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The following information was provided by The following information was provided by the licensee via telephone and email:</br>On 2/18/2022, McGuire Nuclear Station Unit 2 experienced a turbine runback to 55 percent power. Based on concerns with unit stability, the reactor was manually tripped at 0459 (EST). All Auxiliary Feedwater pumps started on low steam generator level as required. The reactor trip was uncomplicated with all systems responding normally post trip. A feedwater isolation occurred as designed. Unit 1 was not affected.</br>Due to the Reactor Protection System actuation while critical, actuation of the Turbine Driven Auxiliary Feedwater Pump and Motor Driven Auxiliary Feedwater pumps along with the Feedwater Isolation, this event is being reported as a four hour,</br>nonemergency notification per 10 CFR 50.72(b)(2)(iv)(B) and an 8 hour nonemergency notification per 10 CFR 50.72(b)(3)(iv)(A).</br>There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified</br>The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:</br>All control rods fully inserted. Decay heat is being removed via the condenser and normal feedwater. Unit 2 is in a normal shutdown electrical lineup.is in a normal shutdown electrical lineup.  +
09:59:00, 18 February 2022  +
55,748  +
08:35:00, 18 February 2022  +
09:59:00, 18 February 2022  +
The following information was provided by The following information was provided by the licensee via telephone and email:</br>On 2/18/2022, McGuire Nuclear Station Unit 2 experienced a turbine runback to 55 percent power. Based on concerns with unit stability, the reactor was manually tripped at 0459 (EST). All Auxiliary Feedwater pumps started on low steam generator level as required. The reactor trip was uncomplicated with all systems responding normally post trip. A feedwater isolation occurred as designed. Unit 1 was not affected.</br>Due to the Reactor Protection System actuation while critical, actuation of the Turbine Driven Auxiliary Feedwater Pump and Motor Driven Auxiliary Feedwater pumps along with the Feedwater Isolation, this event is being reported as a four hour,</br>nonemergency notification per 10 CFR 50.72(b)(2)(iv)(B) and an 8 hour nonemergency notification per 10 CFR 50.72(b)(3)(iv)(A).</br>There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified</br>The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:</br>All control rods fully inserted. Decay heat is being removed via the condenser and normal feedwater. Unit 2 is in a normal shutdown electrical lineup.is in a normal shutdown electrical lineup.  +
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9.259259e-5 d (0.00222 hours, 1.322751e-5 weeks, 3.044e-6 months)  +
00:00:00, 18 February 2022  +
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>.
20:02:46, 4 January 2024  +
08:35:00, 18 February 2022  +
true  +
-0.0583 d (-1.4 hours, -0.00833 weeks, -0.00192 months)  +
09:59:00, 18 February 2022  +
Manual Reactor Trip and System Actuation  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
2  +