05000237/FIN-2010005-01
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Finding | |
|---|---|
| Title | Failure to Provide Robust Indication of Adequate Oil Level in High Pressure Coolant Injection Booster Pump Sight Glasses |
| Description | The inspectors identified a non-cited violation of Technical Specification 5.4.1 for the licensees failure to implement the section of the high pressure coolant injection (HPCI) booster pump maintenance procedure that prescribes how to robustly mark the HPCI booster pump sight glasses to indicate the acceptable oil levels for the bearings of the Unit 2 and 3 HPCI booster pumps. Upon being informed of the condition, the licensee verified, using measurements, that the oil level for the bearings was adequate and entered the condition in the corrective action program to provide a more robust indication of the acceptable oil level. This finding is of greater than minor safety significance because, if left uncorrected, it has the potential to lead to a more significant safety concern. Specifically, if a more robust minimum level indication is not used, the wires could slide down the sight glass to the point that they do not prevent operators from allowing the oil level to drop below the minimum acceptable level for the pump to perform its safety function. The finding impacted the Mitigating Systems Cornerstone because it involved degradation of HPCI. It is not greater than Green because it did not result in the loss of operability of the HPCI system. The inspectors determined that this finding has a cross-cutting aspect in the area of Problem Identification and Resolution under the component Corrective Action Program because the licensee did not take appropriate corrective actions to address safety issues in a timely manner, commensurate with their safety significance and complexity. |
| Site: | Dresden  |
|---|---|
| Report | IR 05000237/2010005 Section 1R04 |
| Date counted | Dec 31, 2010 (2010Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.04 |
| Inspectors (proximate) | E Sanchez F Nestor R Jickling T Bilik D Melendez-Colon W Slawinski C Phillips M Ring T Go J Draper D Sand |
| CCA | P.3, Resolution |
| INPO aspect | PI.3 |
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Finding - Dresden - IR 05000237/2010005 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Dresden) @ 2010Q4
Self-Identified List (Dresden)
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