05000263/FIN-2008004-01
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Finding | |
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Title | Inadequate Corrective Actions Following Repetitive Failure of LPCI Recirculation Riser Differential Pressure Instrument |
Description | A finding of very low safety significance and associated NCV of 10 CFR 50, Appendix B, Criterion XVI, Corrective Action, was self-revealed for failing to appropriately correct a known condition adverse-to-quality associated with a low pressure coolant injection (LPCI) recirculation riser differential pressure instrument. Due to the lack of appropriate corrective action to replace the D channel instrument microswitch prior to an anticipated failure, the instrument was found inoperable during a quarterly Technical Specification (TS) surveillance test. The licensee took immediate corrective actions and entered the issue into their corrective action program. The inspectors determined that the performance deficiency affected the cross-cutting area of Problem Identification and Resolution, having corrective action program components, and involving aspects associated with taking appropriate corrective actions to address safety issues. P.1(d) The inspectors determined that the finding was more than minor because it involved the equipment performance attribute of the Mitigating Systems Cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. The inspectors applied IMC 0609, Attachment 4, \\\"Phase 1 Initial Screening and Characterization of Findings\\\" to this finding. Under Column 2 of the Table 4a worksheet, the inspectors answered: \\\"No\\\" to Question 1 related to design or qualification deficiencies; No to Questions 2, 3 and 4 related to loss of train or system safety functions; and No to Question 5 related to seismic, flooding and severe weather. Therefore, the finding was considered to be of very low safety significance. (Section 1R13) |
Site: | Monticello ![]() |
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Report | IR 05000263/2008004 Section 1R13 |
Date counted | Sep 30, 2008 (2008Q3) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | Self-revealing |
Inspection Procedure: | IP 71111.13 |
Inspectors (proximate) | N Shah R Winter R Orlikowski S Thomas L Haeg S Burton J Mcghee P Zurawski T Go J Tapp C Zoia |
CCA | P.3, Resolution |
INPO aspect | PI.3 |
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Finding - Monticello - IR 05000263/2008004 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Monticello) @ 2008Q3
Self-Identified List (Monticello)
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