05000445/FIN-2008005-05
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Finding | |
|---|---|
| Title | Failure to Initiate Corrective Actions for the Malfunction of a Reactor Trip Bypass Breaker |
| Description | The inspectors identified a noncited violation of 10 CFR Part 50, Appendix B, Criterion V, for the failure to follow procedures to enter a malfunction of a reactor trip bypass breaker into the corrective action program. The breaker tripped slower than permitted during response time testing and was inoperable. Because the condition was not entered into the corrective action program, the licensee did not evaluate the condition or assess the extent of condition. The licensee entered the finding into their corrective action program as Smart Forms SMF-2008-003735 and SMF-2008-003767. The finding was more than minor because, if left uncorrected, it would have led to a more safety significant concern. Specifically, because the cause of the failure would not have been fully evaluated and appropriate corrective actions may not be initiated. Once entered into the corrective action program, the licensee identified additional corrective measures. Using NRC Inspection Manual Chapter 0609, Attachment 4, Phase 1 - Initial Characterization and Screening of Findings, the finding had very low safety significance because the condition did not result the inoperability of the reactor trip breaker when it was required to be operable. The cause of this finding was related to the Problem Identification and Resolution crosscutting component of the corrective action program, in that, the licensee failed to enter the issue into their corrective action progra |
| Site: | Comanche Peak  |
|---|---|
| Report | IR 05000445/2008005 Section 1R19 |
| Date counted | Dec 31, 2008 (2008Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.19 |
| Inspectors (proximate) | L Ricketson J Dixon K Clayton B Tharakan L Carson G Replogle B Tindell M Bloodgood D Reinert G Tutak J Kramer N Okonkwo N Hernandez |
| CCA | P.1, Identification |
| INPO aspect | PI.1 |
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Finding - Comanche Peak - IR 05000445/2008005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Comanche Peak) @ 2008Q4
Self-Identified List (Comanche Peak)
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