05000298/FIN-2009005-10
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Finding | |
|---|---|
| Title | Failure to Correct Diesel Generator 2 Oil Leakage |
| Description | A self-revealing noncited violation of 10 CFR 50 Appendix B, Criterion XVI, Corrective Action, occurred for the licensees failure to assure that a condition adverse to quality was corrected. Specifically, the licensee identified oil leakage on Diesel Generator 2 mechanical overspeed governor drive flange as a condition adverse to quality on June 23, 2009, and failed to correct the condition of oil leakage as demonstrated by a September 9, 2009, failure of the Diesel Generator 2 due to loose fasteners at this location. The licensee entered this issue in their corrective action program as CR-CNS-2009-06716. The finding is more than minor because it is associated with the equipment performance attribute of the mitigating systems cornerstone, and affected the cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to initiating events. Using the screening worksheet in Manual Chapter 0609, Attachment 4, Phase 1 Initial Screening and Characterization of Findings, the inspectors determined that the finding has very low safety significance because it was not a design or qualification deficiency and did not result in the loss of any system safety function. This finding has a crosscutting aspect in the corrective action program component of the Problem Identification and Resolution area because the licensees periodic trends and assessments did not identify programmatic and common cause problems, in that the licensees periodic trends and assessments did not recognize the significance of precursor events related to fasteners loosening and prompt action to prevent further problems on the emergency diesel generators P.1(b) |
| Site: | Cooper  |
|---|---|
| Report | IR 05000298/2009005 Section 4OA2 |
| Date counted | Dec 31, 2009 (2009Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71152 |
| Inspectors (proximate) | N Taylor P Elkmann D Stearns V Gaddy M Chambers E Uribe M Bloodgood D Reinert N Okonkwo M Vasquez |
| CCA | P.4, Trending |
| INPO aspect | PI.4 |
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Finding - Cooper - IR 05000298/2009005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Cooper) @ 2009Q4
Self-Identified List (Cooper)
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