ENS 51600
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ENS Event | |
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10:16 Dec 11, 2015 | |
Title | High Pressure Core Spray Declared Inoperable |
Event Description | At 0416 [CST] on 12-11-2015, River Bend Station declared the High Pressure Core Spray system INOPERABLE in accordance with Technical Specification 3.8.9, Condition E (Declare High Pressure Core Spray System and Standby Service Water System Pump 2C inoperable immediately) due to Division 2 Control Room Air Conditioning System HVK-CHL1D tripping off because of high inboard bearing temperature of 180 deg F.
Actions taken to exit LCO: Alternated divisions of Control Room Air Conditioning System to Division 1 HVK-CHL1C in service and Division 2 HVK-CHL1B in standby and exited LCO at 0439. The licensee has notified the NRC Resident Inspector. |
Where | |
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River Bend Louisiana (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
Time - Person (Reporting Time:+1.2 h0.05 days <br />0.00714 weeks <br />0.00164 months <br />) | |
Opened: | Dan Pipkin 11:28 Dec 11, 2015 |
NRC Officer: | Dong Park |
Last Updated: | Dec 11, 2015 |
51600 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (83 %) |
After | Power Operation (83 %) |
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