ENS 40884
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ENS Event | |
|---|---|
20:39 Jul 20, 2004 | |
| Title | Loss of Emergency Assessment Capability Exceeding 8 Hours |
| Event Description | Scheduled work activity on Plant Computer System resulted in loss of emergency assessment capability exceeding 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
The licensee informed the NRC Resident Inspector. |
| Where | |
|---|---|
Comanche Peak  Texas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.65 h-0.11 days <br />-0.0158 weeks <br />-0.00363 months <br />) | |
| Opened: | Don Cerny 18:00 Jul 20, 2004 |
| NRC Officer: | Chauncey Gould |
| Last Updated: | Jul 20, 2004 |
| 40884 - NRC Website | |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 556942022-01-07T07:20:0007 January 2022 07:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Meteorological Emergency Assessment Capability ENS 553052021-06-13T03:27:00013 June 2021 03:27:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line (Msl) Radiation Monitor Non-Functional ENS 553042021-06-12T22:25:00012 June 2021 22:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line (Msl) Radiation Monitor Non-Functional ENS 549292020-09-30T13:15:00030 September 2020 13:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | Radiation Monitors Required for Event Assessment Out of Service for Planned Maintenance ENS 544332019-12-10T15:20:00010 December 2019 15:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Loss of Emergency Response Facilities and Equipment ENS 544302019-12-10T03:26:00010 December 2019 03:26:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line (Msl) Radiation Monitor to Be Non-Functional ENS 543672019-11-03T14:00:0003 November 2019 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness En Revision Imported Date 12/11/2019 ENS 543292019-10-14T14:11:00014 October 2019 14:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line (Msl) Radiation Monitor Removed from Service for Planned Maintenance ENS 534722018-06-26T05:00:00026 June 2018 05:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line Radiation Monitor Determined to Be Non-Functional ENS 534232018-05-23T13:48:00023 May 2018 13:48:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability ENS 533802018-05-03T17:20:0003 May 2018 17:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability ENS 532122018-02-15T09:06:00015 February 2018 09:06:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line Radiation Monitor Determined to Be Non Functional ENS 531542018-01-06T17:26:0006 January 2018 17:26:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line Radiation Monitor Determined to Be Non-Functional ENS 531432018-01-02T17:37:0002 January 2018 17:37:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Emergency Response Equipment Due to Loss of Plant Computer ENS 531052017-12-06T02:00:0006 December 2017 02:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Multiple Radiation Monitors During Maintenance ENS 529372017-08-30T07:10:00030 August 2017 07:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Emergency Response Equipment ENS 523632016-11-13T16:12:00013 November 2016 16:12:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness One Main Steam Line Radiation Monitor Failed ENS 519552016-05-24T15:22:00024 May 2016 15:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Emergency Assessment Capability ENS 518712016-04-19T18:43:00019 April 2016 18:43:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Steam Line Radiation Detector Determined to Be Non Functional ENS 517172016-02-09T14:12:0009 February 2016 14:12:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance of the Plant Computer System ENS 516392016-01-07T13:59:0007 January 2016 13:59:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Both Meteorological Towers Due to Power System Failure ENS 509652015-04-07T16:00:0007 April 2015 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Inoperable Seismic Instrumentation Identified During Historical Review ENS 509552015-04-05T13:52:0005 April 2015 13:52:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Both Primary and Backup Meteorological Towers Due to Partial Loss of 25Kv Power Distribution ENS 507732015-01-28T16:18:00028 January 2015 16:18:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Unavailable Due to Planned Ventilation Maintenance ENS 507152015-01-03T11:38:0003 January 2015 11:38:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Meteorological Emergency Assessment Capability ENS 507132015-01-02T09:14:0002 January 2015 09:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Meteorological Emergency Assessment Capability ENS 503502014-08-07T14:25:0007 August 2014 14:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Air Conditioning Operating at Reduced Capacity ENS 489532013-04-22T14:00:00022 April 2013 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Not Available ENS 483522012-09-27T17:54:00027 September 2012 17:54:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Emergency Assessment During Planned Modifications ENS 483182012-09-18T15:55:00018 September 2012 15:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Outage of Plant Radiation Monitoring System Remote Readout Due to Planned Modification ENS 482472012-08-29T13:57:00029 August 2012 13:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Plant Radiation Monitoring System Remote Readout ENS 447642009-01-13T08:19:00013 January 2009 08:19:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications Capability Due to a Fiber Optic Cable Cut ENS 442822008-06-10T15:11:00010 June 2008 15:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of the Safety Parameter Display System ENS 441912008-05-07T16:00:0007 May 2008 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Multiplexer Power Supply ENS 422042005-12-13T19:45:00013 December 2005 19:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Offsite Notification ENS 408842004-07-20T20:39:00020 July 2004 20:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability Exceeding 8 Hours 2022-01-07T07:20:00 [Table view] | |
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