ENS 40735
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ENS Event | |
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09:50 May 8, 2004 | |
Title | Reactor Startup Cancelled Due To Erratic Source Range Monitor |
Event Description | While performing a unit start-up, SRM 24 was declared inoperable due to erratic indications. SRM 22 was already inoperable which resulted in falling below the Technical Specification 3.3.1.2 mode 2 requirement of 3 operable SRMs.
The cause of the erratic indications on SRM 24 is unknown at this time. All control rods were fully inserted at 0527 CDT. The license plans to go to a cold shutdown condition to investigate the erratic source range monitor. The NRC Resident Inspector was notified of this event by the licensee. |
Where | |
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Dresden Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
Time - Person (Reporting Time:+-2.72 h-0.113 days <br />-0.0162 weeks <br />-0.00373 months <br />) | |
Opened: | Scott Briley 07:07 May 8, 2004 |
NRC Officer: | John Mackinnon |
Last Updated: | May 8, 2004 |
40735 - NRC Website
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WEEKMONTHYEARENS 444202008-08-17T14:02:00017 August 2008 14:02:00
[Table view]10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Shutdown Due to Inabililty to Perform a Required Rcs Leak Rate Verification ENS 407352004-05-08T09:50:0008 May 2004 09:50:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Reactor Startup Cancelled Due to Erratic Source Range Monitor ENS 404682004-01-23T18:20:00023 January 2004 18:20:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Plant Shutdown Required by Technical Specifications 2008-08-17T14:02:00 | |
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