05000338/FIN-2014003-03
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Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | The failure of the licensee to place the 2A Under Frequency (UF) channel into trip on July 3, 2013, per TS 3.3.1 Condition L constituted a violation of TS. The channel should have been placed in trip within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. After further testing by the licensee, the 2A UF relay channel was placed in trip on July 10, 2013. A potential transformer blown fuse was replaced and the UV and UF channels were restored to operability on July 22, 2013. The safety function of UF monitoring was maintained by the two remaining operable channels. Using IMC 0609, Attachment 4, Initial Characterization of Findings, issued June 19, 2012, the finding was determined to be of very low safety significance (Green) because the finding was not a deficiency affecting the design or qualification of mitigating SSCs, does not represent a loss of system or function, does not represent an actual loss of function of at least a single Train greater than its TS allowed outage time, and does not represent an actual loss of function of one or more non-TS trains of equipment. This issue is in the licensees CAP as CR520296, Unit 2 2A Underfrequency Relay determined Non-Functional. |
| Site: | North Anna  |
|---|---|
| Report | IR 05000338/2014003 Section 4OA7 |
| Date counted | Jun 30, 2014 (2014Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | G Kolcum M King R Clagg S Herrick |
| Violation of: | Technical Specification |
| INPO aspect | |
| ' | |
Finding - North Anna - IR 05000338/2014003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (North Anna) @ 2014Q2
Self-Identified List (North Anna)
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