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Dropped rod E-11 in Shut Down Bank 'B' at … Dropped rod E-11 in Shut Down Bank 'B' at 2334 on 11/28/04 while performing Low Power Physics Testing after refueling. Shutdown bank not fully withdrawn with dropped rod placed Unit 3 in Tech Spec Action Statement 3.0.3. RX trip breakers were opened at 0009 (11/29/04). Unit 3 entered 3-EOP-E.O, Reactor Trip or Safety Injection, the unit was placed in Mode 3 and transitioned to 3-EOP-ES-0.1, Reactor Trip Response and then into 3-GOP-301. All plant equipment responded as required and the unit remains stable in mode 3 while the Rod Control failure is investigated.</br>The licensee notified the NRC resident inspector.</br>* * * UPDATE AT 1838 EST ON 1/11/05 FROM MICHAEL KOHL TO S. SANDIN * * * </br>The purpose of this update is to clarify that the reactor was not critical at the time of reactor trip. The dropped rod added sufficient negative reactivity to render the reactor subcritical prior to the manual reactor trip.</br>The cause of the dropped rod was an intermittent contact in a pin connector associated with rod E-11.</br>The licensee will inform the NRC Resident Inspector. Notified R2DO (Landis).sident Inspector. Notified R2DO (Landis). +
05:09:00, 29 November 2004 +
41,229 +
01:36:00, 29 November 2004 +
05:09:00, 29 November 2004 +
Dropped rod E-11 in Shut Down Bank 'B' at … Dropped rod E-11 in Shut Down Bank 'B' at 2334 on 11/28/04 while performing Low Power Physics Testing after refueling. Shutdown bank not fully withdrawn with dropped rod placed Unit 3 in Tech Spec Action Statement 3.0.3. RX trip breakers were opened at 0009 (11/29/04). Unit 3 entered 3-EOP-E.O, Reactor Trip or Safety Injection, the unit was placed in Mode 3 and transitioned to 3-EOP-ES-0.1, Reactor Trip Response and then into 3-GOP-301. All plant equipment responded as required and the unit remains stable in mode 3 while the Rod Control failure is investigated.</br>The licensee notified the NRC resident inspector.</br>* * * UPDATE AT 1838 EST ON 1/11/05 FROM MICHAEL KOHL TO S. SANDIN * * * </br>The purpose of this update is to clarify that the reactor was not critical at the time of reactor trip. The dropped rod added sufficient negative reactivity to render the reactor subcritical prior to the manual reactor trip.</br>The cause of the dropped rod was an intermittent contact in a pin connector associated with rod E-11.</br>The licensee will inform the NRC Resident Inspector. Notified R2DO (Landis).sident Inspector. Notified R2DO (Landis). +
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00:00:00, 11 January 2005 +
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>.
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