ENS 49715: Difference between revisions
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| event date = 01/11/2014 11:00 CST | | event date = 01/11/2014 11:00 CST | ||
| last update date = 01/11/2014 | | last update date = 01/11/2014 | ||
| title = Plant Shutdown Required | | title = Plant Shutdown Required by Technical Specifications | ||
| event text = On January 10, 2014, at 0919 CST, the plant voluntarily entered multiple required action statements in Technical Specifications 3.3.1 Reactor Trip System Instrumentation and 3.3.2 Engineered Safety Feature Actuation System to conduct surveillance testing of the B-train Solid State Protection System (SSPS). During testing, abnormal indications were received. As a result of the abnormal indications, the SSPS has not been returned to operable status within the required completion time of 24 hours. At 1100 CST on January 11, 2014, Unit 2 commenced a plant shutdown required by technical specifications and will be in Mode 3 by 1519. Therefore, this is reportable under 10 CFR 50.72(b)(2)(i), plant shutdown required by technical specifications. | | event text = On January 10, 2014, at 0919 CST, the plant voluntarily entered multiple required action statements in Technical Specifications 3.3.1 Reactor Trip System Instrumentation and 3.3.2 Engineered Safety Feature Actuation System to conduct surveillance testing of the B-train Solid State Protection System (SSPS). During testing, abnormal indications were received. As a result of the abnormal indications, the SSPS has not been returned to operable status within the required completion time of 24 hours. At 1100 CST on January 11, 2014, Unit 2 commenced a plant shutdown required by technical specifications and will be in Mode 3 by 1519. Therefore, this is reportable under 10 CFR 50.72(b)(2)(i), plant shutdown required by technical specifications. | ||
The NRC Resident Inspector has been notified. | The NRC Resident Inspector has been notified. | ||
Latest revision as of 21:52, 1 March 2018
| Where | |
|---|---|
Farley  Alabama (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
| Time - Person (Reporting Time:+-3.6 h-0.15 days <br />-0.0214 weeks <br />-0.00493 months <br />) | |
| Opened: | John Andrews 13:24 Jan 11, 2014 |
| NRC Officer: | Nestor Makris |
| Last Updated: | Jan 11, 2014 |
| 49715 - NRC Website
| |