05000323/FIN-2018001-02: Difference between revisions
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| finding integer = 02 | | finding integer = 02 | ||
| quarter = 2018Q1 | | quarter = 2018Q1 | ||
| IR section = | | IR section = 4OA2 | ||
| finding type = Finding | | finding type = Finding | ||
| significance = | | significance = Green | ||
| cornerstone = Mitigating Systems | | cornerstone = Mitigating Systems | ||
| violation of = Pending | | violation of = Pending | ||
| identified by = NRC | | identified by = NRC | ||
| Inspection procedure = IP | | Inspection procedure = IP 71152 | ||
| Inspector = | | Inspector = C Newgent, J Reynoso, W Sifre, L Brookhart, N Greene, J O'Donnell, M Haire | ||
| CCA = | | CCA = | ||
| INPO aspect = | | INPO aspect = | ||
| description = The inspectors identified a finding of very low safety significance (Green) because PG&E personnel failed to follow the requirements of OM4.ID3, Operating Experience Program, Revision 20. Specifically, PG&E personnel failed to screen relevant operating experience relating to a safety-related centrifugal charging pump (CCP) journal bearing failure due to non-metallic anti-rotation pin shear failure. This operating experience notice was received by PG&E September 2011 and was not screened per OM4.ID3, Operating Experience Program, preventing actions from being identified and implemented that could have eliminated vulnerabilities and prevented a similar event from occurring at DCPP. On November11,2017, CCP 2-1 was declared inoperable and determined to be non-functional due to a damaged journal bearing caused by non-metallic, anti-rotation pin shear failur | | description = The inspectors identified a finding of very low safety significance (Green) because PG&E personnel failed to follow the requirements of OM4.ID3, Operating Experience Program, Revision 20. Specifically, PG&E personnel failed to screen relevant operating experience relating to a safety-related centrifugal charging pump (CCP) journal bearing failure due to non-metallic anti-rotation pin shear failure. This operating experience notice was received by PG&E September 2011 and was not screened per OM4.ID3, Operating Experience Program, preventing actions from being identified and implemented that could have eliminated vulnerabilities and prevented a similar event from occurring at DCPP. On November11,2017, CCP 2-1 was declared inoperable and determined to be non-functional due to a damaged journal bearing caused by non-metallic, anti-rotation pin shear failur | ||
}} | }} | ||
Latest revision as of 07:59, 30 May 2018
| Site: | Diablo Canyon  |
|---|---|
| Report | IR 05000323/2018001 Section 4OA2 |
| Date counted | Mar 31, 2018 (2018Q1) |
| Type: | Finding: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71152 |
| Inspectors (proximate) | C Newgent J Reynoso W Sifre L Brookhart N Greene J O'Donnell M Haire |
| Violation of: | Pending |
| INPO aspect | |
| ' | |