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10 CFR Part 50, Appendix B, Criterion XVI, … 10 CFR Part 50, Appendix B, Criterion XVI, Corrective Action, requires, in part, that measures shall be established to assure that conditions adverse to quality, such as defective material and equipment, are promptly identified and corrected. Contrary to the above, PBAPS did not promptly correct defective welds in the E-3 EDG lube oil piping that were identified in 1998. Specifically, PBAPS identified partial penetration welds in Fairbanks Morse EDG lube oil pump outlet piping in response to a 1997 Part 21 notification. PBAPS corrected the defective welds on the E-2 and E-4 piping in 1998, but did not correct the defective welds on the E-3 or E-1 based on vendor testing and data provided in the Final Part 21 Notification. On September 3, 2012, PBAPS identified a leak on the E-3 lube oil pump outlet piping during surveillance testing. PBAPS subsequently declared E-3 inoperable and unavailable from September 3 to September 5, while corrective actions were performed to cut out the defective piping welds and re-weld the piping with full penetration welds. PBAPS determined the leak was a result of fatigue failure of the partial penetration weld. In 1998, PBAPS accepted the Final Part 21 Notification with no corrective action required on E-3 or E-1 based on the vendor testing and data, which did not include a vibration or fatigue analysis despite industry OE that specifically discussed vibration-induced fatigue failures of the EDG lube oil pump outlet piping at other stations with Fairbanks Morse EDGs. The inspectors reviewed PBAPSs planned corrective actions to address the E-1 partial penetration weld, and considered the scheduled repairs appropriate to the circumstances. The inspectors determined that this violation screened to Green using the Table 4a screening criteria in Appendix A of IMC 0609, SDP for Findings at Power, because there was no loss of the EDG system safety function. Because this finding is of very low safety significance, and has been entered into Exelon\\\'s CAP under IR 1408390, this violation is being treated as a Green NCV consistent with the NRCs Enforcement Policy.nsistent with the NRCs Enforcement Policy.
23:59:59, 30 September 2012 +
23:59:59, 30 September 2012 +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
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Paul Krohn +, H Gray +, Joseph Furia +, S Hansell +, S Ibarrola +, Andrew Rosebrook + and Adam Ziedonis +
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>.
15:45:26, 30 May 2018 +
Paul Krohn +, H Gray +, Joseph Furia +, S Hansell +, S Ibarrola +, Andrew Rosebrook + and Adam Ziedonis +
23:59:59, 30 September 2012 +