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The inspectors identified a Green noncitedThe inspectors identified a Green noncited violation of 10 CFR Part 50, Appendix B, Criterion III, for the failure of the licensee to follow the design basis and seal electrical penetration conduits in the containment spray pump rooms. As a result, the water from a pipe break in the valve isolation tank rooms would flow into the conduits in the containment spray pump room and could cause a train of residual heat removal, safety injection, and containment spray equipment to become inoperable. The licensee entered the finding into their corrective action program as Smart Form SMF-2009-000926-00. The finding was more than minor because it was associated with the design control attribute of the Mitigating Systems cornerstone and adversely affected the cornerstone objective to ensure the capability of systems that respond to events. Using NRC Manual Chapter 0609, the inspectors determined that a Phase 3 analysis was required. Based on the senior reactor analysts significance determination process Phase 3 analysis, this finding was determined to have very low safety significance. The finding did not have a crosscutting aspect because it was not representative of current licensee performancresentative of current licensee performanc  +
23:59:59, 30 September 2009  +
05000445  +  and 05000446  +
23:59:59, 30 September 2009  +
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00:42:33, 29 October 2017  +
23:59:59, 30 September 2009  +
Failure to Seal Electrical Penetrations  +