05000298/FIN-2011003-12
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Finding | |
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Title | Licensee-Identified Violation |
Description | Title 10 CFR Part 50, Appendix B, Criterion XVI, Corrective Actions, requires, in part, that Measures shall be established to assure that conditions adverse to quality, such as failures, malfunctions, deficiencies, deviations, defective material and equipment, and nonconformances are promptly identified and corrected. Contrary to the above, the licensee failed to promptly identify and correct a condition adverse to quality, associated with bolted fasteners on emergency diesel generator number 2. Specifically, the licensee had postponed implementation of a corrective action, from a previous loose bolting issue associated with the overspeed governor, to perform a 100 percent torque check of all fasteners on the diesel from June until August 2010 due to conflicting work week schedules. As a result, when the bolting was checked the bolts for the overspeed governor were found loose again, and the licensee determined that the loose bolts had been a result of improper maintenance performed when reassembling the joint from the previous bolting issue. Using Manual Chapter 0609.04, Phase 1 Initial Screening and Characterization of Findings, the inspectors determined this finding to be of very low safety significance because there was not a design or qualification deficiency that resulted in a loss of operability or functionality, it did not create a loss of system safety function or of a single train for greater than the technical specification allowed outage time, it did not represent an actual loss of risk significant equipment, and it did not affect seismic, flooding, or severe weather initiating events. |
Site: | Cooper |
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Report | IR 05000298/2011003 Section 4OA7 |
Date counted | Jun 30, 2011 (2011Q2) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | Licensee-identified |
Inspection Procedure: | |
Inspectors (proximate) | G Pick J Josey L Ricketson M Chambers M Young N Greene V Gaddy |
INPO aspect | |
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Finding - Cooper - IR 05000298/2011003 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Cooper) @ 2011Q2
Self-Identified List (Cooper)
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