ENS 57515
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ENS Event | |
|---|---|
20:50 Jan 26, 2025 | |
| Title | Control Room Emergency Ventilation Air Conditioning System Inoperable |
| Event Description | The following information was provided by the licensee via phone and email:
On January 26, 2025, at 1450 CST, it was discovered that the Control Room Emergency Ventilation Air Conditioning (CREVAC) system was inoperable. Due to this inoperability, the system was in a condition that could have prevented the fulfillment of a safety function, and therefore, this condition is being reported as an eight-hour non-emergency notification per 10 CFR 50.72(b)(3)(v)(D). The CREVAC system is a single train system. There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
| 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 | |
| LER: | 05000254/LER-2025-002 Control Room Emergency Ventilation Air Conditioning System Inoperable Due to Logic Issue |
| Time - Person (Reporting Time:+-0.25 h-0.0104 days <br />-0.00149 weeks <br />-3.4245e-4 months <br />) | |
| Opened: | Christopher Thompson 20:35 Jan 26, 2025 |
| NRC Officer: | Josue Ramirez |
| Last Updated: | Jan 26, 2025 |
| 57515 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (90 %) |
| After | Power Operation (90 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
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