ENS 52844: Difference between revisions
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| event date = 07/10/2017 02:50 EDT | | event date = 07/10/2017 02:50 EDT | ||
| last update date = 07/10/2017 | | last update date = 07/10/2017 | ||
| title = Loss | | title = Loss of Secondary Containment Due to Failure of Non-Safety Related Discharge Damper | ||
| event text = On July 10th, 2017 at 0250 hrs. [EDT] a loss of secondary containment differential pressure (D/P) occurred due to failure of a non-safety related discharge damper associated with 2V205B Reactor Building Zone II Exhaust Fan. This caused a reduction in Reactor Building Zone II (Unit 2) D/P to less than the required 0.25 inches WC [Water Column]. | | event text = On July 10th, 2017 at 0250 hrs. [EDT] a loss of secondary containment differential pressure (D/P) occurred due to failure of a non-safety related discharge damper associated with 2V205B Reactor Building Zone II Exhaust Fan. This caused a reduction in Reactor Building Zone II (Unit 2) D/P to less than the required 0.25 inches WC [Water Column]. | ||
2V205A Reactor Building Zone II Exhaust Fan was manually started and Reactor Building Zone II D/P was restored to greater than 0.25 inches WC by 0301 hrs. | 2V205A Reactor Building Zone II Exhaust Fan was manually started and Reactor Building Zone II D/P was restored to greater than 0.25 inches WC by 0301 hrs. | ||
Latest revision as of 20:42, 1 March 2018
| Where | |
|---|---|
Susquehanna  Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material | |
| LER: | 05000388/LER-2017-006 |
| Time - Person (Reporting Time:+0.75 h0.0313 days <br />0.00446 weeks <br />0.00103 months <br />) | |
| Opened: | Steven Koch 07:35 Jul 10, 2017 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Jul 10, 2017 |
| 52844 - NRC Website
| |
Susquehanna with 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material | |