ENS 55619
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ENS Event | |
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00:47 Dec 2, 2021 | |
Title | Unit 1 HPCI Inoperable |
Event Description | At 1847 CST on December 1, 2021, it was discovered that the HPCI [high pressure coolant injection] 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)(D). The Unit 1 RCIC [reactor core isolation cooling] system was Operable during this time period. There was no impact on the health and safety of the public or plant personnel. The NRC Resident has been notified.
Unit 1 HPCI operability was restored at 2110 CST. |
Where | |
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Quad Cities ![]() 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:+0.18 h0.0075 days <br />0.00107 weeks <br />2.46564e-4 months <br />) | |
Opened: | Ron Snook 00:58 Dec 2, 2021 |
NRC Officer: | Brian Lin |
Last Updated: | Dec 2, 2021 |
55619 - 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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