ENS Event | |
|---|---|
14:39 Apr 9, 2005 | |
| Title | Invalid Specified System Actuation |
| Event Description | This report is being made under 10CFR50.73(a)(2)(iv)(A) - Invalid Safety System Actuation.
At 10:39:06 on April 9, 2005, the steam supply valve to Unit 2 turbine-driven auxiliary feedwater pump, 25A-48ABC, was manually failed open during a maintenance activity causing the pump to start. There was no valid actuation signal. The train of auxiliary feedwater started and functioned successfully. The actuation was complete and lasted for 1 minute and 25 seconds. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
McGuire  North Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.73(a)(1), Submit an LER, Invalid Actuation | |
| Time - Person (Reporting Time:+385.3 h16.054 days <br />2.293 weeks <br />0.528 months <br />) | |
| Opened: | Phil Thompson 15:57 Apr 25, 2005 |
| NRC Officer: | Mike Ripley |
| Last Updated: | Apr 25, 2005 |
| 41635 - NRC Website
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WEEKMONTHYEARENS 563452023-01-01T11:04:0001 January 2023 11:04:00
[Table view]10 CFR 50.73(a)(1), Submit an LER 60-DAY Optional Telephonic Notification of Invalid Actuation of Auxiliary Feedwater Pump ENS 507202014-11-16T04:55:00016 November 2014 04:55:00 10 CFR 50.73(a)(1), Submit an LER Invalid Actuation of 1A Emergency Diesel Generator (Edg) ENS 485502012-12-02T16:42:0002 December 2012 16:42:00 10 CFR 50.73(a)(1), Submit an LER 60-Day Report - Invalid Auxiliary Feedwater and Nuclear Service Water Pump Actuation ENS 484432012-09-30T03:37:00030 September 2012 03:37:00 10 CFR 50.73(a)(1), Submit an LER Inadvertent Alignment of Nuclear Service Water to Standby Nuclear Service Water Pond ENS 459132010-04-16T09:21:00016 April 2010 09:21:00 10 CFR 50.73(a)(1), Submit an LER Inadvertent Steam Admission to Afw Turbine ENS 450062009-02-23T08:06:00023 February 2009 08:06:00 10 CFR 50.73(a)(1), Submit an LER Inadvertent Actuation of Turbine Auxiliary Feedwater Pump ENS 416352005-04-09T14:39:0009 April 2005 14:39:00 10 CFR 50.73(a)(1), Submit an LER Invalid Specified System Actuation ENS 411512004-10-20T00:20:00020 October 2004 00:20:00 10 CFR 50.73(a)(1), Submit an LER Invalid Turbine Driven Auxiliary Feedwater Actuation 2023-01-01T11:04:00 | |