ENS 53014: Difference between revisions
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Latest revision as of 21:52, 30 October 2018
ENS Event | |
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22:00 Oct 13, 2017 | |
Title | Accident Mitigation - High Pressure Coolant Injection Declared Inoperable |
Event Description | On October 13, 2017 at 1700 CDT, Unit 1 High Pressure Coolant Injection (HPCI) was declared Inoperable due to discovery of a leak on a sensing line to 1-PCV-073-0043, Lube Oil Cooler & Gland Seal Condenser Pressure Control Valve. The leak is a steady stream located where the sense line connects to the valve.
This constitutes an unplanned HPCI System inoperability and requires an 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> ENS notification in accordance with 10 CFR 50.72(b)(3)(v)(D), due to the failure of a single train system affecting accident mitigation and a 60 day written report in accordance with 10 CFR 50.73(a)(2)(v)(D). The NRC Resident Inspector has been notified by the Licensee. |
Where | |
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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 | |
Time - Person (Reporting Time:+0.77 h0.0321 days <br />0.00458 weeks <br />0.00105 months <br />) | |
Opened: | Stewart Wetzel 22:46 Oct 13, 2017 |
NRC Officer: | Richard Smith |
Last Updated: | Oct 13, 2017 |
53014 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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