ENS 43115: Difference between revisions
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| event date = 01/23/2007 12:44 EST | | event date = 01/23/2007 12:44 EST | ||
| last update date = 01/23/2007 | | last update date = 01/23/2007 | ||
| title = Reactor Trip Due | | title = Reactor Trip Due to Feedwater Regulating Valve Failure | ||
| event text = An automatic reactor scram occurred resulting from loop #2 steam generator low level. The main feedwater regulating valve 2-FCV-3-48 failed closed when the air supply line to the valve severed. A significant leak had been identified and efforts to repair had been initiated. All systems responded as designed. The plant is stable on Auxiliary Feed Water (AFW) and steam generator cooling [to the condenser via steam dump valve] while repairs to the failed air line are planned. | | event text = An automatic reactor scram occurred resulting from loop #2 steam generator low level. The main feedwater regulating valve 2-FCV-3-48 failed closed when the air supply line to the valve severed. A significant leak had been identified and efforts to repair had been initiated. All systems responded as designed. The plant is stable on Auxiliary Feed Water (AFW) and steam generator cooling [to the condenser via steam dump valve] while repairs to the failed air line are planned. | ||
All control rods fully inserted into the core. No steam generator or pressurizer relief valves lifted during the transient. The licensee notified the NRC Resident Inspector. | All control rods fully inserted into the core. No steam generator or pressurizer relief valves lifted during the transient. The licensee notified the NRC Resident Inspector. |
Latest revision as of 22:17, 1 March 2018
Where | |
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Sequoyah ![]() Tennessee (NRC Region 2) | |
Reporting | |
10 CFR 50.72(b)(2)(iv)(B), RPS Actuation 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
Time - Person (Reporting Time:+-3 h-0.125 days <br />-0.0179 weeks <br />-0.00411 months <br />) | |
Opened: | Larry Pruett 14:44 Jan 23, 2007 |
NRC Officer: | Bill Gott |
Last Updated: | Jan 23, 2007 |
43115 - NRC Website
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