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05000313/FIN-2018003-06
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Category
Finding
Cornerstone
Initiating Events +
Cross cutting aspect
P.3 +
Description
The inspectors reviewed a self-revealed Gr … The inspectors reviewed a self-revealed Green finding and associated non-cited violation of Arkansas Nuclear One, Unit 1, Technical Specifications 5.4.1.a, for the licensees failure to properly preplan maintenance that can affect the performance of safety-related equipment. Specifically, the licensee failed to properly pre-plan maintenance for the replacement of air supply tubing for turbine bypass valve CV-6687, which resulted in the failure of the air tubing, causing valve CV-6687 to fail open, which led to a manual reactor trip and a subsequent loss of the main condenser.d a subsequent loss of the main condenser.  +
Discovered date
23:59:59, 30 September 2018  +
Docket
05000313  +
Event date
23:59:59, 30 September 2018  +
Finding integer
6  +
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>.
05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +, 05000313/FIN-2018003-06 +  and 05000313/FIN-2018003-06 +
INPO aspect
PI.3 +
Identified by
Self-revealing +
Inspection procedure
IP 71153, Event Followup +
Inspection report
IR 05000313/2018003 +
Inspector
Greg Pick +, Rick Deese +, M Hayes +, N O'Keefe +, Christopher Henderson +, Paul Elkmann +, Clyde Osterholtz +, John Kirkland +, Nicholas Hernandez +, Margaret Tobin +, Thomas Sullivan +  and Scott Bussey +
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>.
05:29:49, 4 December 2018  +
Person
Greg Pick +, Rick Deese +, M Hayes +, N O'Keefe +, Christopher Henderson +, Paul Elkmann +, Clyde Osterholtz +, John Kirkland +, Nicholas Hernandez +, Margaret Tobin +, Thomas Sullivan +  and Scott Bussey +
Quarter
2018Q3 +
Scram
Manual Scram +
Significance
Green +
Site
Arkansas Nuclear +
Start date
23:59:59, 30 September 2018  +
State
Arkansas +
System
Main Condenser +
TS
TS-5.4.1.a +
Title
Reactor Power Transient Caused by the Turbine Bypass Valve Failing Open  +
Turbine component
Turbine bypass valve +
Violation of
Technical Specification +
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