05000280/FIN-2008006-02
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Finding | |
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| Title | Failure to Use Appropriate Acceptance Criteria for Testing Battery Voltage at the One Minute Mark (Section 1R21.2.13) |
| Description | The inspectors identified a Green NCV of 10 CFR 50, Appendix B, Criterion XI, Test Control, for incorrect acceptance criteria in test procedure 1-EPT-0106-01, Main Station Battery 1A Service Test. This finding was entered into the licensees corrective action program as condition report 091906. Planned corrective actions included revision of the main station battery test procedures to include the correct voltage at the one minute mark. This finding is more than minor because it affects the Mitigating Systems Cornerstone objective ensuring the availability, reliability, and operability of the station batteries to perform the intended safety function during a design basis event and the cornerstone attribute of Procedure Quality, i.e. maintenance and testing procedures. The inspectors assessed the finding using the SDP and determined that the finding was of very low safety significance (Green) because the deficiency did not result in station batteries being inoperable based upon a recent review of station battery discharge test results. The inspectors determined that the lack of a thorough evaluation of condition report 022112, which addressed deficiencies in station battery test procedures such that resolutions addressed causes, was a significant cause of this performance deficiency. Failure to thoroughly evaluate problems such that resolutions address causes is directly related to the Corrective Action Program component of the cross-cutting area of Problem Identification and Resolution and the aspect of thorough evaluation of problems (P.1(c)). (Section 1R21.2.13 |
| Site: | Surry  |
|---|---|
| Report | IR 05000280/2008006 Section 1R21 |
| Date counted | Mar 31, 2008 (2008Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.21 |
| Inspectors (proximate) | C Baron G Skinner S Rose W Fowler R Berryman J Hamman G Gardner B Desai B Collins |
| CCA | P.2, Evaluation |
| INPO aspect | PI.2 |
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Finding - Surry - IR 05000280/2008006 | |||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Surry) @ 2008Q1
Self-Identified List (Surry)
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