavailable for use from 0420 to 0814 EDT on 3/12/09. This resulted in a loss of Unit 1's ability to send Emergency Response Data System (ERDS) to the NRC for greater than 60 minutes. The Unit 1 Process Computer and ERDS was restored at 0814 on 3/12/09. Byron's reportabllity procedure defines a loss of ERDS for greater than 60 minutes as being a major loss of emergency preparedness capability.</br>NRC Resident Inspector was notified by licensee. Notified R3DO (Julio Lara)d by licensee. Notified R3DO (Julio Lara)  +
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 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +, ENS 44901 +  and ENS 44901 +
Initial power
100  +
Initial reactor mode
Power Operation +
Last update date
00:00:00, 12 March 2009  +
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>.
02:12:33, 2 March 2018  +
NRC officer
John Knoke +
Notification date
12:31:00, 12 March 2009  +
Originated by
Ed Bendis +
Person
Julio Lara +
Reactor critical
true  +
Reactor scram
false  +
Reactor type
Westinghouse PWR 4-Loop +
Region
NRC Region 3 +
Reporting criterion
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Reporting time
0.133 d (3.18 hours, 0.0189 weeks, 0.00436 months)  +
Site
Byron +
Start date
09:20:00, 12 March 2009  +
State
Illinois +
System
Emergency Response Data System +
Title
Process Computer and Erds Unavailable for Greater than 60 Minutes  +
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/2009/20090313en.html#en44901  +
Unit
1  +
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