ENS 50086: Difference between revisions
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StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
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| event date = 05/05/2014 14:56 EDT | | event date = 05/05/2014 14:56 EDT | ||
| last update date = 05/05/2014 | | last update date = 05/05/2014 | ||
| title = Manual Reactor Scram | | title = Manual Reactor Scram with Rod Motion While Shutdown | ||
| event text = During planned testing of the Control Rod Drive (CRD) system, the reactor trip breakers were opened via the manual reactor trip push buttons to de-energize a CRD motor in response to a high temperature. The partially withdrawn control rods fully inserted and all other rods remained in their initial positions. | | event text = During planned testing of the Control Rod Drive (CRD) system, the reactor trip breakers were opened via the manual reactor trip push buttons to de-energize a CRD motor in response to a high temperature. The partially withdrawn control rods fully inserted and all other rods remained in their initial positions. | ||
This manual Reactor Protection System (RPS) actuation while the reactor was not critical is reportable in accordance with 10 CFR 50.72(b)(3)(iv)(A). | This manual Reactor Protection System (RPS) actuation while the reactor was not critical is reportable in accordance with 10 CFR 50.72(b)(3)(iv)(A). | ||
Latest revision as of 20:50, 1 March 2018
| Where | |
|---|---|
Davis Besse  Ohio (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
| LER: | 05000346/LER-2014-002 Regarding Manual Initiation of the Reactor Protection System Due to Disconnected Cooling of a Control Rod Drive |
| Time - Person (Reporting Time:+2.35 h0.0979 days <br />0.014 weeks <br />0.00322 months <br />) | |
| Opened: | Nick Buehler 21:17 May 5, 2014 |
| NRC Officer: | Donald Norwood |
| Last Updated: | May 5, 2014 |
| 50086 - NRC Website
| |