05000454/FIN-2008004-02
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Finding | |
|---|---|
| Title | Inadequate Preventative Maintanance for the Unit 2 Train B Station Air Compressor |
| Description | A finding of very low safety significance was self-revealed when the Unit 2 Train B (2B) station air compressor (SAC) tripped on two separate occasions due to inadequate preventive maintenance (PM). The license entered this issue into the corrective action program, replaced the failed components, and returned the SAC to service. The licensee is currently reassessing the SAC PM program. This finding was determined not to be a violation of NRC requirements. The finding is greater than minor because, if left uncorrected, the issue would have become a more significant safety concern. The inspectors completed a Phase 2 SDP evaluation using the Byron risk-informed inspection notebook and determined that this issue is of very low safety significance (Green) at 1E-7. The inspectors determined that this finding was related to the cross-cutting component of Human Performance for Resources (H.2.(a)) as the licensee did not minimize PM deferrals to ensure that equipment were available and adequate to assure nuclear safety. (Section 1R12.1.b) |
| Site: | Byron  |
|---|---|
| Report | IR 05000454/2008004 Section 1R12 |
| Date counted | Sep 30, 2008 (2008Q3) |
| Type: | Finding: Green |
| cornerstone | Initiating Events |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71111.12 |
| Inspectors (proximate) | D Mcneil R Ng C Thompson B Bartlett R Walton |
| CCA | H.6, Design Margins |
| INPO aspect | WP.2 |
| ' | |
Finding - Byron - IR 05000454/2008004 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Byron) @ 2008Q3
Self-Identified List (Byron)
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