05000298/FIN-2012003-01
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Finding | |
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Title | Failure to Perform Adequate Postmaintenance Testing |
Description | The inspectors documented a self-revealing, non-cited violation of 10 CFR Part 50, Appendix B, Criterion V, Instructions, Procedures, and Drawings, associated with the failure to develop and specify adequate postmaintenance testing requirements in work instructions used to perform maintenance on Diesel Generator 1. Specifically, in October 2011, Work Order 4766672 did not specify adequate postmaintenance testing instructions to verify that the left bank air distributor was properly re-installed following a change in work scope. This issue was entered into the licensee\'s corrective action program as Condition Reports CR-CNS-2012-02532 and CR-CNS-2012-02566. The licensees failure to establish adequate work instructions, to include post maintenance testing requirements to verify equipment operability following maintenance, was a performance deficiency. The performance deficiency was more than minor because it affected the procedure quality attribute of the Mitigating Systems Cornerstone, and directly affected the cornerstone objective to ensure availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Using Inspection Manual Chapter 0609, Attachment 4, Phase 1 - Initial Screening and Characterization of Findings, the finding screened as potentially risk significant since the finding represented an actual loss of safety function of a single train for greater than its Technical Specification allowed outage time. When evaluated per Inspection Manual Chapter 0609, Appendix A, Determining the Significance of Reactor Inspection Findings for At-Power Situations, and the Cooper Phase 2 pre-solved table item, EDG1, the inspectors determined this finding to be of very low safety significance (Green). This finding had a cross-cutting aspect in the area of human performance associated with the resources component, because the licensee failed to provide complete, accurate and up-to-date work packages that specified the appropriate postmaintenance testing requirements following work scope change. |
Site: | Cooper |
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Report | IR 05000298/2012003 Section 1R12 |
Date counted | Jun 30, 2012 (2012Q2) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | Self-revealing |
Inspection Procedure: | IP 71111.12 |
Inspectors (proximate) | G Pick G George L Carson J Josey V Gaddy C Alldredge B Hagar C Henderson |
CCA | H.7, Documentation |
INPO aspect | WP.3 |
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Finding - Cooper - IR 05000298/2012003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Cooper) @ 2012Q2
Self-Identified List (Cooper)
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