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The team determined that previous efforts The team determined that previous efforts were not sufficient to detect corrosion problems before they developed into leaks and that water hammer events made leaks more likely. The team determined that the licensees failure to examine the condition of vendor-supplied piping associated with the containment coolers as well as other areas of ESW piping warranted additional NRC review and follow-up. Additional review by the NRC will be needed to determine whether the licensees limited scope of piping inspection represents a performance deficiency. This issue will be identified as URI 05000482/2012008-07, Review ESW Piping Corrosion Inspections., Review ESW Piping Corrosion Inspections.  +
23:59:59, 31 March 2012  +
05000482  +
23:59:59, 31 March 2012  +
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04:19:19, 22 February 2018  +
23:59:59, 31 March 2012  +
Review ESW Piping Corrosion Inspections  +