ENS 55780: Difference between revisions
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| emergency class = Non Emergency | | emergency class = Non Emergency | ||
| notification date = 03/09/2022 23:20 | | notification date = 03/09/2022 23:20 | ||
| retracted = Yes | |||
| notification by = Jason Krupp | | notification by = Jason Krupp | ||
| NRC officer = Dan Livermore | | NRC officer = Dan Livermore | ||
| event date = 03/09/2022 20:13 EST | | event date = 03/09/2022 20:13 EST | ||
| last update date = | | last update date = 05/04/2022 | ||
| title = High Pressure Coolant Injection (HPCI) Inoperable | | title = High Pressure Coolant Injection (HPCI) Inoperable | ||
| event text = The following information was provided by the licensee: | | event text = The following information was provided by the licensee: | ||
| Line 22: | Line 23: | ||
Unit 1 is not affected by this event. Unit 1 is in a refueling outage. | Unit 1 is not affected by this event. Unit 1 is in a refueling outage. | ||
The NRC Resident Inspector has been notified. | The NRC Resident Inspector has been notified. | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/ | * * * RETRACTION ON 05/04/22 AT 1135 EDT FROM CHARLIE BROOKSHIRE TO DAN LIVERMORE * * * | ||
The following information was provided by the licensee via email: | |||
At 20:13 EST on March 9, 2022, the HPCI System was declared inoperable following evaluation of routine HPCI surveillance testing data indicating that the required response time for reaching rated flow and pressure was not met. Subsequent to this, it was determined that the required response time was overly conservative for assuring the safety function of the system could be fulfilled. The required response time was revised. The operability determination for this event has been updated indicating that system operability was never lost for this event. There was not a condition that could have prevented the system from fulfilling the safety function. | |||
The NRC Resident Inspector has been notified. | |||
Notified R2DO (Miller). | |||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/20220505en.html#en55780 | |||
}}{{unit info | }}{{unit info | ||
| Unit = 2 | | Unit = 2 | ||
Latest revision as of 07:30, 5 May 2022
| Where | |
|---|---|
Brunswick  North Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+-1.88 h-0.0783 days <br />-0.0112 weeks <br />-0.00258 months <br />) | |
| Opened: | Jason Krupp 23:20 Mar 9, 2022 |
| NRC Officer: | Dan Livermore |
| Last Updated: | May 4, 2022 |
| 55780 - NRC Website
| |
Brunswick with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |