05000255/FIN-2011005-04
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Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | Technical Specification 5.4.1 requires that written procedures be established, implemented, and maintained for procedures recommended in Regulatory Guide 1.33, Revision 2, Appendix A. Section 9 of Regulatory Guide 1.33 states, in part, that maintenance that can affect the performance of safety-related equipment should be properly pre-planned and performed in accordance with written procedures, documented instructions, or drawings appropriate to the circumstances. Contrary to this, troubleshooting was performed on the #1 battery charger following a DC electrical transient on September 25, 2011, which failed to identify a blown fuse that resulted from the transient. As a result, the charger was declared operable and returned to service when in fact it was still inoperable. Unusual voltage indication identified later by a member of Operations Department prompted further troubleshooting of the charger, which revealed the still-blown fuse. The licensee entered the issue into the corrective action program as CR-PLP-2011-04826 and replaced the blown fuse. The issue was more than minor because it affected the Mitigating System Cornerstone attribute of equipment performance and adversely impacted the objective to ensure the availability of equipment to respond to initiating events. The inspectors concluded the finding was of very low safety significance due to answering no to the phase 1questions in the Mitigating Systems column of Table 4a of IMC 0609 Attachment 4 |
| Site: | Palisades  |
|---|---|
| Report | IR 05000255/2011005 Section 4OA7 |
| Date counted | Dec 31, 2011 (2011Q4) |
| Type: | TEV: Severity level IV |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | C Zoia J Cassidy J Ellegood T Taylor M Learn A Scarbeary L Rodriguez |
| INPO aspect | |
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Finding - Palisades - IR 05000255/2011005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Palisades) @ 2011Q4
Self-Identified List (Palisades)
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