ENS 54470
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ENS Event | |
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17:32 Jan 9, 2020 | |
Title | Loss of Chillers |
Event Description | The Division I Control Building Chiller 'A' failed to start during post maintenance testing. By design, the Division II Control Building Chiller 'B' should have started automatically but did not. Operators then manually placed the Division I Control Building Chiller 'C' in service.
This condition rendered both Divisions of the Control Building Air Conditioning System Inoperable. The applicable LCO was entered and exited 10 minutes later with all required actions and completion times met. The cause of the failure is not known at this time. The plant was at 100% power at the time of the event and is currently stable at 100% power. The NRC Resident Inspector has been notified. |
Where | |
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River Bend ![]() Louisiana (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor | |
Time - Person (Reporting Time:+1.88 h0.0783 days <br />0.0112 weeks <br />0.00258 months <br />) | |
Opened: | Jason Arns 19:25 Jan 9, 2020 |
NRC Officer: | Karl Diederich |
Last Updated: | Jan 9, 2020 |
54470 - NRC Website
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