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05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized
Show incoming properties 
Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20199L538  +
CFR
10 CFR 50.73#a2iv +
Correspondence
DCL-86-090 +  and DCL-86-90 +
DCL
DCL-86-090 +  and DCL-86-90 +
Docket
05000323  +  and 00323  +
Equipment trip
Reactor Trip +  and Turbine Trip +
From
Scott Wilson +, PACIFIC GAS & ELECTRIC CO. +  and Shiffer J +
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>.
05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +, 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +  and 05000323/LER-1986-007, :on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +
Hours
0.00116 d (0.0278 hours, 1.653439e-4 weeks, 3.805e-5 months)  +  and 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +
Issue date
April 4, 1986  +
LER number
7  +
LER year
1,986  +
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>.
08:50:18, 8 December 2024  +
Page count
5  +
Power source
4kV +
Reporting criterion
10 CFR 50.73(a)(2)(iv), System Actuation +
Site
Diablo Canyon +
Start date
April 4, 1986  +
State
Washington +
System
Control Rod +  and Reactor Protection System +
TS
TS-3.1.3.1 +
Title
:on 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized   +
Title:
On 860305,nuclear Instrumentation Sys Negative Rate Reactor Trip Occurred Due to Two Dropped Rods.Caused by Faulty Logic Module in Rod Control Circuitry.Faulty Module Replaced & Plant Stabilized +
To
NRC OFFICE OF ADMINISTRATION (ADM) +
Topic
Negative rate trip +
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::3231986007R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2019/ML20199L538.pdf  +
 
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