ENS 56409
From kanterella
ENS Event | |
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14:00 Mar 14, 2023 | |
Title | High Pressure Core Injection Inoperable |
Event Description | The following information was provided by the licensee via email:
At 1000 EDT on March 14, 2023, during valve diagnostic testing, the high pressure core injection (HPCI) lube oil cooling water supply isolation valve did not stroke open. This failure resulted in the Unit 2 HPCI system being inoperable. This is being reported as a loss of an entire safety function condition in accordance with 10CFR50.72(b)(3)(v)(D). The licensee notified the NRC Resident Inspector. |
Where | |
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Susquehanna Pennsylvania (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
Time - Person (Reporting Time:+1.87 h0.0779 days <br />0.0111 weeks <br />0.00256 months <br />) | |
Opened: | John Teck 15:52 Mar 14, 2023 |
NRC Officer: | Bill Gott |
Last Updated: | Mar 14, 2023 |
56409 - NRC Website
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Unit 2 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (85 %) |
After | Power Operation (85 %) |
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