ENS 57181
ENS Event | |
|---|---|
20:40 Jun 18, 2024 | |
| Title | Inoperability of Division 3 Diesel Generator Supporting High Pressure Core Spray |
| Event Description | The following information was provided by the licensee via phone and email:
At 1640 EDT on 06/18/2024, the division 3 diesel generator was declared inoperable. This condition could prevent 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). All other emergency core cooling systems were operable during this time. There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. The division 3 diesel generator was declared inoperable due to potential water intrusion into the electrical generator. Inspection of the generator is in progress. The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance: This event resulted in Perry Unit 1 entering a 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> limiting condition for operation (LCO) in accordance with Technical Specification 3.8.1. condition 'B'. |
| Where | |
|---|---|
Perry  Ohio (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:+18.45 h0.769 days <br />0.11 weeks <br />0.0253 months <br />) | |
| Opened: | Robert Mcclary 15:07 Jun 19, 2024 |
| NRC Officer: | Tenisha Meadows |
| Last Updated: | Jun 19, 2024 |
| 57181 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (88 %) |
| After | Power Operation (88 %) |