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At 23:45 on 9/13/08, one control element a … At 23:45 on 9/13/08, one control element assembly (CEA) dropped to the bottom of the core from the upper electrical limit. Technical Specification LCO 3.1.3.1 Action e. was entered. The CEA was not able to be realigned with the other CEA's in its group within the time constraints of the COLR. Technical Specification LCO 3.1.3.1 Action f. was entered and a down power to 70% was initiated. Actions to repair and retrieve the CEA could not be completed within the time constraint of LCO 3.1.3.1 Action f. and a shutdown was commenced to comply with Technical Specifications at 0241 on 9/14/08. The CEA was recovered and restored to OPERABLE at 0258 on 9/14/08 and the shutdown was halted. The plant is currently being returned to full power operation. This four hour non-emergency report is being made pursuant to 10 CFR 50.72(b)(2)(i), 'The initiation of any nuclear plant shutdown required by Technical Specifications.'</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
06:41:00, 14 September 2008 +
06:07:00, 14 September 2008 +
06:41:00, 14 September 2008 +
At 23:45 on 9/13/08, one control element a … At 23:45 on 9/13/08, one control element assembly (CEA) dropped to the bottom of the core from the upper electrical limit. Technical Specification LCO 3.1.3.1 Action e. was entered. The CEA was not able to be realigned with the other CEA's in its group within the time constraints of the COLR. Technical Specification LCO 3.1.3.1 Action f. was entered and a down power to 70% was initiated. Actions to repair and retrieve the CEA could not be completed within the time constraint of LCO 3.1.3.1 Action f. and a shutdown was commenced to comply with Technical Specifications at 0241 on 9/14/08. The CEA was recovered and restored to OPERABLE at 0258 on 9/14/08 and the shutdown was halted. The plant is currently being returned to full power operation. This four hour non-emergency report is being made pursuant to 10 CFR 50.72(b)(2)(i), 'The initiation of any nuclear plant shutdown required by Technical Specifications.'</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
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70 +
00:00:00, 14 September 2008 +
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>.
02:13:39, 2 March 2018 +
06:07:00, 14 September 2008 +
true +
false +
-0.0238 d (-0.57 hours, -0.00339 weeks, -7.80786e-4 months) +
06:41:00, 14 September 2008 +
Dropped Control Element Resulting in Entry Into Technical Specification Required Shutdown Lco +
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