ENS 55992
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ENS Event | |
|---|---|
14:17 Jul 12, 2022 | |
| Title | |
| Event Description | The following information was provided by the licensee via fax or email:
At 0917 CDT on 7/12/2022, during the performance of U1 [Unit 1] High Pressure Coolant Injection (HPCI) rated flow test, the 1-FCV-73-19 (HPCI governor valve) failed to operate as expected. This condition results in U1 HPCI being inoperable; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). The Automatic Depressurization System (ADS) and Reactor Core Isolation Cooling (RCIC) system remain operable. There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. U1 entered TS LCO 3.5.1 Condition C, 14-day Shutdown LCO [Limiting Condition for Operation], due to the HPCI inoperability. |
| Where | |
|---|---|
| Browns Ferry Alabama (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| LER: | 05000259/LER-2022-002-01 High Pressure Coolant Injection System Declared Inoperable Due to a Corroded Actuator |
| Time - Person (Reporting Time:+3.13 h0.13 days <br />0.0186 weeks <br />0.00429 months <br />) | |
| Opened: | Lagrant Maye 17:25 Jul 12, 2022 |
| NRC Officer: | Bill Gott |
| Last Updated: | Jul 12, 2022 |
| 55992 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (96 %) |
| After | Power Operation (100 %) |
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