05000335/FIN-2012007-04
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Finding | |
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| Title | Failure To Implement Vendor Technical Manual Recommendations To Inspect Edg Immersion Heaters |
| Description | A self-revealing potentially greater than Green AV of Technical Specification 6.8.1.a was identified for failure to establish adequate maintenance procedures associated with the emergency diesel generator (EDG) system. Specifically, station personnel failed to establish preventative maintenance inspections of diesel immersion heaters in accordance with vendor manual recommendations. As a result, the Unit 1 1A EDG was immediately rendered inoperable for 43.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> due to a failed immersion heater that resulted in a leak of the 1A2 EDG jacket water system. The licensee replaced the heater with an onsite spare. The finding was considered more than minor because it impacted the Reactor Safety Mitigating Systems Cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences and affected the cornerstone attribute of equipment performance. The issue was placed in the licensees corrective action program as condition report 1751214. The cause of this finding was related to the Work Control component of the Human Performance cross-cutting area due to the failure to plan work activities to ensure long term equipment availability. Specifically, maintenance scheduling was more reactive than preventative. |
| Site: | Saint Lucie  |
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| Report | IR 05000335/2012007 Section 4OA2 |
| Date counted | Jun 30, 2012 (2012Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71152 |
| Inspectors (proximate) | A Butcavage D Rich L Lake R Reyes T Hoegg Hopper J Reyes J Sowa R Ng R Taylor T Chandler T Morrisse |
| CCA | H.5, Work Management |
| INPO aspect | WP.1 |
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Finding - Saint Lucie - IR 05000335/2012007 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Saint Lucie) @ 2012Q2
Self-Identified List (Saint Lucie)
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