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05000244/FIN-2018002-01
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Category
Finding
Cornerstone
Mitigating Systems +
Description
The inspectors identified a Green non-cite … The inspectors identified a Green non-cited violation (NCV) of Title 10 of the Code of Federal Regulations (10 CFR) Part 50, Appendix B, Criterion III, Design Control, when Exelon failed to ensure that adequate design control measures existed to verify the adequacy of the Reactor Vessel Level Monitoring System (RVLMS) uncertainty calculation. Specifically, Exelon failed to identify errors in the RVLMS uncertainty calculation which resulted in a reasonable doubt of operability for the system after a temporary modification was implemented. a temporary modification was implemented.  +
Discovered date
23:59:59, 30 June 2018  +
Docket
05000244  +
Event date
23:59:59, 30 June 2018  +
Finding integer
1  +
Finding type
Non-cited violation +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +, 05000244/FIN-2018002-01 +  and 05000244/FIN-2018002-01 +
Identified by
NRC identified +
Inspection procedure
IP 71152, Problem Identification and Resolution (PI&R) +
Inspection report
IR 05000244/2018002 +
Inspector
Neil Perry +, Christopher Cahill +, Joseph Furia +, Jon Lilliendahl +, Louis Dumont +, Kenneth Kolaczyk +, Harold Anagnostopoulos +  and Jason Schussler +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
22:35:12, 10 September 2018  +
Person
Neil Perry +, Christopher Cahill +, Joseph Furia +, Jon Lilliendahl +, Louis Dumont +, Kenneth Kolaczyk +, Harold Anagnostopoulos +  and Jason Schussler +
Quarter
2018Q2 +
Significance
Green +
Site
Ginna +
Start date
23:59:59, 30 June 2018  +
Title
Incorrect Scaling Factors in Reactor Vessel Level Monitoring System Instrumentation Uncertainty Calculation  +
Topic
Temporary Modification +  and Reasonable doubt of operability +
Violation of
10 CFR 50 Appendix B, Quality Assurance Criteria for Nuclear Power Plants and Fuel Reprocessing Plants +  and 10 CFR 50 Appendix B Criterion III, Design Control +
 
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