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A self-revealing non-cited violation (NCV) … A self-revealing non-cited violation (NCV) of Technical Specification (TS) 5.4.1.a, Procedures, was identified for the licensees failure to implement system operating procedure SOP 13502-2, Control Rod Drive and Position Indication System, version 42, when resetting the control rod drive system bank overlap unit (BOU). This caused an out-of-sequence control rod insertion that resulted in operators manually tripping the reactor. The licensee correctly reset the BOU prior to restarting the unit and enhanced the procedural guidance for resetting the BOU. The violation was entered into the licensees corrective action program (CAP) as condition report (CR) 879125. The performance deficiency (PD) was more than minor because it was associated with the Configuration Control and Equipment Performance attributes of the Mitigating Systems cornerstone and adversely affected the cornerstone objective in that improper rod control system equipment lineup affected the licensees ability to control reactivity. The finding screened as Green because the finding did not affect reactor protection system trip capability or result in an unintentional positive reactivity addition. The inspectors determined the finding had a cross-cutting aspect of training in the human performance area because the organization had not provided sufficient practical or hands-on training on resetting the BOU.or hands-on training on resetting the BOU. +
23:59:59, 31 December 2014 +
23:59:59, 31 December 2014 +
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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>.
12:58:55, 25 September 2017 +
23:59:59, 31 December 2014 +
Failure to Correctly Implement Control Rod Drive System Procedure During Reactor Startup Activities +