05000482/FIN-2012008-03: Difference between revisions
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| identified by = NRC | | identified by = NRC | ||
| Inspection procedure = IP 93800 | | Inspection procedure = IP 93800 | ||
| Inspector = G Replogle, J Dixon, J Watkins, M Baquera, M Runyan, N O, | | Inspector = G Replogle, J Dixon, J Watkins, M Baquera, M Runyan, N O'Keefe, N Okonkwoj, Dixonj Robles, J Watkins, M Haire, M Runyan, N O'Keefe, B Correll, G Matharu | ||
| CCA = N/A for ROP | | CCA = N/A for ROP | ||
| INPO aspect = | | INPO aspect = | ||
| description = The team determined that the out-of-specification tappet nut to head lever engagement of the turbine-driven AFW pump mechanical overspeed trip mechanism warranted additional NRC review and follow-up considering that this maintenance deficiency led directly to the spurious overspeed trip following the LOOP event and additionally might have affected the reliability of the turbine during a seismic event. Additional review by the NRC will be needed to determine whether this issue represents a performance deficiency. The issue will be identified as URI 05000482/2012008-03, Review Turbine- Driven Auxiliary Feedwater Pump Mechanical Overspeed Trip Device Out of Specification. | | description = The team determined that the out-of-specification tappet nut to head lever engagement of the turbine-driven AFW pump mechanical overspeed trip mechanism warranted additional NRC review and follow-up considering that this maintenance deficiency led directly to the spurious overspeed trip following the LOOP event and additionally might have affected the reliability of the turbine during a seismic event. Additional review by the NRC will be needed to determine whether this issue represents a performance deficiency. The issue will be identified as URI 05000482/2012008-03, Review Turbine- Driven Auxiliary Feedwater Pump Mechanical Overspeed Trip Device Out of Specification. | ||
}} | }} | ||
Latest revision as of 00:19, 22 February 2018
| Site: | Wolf Creek  |
|---|---|
| Report | IR 05000482/2012008 Section 4OA5 |
| Date counted | Mar 31, 2012 (2012Q1) |
| Type: | URI: |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 93800 |
| Inspectors (proximate) | G Replogle J Dixon J Watkins M Baquera M Runyan N O'Keefe N Okonkwoj Dixonj Robles J Watkins M Haire M Runyan N O'Keefe B Correll G Matharu |
| INPO aspect | |
| ' | |