05000302/FIN-2010007-03
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Finding | |
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| Title | Failure to Monitor the Service Water and Decay Cooling Expansion Tank Check Valves |
| Description | The team identified a non-cited violation of 10 CFR 50.65(a)(1) for the licensees failure to monitor service water and decay heat cooling expansion tank level indicator check valves. In response to this concern, the licensee closed the isolation valves as an interim action, performed an in situ check valve test with satisfactory results, and entered the deficiency into their corrective action program for resolution. The licensees failure to perform appropriate maintenance on the check valves was a performance deficiency. This finding is more than minor because it is associated with the equipment performance attribute of the Mitigating Systems cornerstone and adversely affected the cornerstone objective to ensure the availability, reliability and capability of systems that respond to initiating events to prevent undesirable consequences. The finding is of very low safety significance (Green) using the SDP because it did not represent a loss of system or safety function. A cross-cutting aspect was not identified because the finding does not represent current performance. |
| Site: | Crystal River  |
|---|---|
| Report | IR 05000302/2010007 Section 1R21 |
| Date counted | Sep 30, 2010 (2010Q3) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.21 |
| Inspectors (proximate) | D Jones M Shlyamberg O Mazzoni R Patterson J Montgomery W Deschaine J Dymek S Even |
| INPO aspect | |
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Finding - Crystal River - IR 05000302/2010007 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Crystal River) @ 2010Q3
Self-Identified List (Crystal River)
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