ENS 50676
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ENS Event | |
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14:57 Dec 12, 2014 | |
Title | High Energy Line Break Isolation Door Inoperable |
Event Description | The boundary door between the A and B safety related switchgear rooms was found not to be latching. This door is credited in the high energy line break (HELB) analysis. Both trains of safety related switchgear were affected for approximately 36 minutes. The technical specification action statement was entered, the door was repaired, and the action statement was exited.
The licensee notified the NRC Resident Inspector. |
Where | |
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Millstone Connecticut (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
LER: | 05000423/LER-2014-004 |
Time - Person (Reporting Time:+7.5 h0.313 days <br />0.0446 weeks <br />0.0103 months <br />) | |
Opened: | Michel Ciccone 22:27 Dec 12, 2014 |
NRC Officer: | Mark Abramovitz |
Last Updated: | Dec 12, 2014 |
50676 - NRC Website
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Unit 3 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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