ENS 52662: Difference between revisions
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StriderTol (talk | contribs) (Created page by program invented by Mark Hawes) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
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| event date = 04/03/2017 21:55 EDT | | event date = 04/03/2017 21:55 EDT | ||
| last update date = 04/04/2017 | | last update date = 04/04/2017 | ||
| title = Automatic Actuation | | title = Automatic Actuation of Auxiliary Feedwater System During Surveillance Testing | ||
| event text = At 2155 hours EDT on 04/03/2017, with the unit in Mode 3 at 0 [percent] power, an automatic actuation of the Auxiliary Feedwater (AFW) System occurred during surveillance testing. The cause of the AFW system auto-start was an improperly performed procedure step to bypass the auto-start logic of the AFW pumps during performance of the surveillance test. The 'A' and 'B' AFW pumps automatically started as designed when the feedwater isolation signal was received. | | event text = At 2155 hours EDT on 04/03/2017, with the unit in Mode 3 at 0 [percent] power, an automatic actuation of the Auxiliary Feedwater (AFW) System occurred during surveillance testing. The cause of the AFW system auto-start was an improperly performed procedure step to bypass the auto-start logic of the AFW pumps during performance of the surveillance test. The 'A' and 'B' AFW pumps automatically started as designed when the feedwater isolation signal was received. | ||
Due to the valid actuation of the AFW system, this event requires an 8-hour non-emergency notification under 10 CFR 50.72(b)(3)(iv)(A)(B)(6). At no time did this occurrence pose undue risk to the health and safety of the public. | Due to the valid actuation of the AFW system, this event requires an 8-hour non-emergency notification under 10 CFR 50.72(b)(3)(iv)(A)(B)(6). At no time did this occurrence pose undue risk to the health and safety of the public. | ||
Latest revision as of 20:43, 1 March 2018
| Where | |
|---|---|
Robinson  South Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
| LER: | 05000261/LER-2017-001 |
| Time - Person (Reporting Time:+0.63 h0.0263 days <br />0.00375 weeks <br />8.62974e-4 months <br />) | |
| Opened: | Vincent Leeth 02:33 Apr 4, 2017 |
| NRC Officer: | Jeff Herrera |
| Last Updated: | Apr 4, 2017 |
| 52662 - NRC Website
| |