ENS 40769: Difference between revisions
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| event date = 05/21/2004 21:08 EDT | | event date = 05/21/2004 21:08 EDT | ||
| last update date = 05/22/2004 | | last update date = 05/22/2004 | ||
| title = Automatic Reactor Trip Due | | title = Automatic Reactor Trip Due to Generator Leads Failure | ||
| event text = Unit 2 Reactor tripped at 2108, first out is F-E-2, 500KV leads differential lockout relay trip. | | event text = Unit 2 Reactor tripped at 2108, first out is F-E-2, 500KV leads differential lockout relay trip. | ||
This notification is being made pursuant to 10 CFR 50.72(b)(2)(iv)(B) for 4-hour notification of RPS Activation and 10 CFR 50.72(b)(3)(iv)(A) for 8-hour notification of automatic actuation of AFW. Plant responded as expected with the exception of 'C' SG AFW flow indication. The 'C' SG level responded normally to Unit conditions. The NRC resident has been notified of this event and is on site. Notification was made to NRC duty officer upon declaration on NOUE[See EN#40768], which was declared based on EAL Tab K-6 for 'Confirmed report of unplanned explosion within Protected Area or Switchyard.' An electrical fault was observed in the 500 KV switchyard and is currently being investigated. No further damage has been detected in the switchyard. The NOUE, which was declared at 2116, has been terminated as of 2256. | This notification is being made pursuant to 10 CFR 50.72(b)(2)(iv)(B) for 4-hour notification of RPS Activation and 10 CFR 50.72(b)(3)(iv)(A) for 8-hour notification of automatic actuation of AFW. Plant responded as expected with the exception of 'C' SG AFW flow indication. The 'C' SG level responded normally to Unit conditions. The NRC resident has been notified of this event and is on site. Notification was made to NRC duty officer upon declaration on NOUE[See EN#40768], which was declared based on EAL Tab K-6 for 'Confirmed report of unplanned explosion within Protected Area or Switchyard.' An electrical fault was observed in the 500 KV switchyard and is currently being investigated. No further damage has been detected in the switchyard. The NOUE, which was declared at 2116, has been terminated as of 2256. | ||
Latest revision as of 22:23, 1 March 2018
| Where | |
|---|---|
Surry  Virginia (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(iv)(B), RPS Actuation 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
| Time - Person (Reporting Time:+-0.67 h-0.0279 days <br />-0.00399 weeks <br />-9.17766e-4 months <br />) | |
| Opened: | Grover M. Woodzell 00:28 May 22, 2004 |
| NRC Officer: | Jeff Rotton |
| Last Updated: | May 22, 2004 |
| 40769 - NRC Website
| |
Surry with 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |