Finding | |
|---|---|
| Title | Failure to Follow Operating Experience Procedures Results in Inadequate Screen of Operating Experience Report |
| 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 |
| 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 | |
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Finding - Diablo Canyon - IR 05000323/2018001 | |||||||||||||||||
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Finding List (Diablo Canyon) @ 2018Q1
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