ENS 43221
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ENS Event | |
|---|---|
01:50 Mar 8, 2007 | |
| Title | Hpci Declared Inoperable Following Surveillance Testing |
| Event Description | While Performing HPCI ATTS Panel, 1H11-P927, Functional Test & Calibration Surveillance (57SV-SUV-013-1S) For Ambient Torus Temperature High, The HPCI System Isolated. The Functional Test & Calibration Was Complete. The Isolation Was Reset. Following Return Of The Test Switch To Normal, HPCI Isolation Trip Logic 'A' Initiated & Closed 1E41-F002. HPCI Isolation Valve F002/F003 Alarm Annunciated When The Isolation Valve Started Closing & The HPCI Turbine Trip Solenoid Energized. I&C Investigating Time Delay Relay For Possible Cause.
HPCI has been declared inoperable placing Unit 1 in TS LCO A/S 3.5.1.c - 14 days to restore. The licensee informed the NRC Resident Inspector. |
| Where | |
|---|---|
Hatch  Georgia (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+-0.72 h-0.03 days <br />-0.00429 weeks <br />-9.86256e-4 months <br />) | |
| Opened: | Scott Britt 01:07 Mar 8, 2007 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Mar 8, 2007 |
| 43221 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Hatch with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
WEEKMONTHYEARENS 568962023-12-18T07:23:00018 December 2023 07:23:00
[Table view]10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Inoperable ENS 554482021-09-08T05:59:0008 September 2021 05:59:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Unit 1 High Pressure Coolant Injection (HPCI) System Inoperable ENS 546772020-04-22T14:15:00022 April 2020 14:15:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System (Hpci) Inoperable ENS 542372019-08-23T02:34:00023 August 2019 02:34:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection (Hpci) System Inoperable ENS 539442019-03-19T05:40:00019 March 2019 05:40:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Inoperable ENS 525432017-02-08T16:51:0008 February 2017 16:51:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Inoperable Due to Degraded Dc to Ac Inverter ENS 500802014-05-02T00:45:0002 May 2014 00:45:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Loss of Hpci Operability Due to Water Accumulation in the Hpci Turbine ENS 488272013-03-18T13:10:00018 March 2013 13:10:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection Inoperable Following Refueling Outage ENS 455412009-12-05T15:59:0005 December 2009 15:59:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Out of Service Due to the Loss of the Suction Auto-Swap Function ENS 448492009-02-12T17:30:00012 February 2009 17:30:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection Suction Source Instrument Malfunction ENS 438842008-01-06T16:00:0006 January 2008 16:00:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Declared Inoperable Due to Failed Surveillance Test ENS 433742007-05-18T21:45:00018 May 2007 21:45:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Inoperable Hpci Pump ENS 432422007-03-15T19:32:00015 March 2007 19:32:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Declared Inoperable During Startup Testing ENS 432212007-03-08T01:50:0008 March 2007 01:50:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Declared Inoperable Following Surveillance Testing ENS 431532007-02-08T09:32:0008 February 2007 09:32:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection (Hpci) System Inoperable ENS 431522007-02-07T21:40:0007 February 2007 21:40:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolent Injection (Hpci) Declared Inoperable ENS 429142006-10-17T15:21:00017 October 2006 15:21:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Accident Mitigation - Hpci System Inoperable ENS 426572006-06-21T04:15:00021 June 2006 04:15:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection (Hpci) Declared Inoperable Due Excessvie Aux Oil Pump Motor Current ENS 425782006-05-16T13:38:00016 May 2006 13:38:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Inoperable Due to Hpci Discharge Check Valve Body Leak ENS 422622006-01-16T23:31:00016 January 2006 23:31:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci System Isolated Due to Atts Card Failure ENS 408242004-06-17T09:21:00017 June 2004 09:21:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection (Hpci) Declared Inoperable 2023-12-18T07:23:00 | |
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