ENS 43440: Difference between revisions
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| event date = 06/21/2007 20:00 CDT | | event date = 06/21/2007 20:00 CDT | ||
| last update date = 06/22/2007 | | last update date = 06/22/2007 | ||
| title = "Spds (Safety Parameter Display System) Inoperable Due | | title = "Spds (Safety Parameter Display System) Inoperable Due to Plant Computer Inoperability | ||
| event text = The Wolf Creek Nuclear Plant Information System (NPIS; Plant Computer) was conservatively declared inoperable at 2000 (CDT) on 06/21/2007 due to questions concerning accuracy of some of the computer point outputs. Initial troubleshooting and investigation identified that some computer points may be reading 0.1% to 0.2% lower than actual process parameter. Investigation is ongoing to determine the scope and cause for this condition and to correct the problem. Compensatory measures for loss of NPIS are being implemented in accordance with procedure OFN RJ-023, NPIS Malfunctions. The plant is stable with power being maintained at or below 100% based on Nuclear Instruments. | | event text = The Wolf Creek Nuclear Plant Information System (NPIS; Plant Computer) was conservatively declared inoperable at 2000 (CDT) on 06/21/2007 due to questions concerning accuracy of some of the computer point outputs. Initial troubleshooting and investigation identified that some computer points may be reading 0.1% to 0.2% lower than actual process parameter. Investigation is ongoing to determine the scope and cause for this condition and to correct the problem. Compensatory measures for loss of NPIS are being implemented in accordance with procedure OFN RJ-023, NPIS Malfunctions. The plant is stable with power being maintained at or below 100% based on Nuclear Instruments. | ||
The licensee notified the NRC Resident Inspector. | The licensee notified the NRC Resident Inspector. | ||
Latest revision as of 22:16, 1 March 2018
| Where | |
|---|---|
Wolf Creek  Kansas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+2.57 h0.107 days <br />0.0153 weeks <br />0.00352 months <br />) | |
| Opened: | Terry Damashek 03:34 Jun 22, 2007 |
| NRC Officer: | Pete Snyder |
| Last Updated: | Jun 22, 2007 |
| 43440 - NRC Website
| |