ENS 46347: Difference between revisions
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| event date = 10/19/2010 21:08 EDT | | event date = 10/19/2010 21:08 EDT | ||
| last update date = 10/20/2010 | | last update date = 10/20/2010 | ||
| title = Failure | | title = Failure of Plant Process Computer Displays and Spds to Update | ||
| event text = This 8-hour non-emergency report is being made based upon requirements of 10 CFR 50.72(b)(3)(xiii) which states that the licensee shall notify the NRC as soon as practical and in all cases within eight hours of the occurrence of: 'Any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability (e.g., significant portion of control room indication, Emergency Notification System, or offsite notification system).' | | event text = This 8-hour non-emergency report is being made based upon requirements of 10 CFR 50.72(b)(3)(xiii) which states that the licensee shall notify the NRC as soon as practical and in all cases within eight hours of the occurrence of: 'Any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability (e.g., significant portion of control room indication, Emergency Notification System, or offsite notification system).' | ||
At 1308 EDT on Tuesday, October 19, 2010, the Nine Mile Point Unit 1 Control Room received the annunciator for Process Computer Trouble. At the same time, all Process Computer displays stopped updating, including the Safety Parameter Display System (SPDS). | At 1308 EDT on Tuesday, October 19, 2010, the Nine Mile Point Unit 1 Control Room received the annunciator for Process Computer Trouble. At the same time, all Process Computer displays stopped updating, including the Safety Parameter Display System (SPDS). | ||
Latest revision as of 22:08, 1 March 2018
| Where | |
|---|---|
Nine Mile Point  New York (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-3.9 h-0.163 days <br />-0.0232 weeks <br />-0.00534 months <br />) | |
| Opened: | Ryan Hamilton 21:14 Oct 19, 2010 |
| NRC Officer: | Joe O'Hara |
| Last Updated: | Oct 20, 2010 |
| 46347 - NRC Website
| |