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Title 10 CFR Part 50, Appendix B, CriterioTitle 10 CFR Part 50, Appendix B, Criterion XI, Test Control states, in part, that a test program shall be established to assure that all testing required to demonstrate that systems, structures, and components will perform satisfactorily in service. Contrary to the above, prior to June 13, 2012, the licensee did not establish a test program that demonstrated that the control building air accumulations contained sufficient back up air to maintain the safety-related control building fresh air system dampers operable for its 24 hours post design basis accident mission time without operator action. The finding is considered to be of very low safety significance (Green), because it was not a design or qualification deficiency; did not represent either a loss of system safety function, an actual loss of safety function of a single train, or an actual loss of safety function; and did not screen as potentially risk significant due to a seismic, flooding, or severe weather initiating event. The issue has been entered into the licensees corrective action program as Condition Report CR-RBS-2012-04674.ram as Condition Report CR-RBS-2012-04674.  +
23:59:59, 31 December 2012  +
05000458  +
23:59:59, 31 December 2012  +
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2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +
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15:46:09, 30 May 2018  +
23:59:59, 31 December 2012  +
Licensee-Identified Violation  +