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At 2242 (EST) on 11/15/09, the reactor wasAt 2242 (EST) on 11/15/09, the reactor was manually scrammed from 100% power due to a large oil leak on the main generator seal oil system. Condenser vacuum was broken immediately following the reactor trip, and the main turbine stopped rotating at 2324 (EST). Following the reactor trip, the 'B' steam generator Main Steam Isolation Valve (MSIV) failed to fully close on demand, but was closed due to field actions at 2303 (EST). The reactor remained stable at NOP/NOT following the reactor trip. Offsite power remained available throughout the event.</br>This condition is being reported as actuation of the reactor protection system in accordance with 10CFR 50.72(b)(2)(iv)(B).</br>All control rods fully inserted and decay heat is being removed through the S/G relief valves to the atmospheric dumps. No known primary to secondary leakage exists. The plant remains stable in Mode 3. </br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
03:42:00, 16 November 2009  +
45,499  +
02:24:00, 16 November 2009  +
03:42:00, 16 November 2009  +
At 2242 (EST) on 11/15/09, the reactor wasAt 2242 (EST) on 11/15/09, the reactor was manually scrammed from 100% power due to a large oil leak on the main generator seal oil system. Condenser vacuum was broken immediately following the reactor trip, and the main turbine stopped rotating at 2324 (EST). Following the reactor trip, the 'B' steam generator Main Steam Isolation Valve (MSIV) failed to fully close on demand, but was closed due to field actions at 2303 (EST). The reactor remained stable at NOP/NOT following the reactor trip. Offsite power remained available throughout the event.</br>This condition is being reported as actuation of the reactor protection system in accordance with 10CFR 50.72(b)(2)(iv)(B).</br>All control rods fully inserted and decay heat is being removed through the S/G relief valves to the atmospheric dumps. No known primary to secondary leakage exists. The plant remains stable in Mode 3. </br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
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00:00:00, 16 November 2009  +
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02:10:51, 2 March 2018  +
02:24:00, 16 November 2009  +
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-0.0542 d (-1.3 hours, -0.00774 weeks, -0.00178 months)  +
03:42:00, 16 November 2009  +
Manual Reactor Trip Due to Main Generator Oil Leak  +
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