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On 03/01/2008 a pre-planned unit shutdown … On 03/01/2008 a pre-planned unit shutdown was in progress to repair a reactor coolant pump seal. At approximately 20% reactor power, a main feedwater flow perturbation occurred. This flow perturbation resulted in an Emergency Feedwater actuation at 0427 (EST). Both Emergency Feedwater system trains started automatically on low levels in the Once Through Steam Generators as designed. Main feedwater system recovered and continued to supply inventory with levels stabilized at the required low level setpoint. Following plant stabilization, Emergency Feedwater was secured and the pre-planned unit shutdown was resumed. This event is reportable under the requirements of 10 CFR 50.72 (b)(3)(iv)(A).</br>The cause of the feedwater flow perturbation is still under investigation. The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
09:27:00, 1 March 2008 +
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09:52:00, 1 March 2008 +
09:27:00, 1 March 2008 +
On 03/01/2008 a pre-planned unit shutdown … On 03/01/2008 a pre-planned unit shutdown was in progress to repair a reactor coolant pump seal. At approximately 20% reactor power, a main feedwater flow perturbation occurred. This flow perturbation resulted in an Emergency Feedwater actuation at 0427 (EST). Both Emergency Feedwater system trains started automatically on low levels in the Once Through Steam Generators as designed. Main feedwater system recovered and continued to supply inventory with levels stabilized at the required low level setpoint. Following plant stabilization, Emergency Feedwater was secured and the pre-planned unit shutdown was resumed. This event is reportable under the requirements of 10 CFR 50.72 (b)(3)(iv)(A).</br>The cause of the feedwater flow perturbation is still under investigation. The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
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Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
22:35:09, 24 September 2017 +
09:52:00, 1 March 2008 +
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0.0175 d (0.42 hours, 0.0025 weeks, 5.75316e-4 months) +
09:27:00, 1 March 2008 +
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