ENS 43195
From kanterella
Jump to navigation
Jump to search
ENS Event | |
---|---|
00:47 Feb 28, 2007 | |
Title | Technical Specification Required Shutdown Due to Failed Surveillance Testing |
Event Description | Both Trains of Emergency Core Cooling System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS) were declared inoperable at 1620 when dampers 2-HV-AOD-228-1 and -2, Safeguards Area Exhaust Bypass Dampers, failed surveillance testing. A ramp down was initiated at 1947 as required by Technical Specification 3.0.3.
Temporary repairs to the dampers were completed at approximately 2125 and the ramp down was terminated. Temporary repair was made to the bypass damper seating surface. The licensee notified the NRC Resident Inspector. |
Where | |
---|---|
North Anna Virginia (NRC Region 2) | |
Reporting | |
10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
Time - Person (Reporting Time:+-2.53 h-0.105 days <br />-0.0151 weeks <br />-0.00347 months <br />) | |
Opened: | Brett Ravan 22:15 Feb 27, 2007 |
NRC Officer: | Jeff Rotton |
Last Updated: | Feb 27, 2007 |
43195 - NRC Website
Loading map... {"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"350px","height":"250px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":6,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EENS 43195\u003C/a\u003E - \u003Ca href=\"/North_Anna\" title=\"North Anna\"\u003ENorth Anna\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ETechnical Specification Required Shutdown Due to Failed Surveillance Testing\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 43195 - North Anna\n","link":"","lat":38.06055555555555,"lon":-77.78944444444444,"icon":"/w/images/b/b0/Dominion_icon.png"}],"imageoverlays":null} | |
Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (35 %) |
WEEKMONTHYEARENS 546522020-04-09T05:00:0009 April 2020 05:00:00
[Table view]10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Reactor Coolant System Pressure Boundary Leakage ENS 521372016-07-30T15:52:00030 July 2016 15:52:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown, 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded Technical Specification Required Shutdown Due to Unisolable Reactor Coolant System Boundary Leakage ENS 507002014-12-23T03:30:00023 December 2014 03:30:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown, 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded Unit 1 Technical Specification Shutdown Due to Rcs Pressure Boundary Leakage ENS 460942010-07-14T23:34:00014 July 2010 23:34:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Tech Spec Shutdown Due to Through Wall Flaws in S/G Sample Line, Secondary Side ENS 454602009-10-23T20:34:00023 October 2009 20:34:00 Other Unspec Reqmnt, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Plant Shutdown Due to Excess Letdown Heat Exchanger Tube Leak and After-The-Fact Unusual Event ENS 431952007-02-28T00:47:00028 February 2007 00:47:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Failed Surveillance Testing 2020-04-09T05:00:00 | |
Retrieved from "https://kanterella.com/w/index.php?title=ENS_43195&oldid=427039"