ENS 52019
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ENS Event | |
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02:35 Jun 18, 2016 | |
Title | High Pressure Coolant Injection System Rendered Inoperable |
Event Description | On 6/17/2016, 2-SR-3.3.6.1.6(3) HPCI [High Pressure Coolant Injection] system time delay relay calibration periodic surveillance was being performed. During a section in the procedure a fuse cleared for the logic bus B power at 2135 [CDT]. This rendered the HPCI system unable to be manually or automatically initiated. At 2239 the fuse was replaced and the HPCI system was restored to a standby lineup.
HPCl is a single train safety system and this notification is being made in accordance with 10CFR50.72 (b)(3)(v)(D). The NRC Resident Inspector has been notified. |
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:+3.23 h0.135 days <br />0.0192 weeks <br />0.00442 months <br />) | |
Opened: | Todd Christensen 05:49 Jun 18, 2016 |
NRC Officer: | Jeff Herrera |
Last Updated: | Jun 18, 2016 |
52019 - NRC Website
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Unit 2 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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