ENS 56471
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ENS Event | |
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07:46 Apr 17, 2023 | |
Title | |
Event Description | The following information was provided by the licensee via email:
At 0246 CDT on April 17, 2023, it was discovered that the single train low pressure core spray system was inoperable. Due to this inoperability, the system was in a condition that could have prevented the fulfillment of a safety function; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). All other emergency core cooling systems remained operable during this time period. There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance: LaSalle Unit 1 is in a 7 day limiting condition for operation. |
Where | |
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Lasalle ![]() Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
Time - Person (Reporting Time:+1.85 h0.0771 days <br />0.011 weeks <br />0.00253 months <br />) | |
Opened: | Erik Thompson 09:37 Apr 17, 2023 |
NRC Officer: | Sam Colvard |
Last Updated: | Apr 17, 2023 |
56471 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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