ENS 42201
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ENS Event | |
---|---|
07:19 Nov 6, 2005 | |
Title | Invalid Containment Isolation Signal Generated |
Event Description | This telephone notification is provided in accordance with 10 CFR 50.73(a)(1), to report an invalid actuation reportable under 10 CFR 50.73(a)(2)(iv)(A), 'Any event or condition that resulted in manual or automatic actuation of any system listed in paragraph (a)(2)(iv)(B).' General containment isolation signals affecting containment isolation valves in more than one system is identified in paragraph (a)(2)(iv)(B).
On November 6, 2005, at 0119 hours0.00138 days <br />0.0331 hours <br />1.967593e-4 weeks <br />4.52795e-5 months <br />, with Unit 2 in Mode 5 'Refueling,' an invalid containment isolation signal was generated when maintenance personnel disconnected an electrical lead. The event occurred due to an error in a work package and resulted in the initiation of Group 2 and 3 isolation signals. The containment isolation signals affected containment isolation valves in more than one system. All affected containment isolation valves operated as designed. The licensee notified the NRC Resident Inspector. |
Where | |
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Dresden Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.73(a)(1), Submit an LER, Invalid Actuation | |
Time - Person (Reporting Time:+896.38 h37.349 days <br />5.336 weeks <br />1.228 months <br />) | |
Opened: | Paul Salgado 15:42 Dec 13, 2005 |
NRC Officer: | John Knoke |
Last Updated: | Dec 13, 2005 |
42201 - NRC Website
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WEEKMONTHYEARENS 497322013-11-17T16:00:00017 November 2013 16:00:00
[Table view]10 CFR 50.73(a)(1), Submit an LER 60-Day Report for Invalid System Actuation of Emergency Diesel Generators ENS 471182011-06-05T03:43:0005 June 2011 03:43:00 10 CFR 50.73(a)(1), Submit an LER Invalid Signal Caused a Partial Containment System Isolation ENS 455922009-11-06T21:32:0006 November 2009 21:32:00 10 CFR 50.73(a)(1), Submit an LER ENS 452162009-05-25T21:15:00025 May 2009 21:15:00 10 CFR 50.73(a)(1), Submit an LER Optional 60-Day Report of Invalid Specified System Actuation ENS 422012005-11-06T07:19:0006 November 2005 07:19:00 10 CFR 50.73(a)(1), Submit an LER Invalid Containment Isolation Signal Generated ENS 420512005-09-08T15:08:0008 September 2005 15:08:00 10 CFR 50.73(a)(1), Submit an LER Invalid System Actuation ENS 416822005-04-03T11:04:0003 April 2005 11:04:00 10 CFR 50.73(a)(1), Submit an LER Containment Isolation Valve Closure 2013-11-17T16:00:00 | |
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