05000440/FIN-2011003-02
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Finding | |
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| Title | Failure to Follow TS Bases |
| Description | The inspectors identified a finding of very low safety significance for failure to follow TS Limiting Condition for Operations 3.0.2 bases. The inspectors determined that the licensee rendered safety-related plant equipment inoperable and entered TS 3.6.1.3 Condition A for operational convenience. The licensee entered the issue into their corrective action program. This performance deficiency was determined to be more than minor because it impacted the Configuration Control attribute of the Mitigating Systems Cornerstone, and adversely affected the cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences (i.e., core damage). This finding is of very low safety significance because it did not increase the likelihood that a loss of decay heat removal, reactor coolant system inventory, or offsite power would occur and did not degrade the ability to terminate a leak path, recover decay heat removal once it is lost, or establish an alternate core cooling path if decay heat removal could be re-established. This finding was associated with a cross-cutting aspect in the Decision Making component of the Human Performance cross-cutting area per IMC 0310 H.1(b) because the licensee did not use conservative assumptions to ensure the proposed action was safe. Specifically, the licensee chose to disable automatic protective features of a plant system while performing high-risk activities. |
| Site: | Perry  |
|---|---|
| Report | IR 05000440/2011003 Section 1R15 |
| Date counted | Jun 30, 2011 (2011Q2) |
| Type: | Finding: Green |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.15 |
| Inspectors (proximate) | R Orlikowski J Cassidy M Marshfield M Phalen D Jones J Cameron T Hartman P Smagacz V Myers |
| CCA | H.14, Conservative Bias |
| INPO aspect | DM.2 |
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Finding - Perry - IR 05000440/2011003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Perry) @ 2011Q2
Self-Identified List (Perry)
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