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05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20141E402  +
CFR
10 CFR 50.73#a2iv +
Docket
05000277  +  and 00277  +
From
Exelon +, (FORMERLY PHILADELPHIA ELECTRIC +, Ullrich W +  and Birely W +
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>.
05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +, 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +  and 05000277/LER-1985-025-02, :on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +
Hours
0.0139 d (0.334 hours, 0.00199 weeks, 4.57361e-4 months)  +
Issue date
December 27, 1985  +
LER number
25  +
LER year
1,985  +
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>.
20:27:04, 11 December 2024  +
Page count
5  +
Procedure
RT +
Reporting criterion
10 CFR 50.73(a)(2)(iv), System Actuation +
Scram
Automatic Scram +
Site
Peach Bottom +
Start date
December 27, 1985  +
State
Washington +
System
Feedwater +, Reactor Protection System +, Main Turbine +  and Steam Bypass Control System +
Title
:on 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting   +
Title:
On 851129,main Turbine Stop Valve Closure Scram & Low Level Group II & III Isolations Occurred.Caused by Misunderstanding of Control Room Alarm & Lack of Adequate Precautions During Troubleshooting +
To
NRC OFFICE OF ADMINISTRATION (ADM) +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::2771985025R02.pdf  +  and http://pbadupws.nrc.gov/docs/ML2014/ML20141E402.pdf  +
 
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