05000324/FIN-2008005-03
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Finding | |
|---|---|
| Title | Inadvertent Rack Out of the 2A Core Spray Pump Circuit Breaker |
| Description | A self-revealing Green NCV of TS 5.4.1, Procedures, was identified for failure to comply with clearance order 180845 and 2OP-50, Plant Electric System Operating Procedure, Section 8.1, Racking Out a 4 kV Breaker. Specifically, the 2A Core Spray pump breaker was inadvertently racked out instead of the Emergency Diesel Generator #3 output breaker. The licensee racked the 2A core spray breaker back into place and entered the issue into the CAP. The failure to comply with clearance order 180845 and 2OP-50, Plant Electric System Operating Procedure, Section 8.1, Racking Out a 4 kV Breaker was identified as a performance deficiency. The performance deficiency was more than minor because it impacted the equipment performance attribute of the Mitigating Systems Cornerstone objective to maintain the availability and reliability of systems that respond to initiating events to prevent undesirable consequences. The finding was determined to be of very low safety significance because the finding was not a design or qualification deficiency, did not represent a loss of system safety function, did not represent an actual loss of safety function of a single train for greater than its TS allowed outage time, did not represent an actual loss of safety function of one or more non-TS trains of equipment designated as risk-significant per 10 CFR 50.65 for greater than 24 hrs, and did not screen as potentially risk significant due to a seismic, flooding, or severe weather initiating event. The finding has a cross-cutting aspect of human error prevention, as described in the Work Practices component of the Human Performance cross-cutting area because the licensee inadvertently racked out the wrong breaker. H.4(a) (Section 4OA3 |
| Site: | Brunswick  |
|---|---|
| Report | IR 05000324/2008005 Section 4OA3 |
| Date counted | Dec 31, 2008 (2008Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71153 |
| Inspectors (proximate) | H Gepford J Austin M Bates D Jones R Musser R Baldwin G Kolcum |
| CCA | H.12, Avoid Complacency |
| INPO aspect | QA.4 |
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Finding - Brunswick - IR 05000324/2008005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Brunswick) @ 2008Q4
Self-Identified List (Brunswick)
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