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05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20203L070  +
CFR
10 CFR 50.73 +, 10 CFR 50.72 +, 10 CFR 6 +  and 10 CFR 50.73#a2iv +
Docket
05000220  +  and 00220  +
Equipment trip
Reactor Trip +
From
Lempges T +, Randall R +  and Niagara Mohawk +
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>.
05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +, 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +  and 05000220/LER-1986-005, :on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +
Hours
0.00262 d (0.0628 hours, 3.736772e-4 weeks, 8.5993e-5 months)  +
Issue date
April 23, 1986  +
LER number
5  +
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>.
05:17:23, 24 May 2025  +
NRC form
NRC Form 308 +
Page count
3  +
Procedure
ST +
Reporting criterion
10 CFR 50.73(a)(2)(iv), System Actuation +
Scram
Manual Scram +
Site
Nine Mile Point +
Start date
April 23, 1986  +
State
Washington +
System
Reactor Protection System +, Main Steam Isolation Valve +  and Control Rod +
Title
:on 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced   +
Title:
On 860402,during Shutdown for Refueling,Full Scram Experienced.Caused by Loss of Power to Reactor Protection Sys Bus II Due to Deenergization of Brown Boveri ITE-27 Relay.Relay Repaired or Replaced +
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::2201986005R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2020/ML20203L070.pdf  +
 
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