05000416/FIN-2018001-05
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Finding | |
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| Title | Licensee-Identified Violation |
| Description | 10 CFR 50.72(b)(3)(v)(D) requires the licensee to report an event or condition that could have prevented fulfillment of a safety function (accident mitigation).Contrary to the above, from February 18, 2018, until February 23, 2018, Grand Gulf Nuclear Station failed to make a timely event report for an event or condition that could have prevented fulfillment of a safety function (accident mitigation). Specifically, Grand Gulf Nuclear Station experienced the concurrent inoperability of the division 2 diesel generator and the high pressure core spray diesel generator. Per Technical Specification Bases 3.8.1.E.1, there are insufficient standby ac sources available in this condition to power the minimum required engineered safety feature functions.Significance/Severity Level: In accordance with NRC Enforcement Policy, Section 6.9.d.9, the failure to make a report required by 10 CFR 50.72 is a Severity Level IV violation.Corrective Action Reference(s): The licensee entered the failure to make a timely report into the corrective action program as CR-GGN-2018-1595. |
| Site: | Grand Gulf  |
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| Report | IR 05000416/2018001 Section 4OA7 |
| Date counted | Mar 31, 2018 (2018Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | M Young N Day A Athar J Kozal |
| Violation of: | 10 CFR 50.72(b)(3)(v), Loss of Safety Function |
| INPO aspect | |
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Finding - Grand Gulf - IR 05000416/2018001 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Grand Gulf) @ 2018Q1
Self-Identified List (Grand Gulf)
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