05000528/FIN-2012003-03
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Finding | |
|---|---|
| Title | Inadequate Post Maintenance Test of the Diesel Fuel Oil Transfer Pump |
| Description | The inspectors identified a non-cited violation of 10 CFR 50, Appendix B, Criterion XI, Test Control, for the failure to assure that testing to demonstrate satisfactory performance of the diesel fuel oil transfer pumps was conducted in accordance with written test procedures. Specifically, on April 17, 2011, the licensee failed to conduct post maintenance testing of the Unit 2 diesel generator A fuel oil transfer pump in accordance with the licensees inservice test procedure. This issue is captured in the corrective action program as PVAR 4161870. Palo Verde subsequently performed successful inservice testing of the Unit 2 A diesel generator fuel oil transfer pump. The inspector determined that the failure to perform testing of safety-related plant diesel fuel oil transfer pumps in accordance with written procedures following maintenance activities is a performance deficiency. The finding was more than minor because it is associated with the Mitigating Systems Cornerstone attribute of equipment performance and it adversely affect the cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Using Inspection Manual Chapter 0609.04, the inspectors determined that the finding had very low safety significance (Green) because it did not result in a loss of system safety function, an actual loss of safety function of a single train for greater than its technical specification allowed outage time, or screen as potentially risk significant due to a seismic, flooding, or severe weather initiating event. The inspectors determined that the finding had a cross-cutting aspect in the area of human performance associated with work practices because the licensee did not communicate human error prevention techniques such as self and peer checking to ensure that the appropriate pump retest was specified in the post maintenance testing instructions |
| Site: | Palo Verde  |
|---|---|
| Report | IR 05000528/2012003 Section 1R19 |
| Date counted | Jun 30, 2012 (2012Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.19 |
| Inspectors (proximate) | N Greene D You T Skaggs-Ryan L Ricketson R Lantz M Brown M Davis B Parks M Baquera I Anchondo D Reinert |
| CCA | H.12, Avoid Complacency |
| INPO aspect | QA.4 |
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Finding - Palo Verde - IR 05000528/2012003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Palo Verde) @ 2012Q2
Self-Identified List (Palo Verde)
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