ENS 55056: Difference between revisions

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| utype = GE-6
| utype = GE-6
| cfr = 10 CFR 50.72(a) (1) (i)
| cfr = 10 CFR 50.72(a) (1) (i)
| emergency class = Unusual Event
| emergency class = Unusual Event
| notification date = 01/07/2021 03:18
| notification date = 01/07/2021 03:18
| notification by = Leroy Purdy
| notification by = Leroy Purdy
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| event date = 01/07/2021 01:24 CST
| event date = 01/07/2021 01:24 CST
| last update date = 01/07/2021
| last update date = 01/07/2021
| title = 1/8/2021
| title = Unusual Event Declared Due to Rise in Drywell Unidentified Reactor Coolant System Leakage
| event text = UNUSUAL EVENT DECLARED DUE TO RISE IN DRYWELL UNIDENTIFIED REACTOR COOLANT SYSTEM LEAKAGE
| 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.
"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.
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Notified R4DO (Kozal), IRD MOC (Gott), NRR EO (Felts), DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
Notified R4DO (Kozal), IRD MOC (Gott), NRR EO (Felts), DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2021/20210108en.html#en55056
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2021/20210108en.html#en55056
}}{{unit info
| Unit = 1
| type = GE-6
| Scram code = N
| Reactor critical = Y
| Initial power = 100
| Initial reactor mode = Power Operation
| Current power = 100
| Current reactor mode = Power Operation
}}
}}


{{ENS-Nav}}[[Category:Power Reactor]]
{{ENS-Nav}}[[Category:Power Reactor]]

Latest revision as of 13:33, 15 January 2021

ENS 55056 +/-
Where
Grand Gulf Entergy icon.png
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
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