ENS 43119: Difference between revisions
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| event date = 01/25/2007 05:42 CST | | event date = 01/25/2007 05:42 CST | ||
| last update date = 01/25/2007 | | last update date = 01/25/2007 | ||
| title = Loss | | title = Loss of Safety Parameters Display System (Spds) | ||
| event text = On 01/25/07 at 05:42am CT, the Wolf Creek Generating Station Nuclear Plant Information System (NPIS) computer 'C' primary and all backup MUX's failed. Subsequent troubleshooting failed to restore all primary MUX's to operation in a short period of time. | | event text = On 01/25/07 at 05:42am CT, the Wolf Creek Generating Station Nuclear Plant Information System (NPIS) computer 'C' primary and all backup MUX's failed. Subsequent troubleshooting failed to restore all primary MUX's to operation in a short period of time. | ||
The failure to restore the NPIS computer has resulted in a loss of functionality of the SPDS. Due to SPDS being lost for longer than a short period of time, Wolf Creek Nuclear Operating Corporation is making this ENS notification pursuant to the criteria of 10 CFR 50.72(b)(3)(xiii). There was no other loss of emergency assessment capability concurrent with the ongoing loss of SPDS. Plant personnel entered the appropriate Off-Normal procedure and obtained local readings for the equipment that is normally monitored by SPDS and NPIS during the loss of the plant computer. | The failure to restore the NPIS computer has resulted in a loss of functionality of the SPDS. Due to SPDS being lost for longer than a short period of time, Wolf Creek Nuclear Operating Corporation is making this ENS notification pursuant to the criteria of 10 CFR 50.72(b)(3)(xiii). There was no other loss of emergency assessment capability concurrent with the ongoing loss of SPDS. Plant personnel entered the appropriate Off-Normal procedure and obtained local readings for the equipment that is normally monitored by SPDS and NPIS during the loss of the plant computer. |
Latest revision as of 22:17, 1 March 2018
Where | |
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Wolf Creek ![]() Kansas (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+3.93 h0.164 days <br />0.0234 weeks <br />0.00538 months <br />) | |
Opened: | Lance Lane 15:38 Jan 25, 2007 |
NRC Officer: | John Mackinnon |
Last Updated: | Jan 25, 2007 |
43119 - NRC Website
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