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The NRC identified a NCV of 10 Code of Fed … The NRC identified a NCV of 10 Code of Federal Regulations (CFR) Part 50, Appendix B, Criterion XVI, Corrective Action, for the licensees failure to promptly identify a condition adverse to quality. Specifically, the licensee unacceptably preconditioned the 1A-A charging pump discharge check valve 1-CKV-62-525 and failed to identify this as a condition adverse to quality or take appropriate corrective action. The inspectors determined that the performance deficiency was more than minor because, if left uncorrected, it had the potential to lead to a more significant safety concern. Specifically, unacceptable preconditioning could mask the actual as-found conditions and result in the loss of degradation trending information of component performance. The inspectors determined the finding to be of very low safety significance (Green) because the finding did not result in the loss of operability of 1-CKV-62-525. This finding had a cross-cutting aspect in the area of Human Performance, work management, because the licensee failed to implement a process of planning, controlling, and executing work activities such that nuclear safety is the overriding priority. Specifically, the licensees work management process was not able to prevent the unacceptable preconditioning of the 1A-A discharge check valve even after it was identified as a possibility prior to the planned maintenance.sibility prior to the planned maintenance. +

Discovered date

23:59:59, 31 December 2015 +

Docket

05000390 +

Event date

23:59:59, 31 December 2015 +

Finding integer

6 +

Finding type

Non-cited violation +

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WP.1 +

IP 71152, Problem Identification and Resolution (PI&R) +

Inspection report

IR 05000390/2015004 +

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00:53:51, 21 February 2018 +