05000282/FIN-2013005-03
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Finding | |
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Title | Failure to Promptly Correct Condition Adverse to Quality on D1 EDG |
Description | A self-revealing finding of very low safety significance (Green) and an NCV of 10 CFR Part 50, Appendix B, Criterion XVI, Corrective Actions, was identified on October 15, 2013, due to the failure to correct a condition adverse to quality. Specifically, the licensee failed to correct a D1 emergency diesel generator (EDG) lube oil cooler leak prior to the EDG being rendered inoperable. Corrective actions for this issue included reviewing the engineering departments equipment monitoring program, ensuring the lube oil cooler end bell was adequately torqued and repairing the lube oil cooler. The inspectors determined that this issue was more than minor because it was associated with the equipment performance attribute of the Mitigating Systems cornerstone and impacted the cornerstone objective of ensuring the availability, reliability and capability of systems that respond to initiating events to prevent undesirable consequences. The failure to correct the lube oil cooler leak resulted in the licensee accruing unplanned unavailability on the D1 EDG during this emergent repair. The inspectors determined that this issue was of very low safety significance because each of the questions provided in IMC 0609, Attachment 0609.04, Appendix A, Exhibit 2, were answered no. The inspectors concluded that this issue was cross-cutting in the Problem Identification and Resolution, Corrective Action Program (CAP) area because the licensee failed to thoroughly evaluate the condition of the leaking lube oil cooler to ensure that repairs were properly prioritized. |
Site: | Prairie Island |
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Report | IR 05000282/2013005 Section 1R22 |
Date counted | Dec 31, 2013 (2013Q4) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | Self-revealing |
Inspection Procedure: | IP 71111.22 |
Inspectors (proximate) | P Laflamme P Voss A Shaikh C Tilton D Oliver J Bozga J Laughlin K Riemer K Stoedter M Jones M Phalen |
Violation of: | 10 CFR 50 Appendix B Criterion XVI |
CCA | P.2, Evaluation |
INPO aspect | PI.2 |
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Finding - Prairie Island - IR 05000282/2013005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Prairie Island) @ 2013Q4
Self-Identified List (Prairie Island)
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