ENS 55056: Difference between revisions
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| last update date = 01/07/2021 | | last update date = 01/07/2021 | ||
| title = Unusual Event Declared Due to Rise in Drywell Unidentified Reactor Coolant System Leakage | | title = Unusual Event Declared Due to Rise in Drywell Unidentified Reactor Coolant System Leakage | ||
| event text = | | event text = "An Unusual Event was declared at Grand Gulf Nuclear Station at 0124 [CST] on 01/07/2021 due to Unidentified Drywell Leakage exceeding 10 GPM for 15 minutes. Unidentified leakage has reduced to less than 0.44 GPM as of 0213 CST on 01/07/2021." | ||
The cause of the increase leakage rate is under investigation. | The cause of the increase leakage rate is under investigation. | ||
The licensee notified the NRC Resident Inspector. | The licensee notified the NRC Resident Inspector. | ||
Revision as of 23:06, 13 January 2021
| Where | |
|---|---|
Grand Gulf  Mississippi (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-4.1 h-0.171 days <br />-0.0244 weeks <br />-0.00562 months <br />) | |
| Opened: | Leroy Purdy 03:18 Jan 7, 2021 |
| NRC Officer: | Brian Lin |
| Last Updated: | Jan 7, 2021 |
| 55056 - NRC Website
| |