ML17266A083: Difference between revisions

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{{#Wiki_filter:.4.5NRCFOAMSdiIl771LICENSE:"EVENTREPORTU.*NUCLEARRSGULATQRYCOMMISSIONCQNTROLSLCCXIII'IQI(PLSASSPRINTORTYPeALLRKQUIRSOINPORMATIQNI1CN'T0I2L4CSVSCYPS1455Ms$3QQ,9UCSV$45CQCSI~1$5UC$454vuMBSR";;ILIStl5tll003135'.0J~5441COCKSTNUAISSJIiiaslaNTOESCRIPTIQNANOPROSASLSCQ04SRQUasVCcSQlollhileinthestartumodefollowinaQa1rtiQ9iVSNTOATSIS1$RiPCATOATS.$4refuelinouaeCEA419droedfourtimeswithinatwohourperiod.AftereachofthefirstthreedropsCEA'II'19wasrestoredtoitsnormalpositionwithinthetimelimitspeci-~FLI5LI5111,001.I'II-IJ4I~I~4fiedbyTechnicalSpecification3.1.3.1.e,actionstatementl.Afterthefourthdropthecoilpowerprogrammertimingmodulewas'replacedandCEAil19wasreturnedtoitsnormalpositionwithinthetimel.imitspeci-~0fiedbyTechnicalSpecification3.1.3.1.eandhasperformednormally.1395Y5TSAICAUSSCAUSSCOMP,VALVSCOiCQC4SUSCOOSCCMPONSNTC004SUSCQOaSuaCQQS~09IJ~SSISISLSJS~tlsISMJSWzS159IOIII1ISIS191454QUSNTIALOCCURRSiVCSRSPORTRSVISIQN11111414"11$1914ACTIONFUTURSSPFSC~SssVTOCWNATT5AO<MSNTVPROAPRIMSCCMRCOMPONSNT'AJISNATICJI.CNPLANTSIST>00-IIQURSQ22SVSMITT0PQR.'ASVB5'JPPUCRJJIANUFAC,URSAM~sMisJJsLJs~~'''JsJJJ113's~<>'4$4144141CAUSCOSSCRIPTIONANOCOAASLC0IV8ACTIONSQ2>CEA819dropedduetoafailureofthecoilowerrorammertiminmodule.Nocauseorfailuremodehasbeendetermined.ThetimermodulewasreplacedandCEA819performednormally.Noothercorrectiveactionisrequired.35IOI'1IS44ACTIVITYCCNTLITRCLS+$40QPRSL~SAMOUNTQPACTIVITYQ354~ZQ22~ZQ2$O'A139I4I1PSR50NNSL4'APOSVISSS~~~o7II'"0IQ33"z'rQs'"'"""NT'53II1111PSRSCNNSLINIURISS~000QsNA139III1LCSSQPCROANAC10PACIUTVQ2~Z'QA2NA13IOPU8UC:1ISSV30OSSCPIPT:CNGSHA7'HEIl035!44$'k<$M.A.SchopmanPIAAIFOPPR-PARSR1PACIU~Y.IQ,uSTNOOOP3ATU545PC%SROTIISRSTATUS~OISCQVSRY5CQs~000QsNA.~JJrQlOperator:"QisSerVP>on"0NAIQCATICNOPRSLSASSQ34NRC444QPILVI'llIIIII'!,N..(305)552-2802 REPORTABLEOCCURRENCE335-79-19LICENSEEEVENTREPORTPAGE2ADDITIONALEYENTDESCRIPTIONThecoilpowerprogrammertimermodulewasreplacedafterCEA>19droppedforthefourthtimewithinatwohourperiod.CEA819wasreturnedtoitsnormalpositionandhasperformednormallyfor3weeks.Sincethereactorwasatzeropower(Mode2)atthetimeofthisoccur-rence,TechnicalSpecification3.2wasnotapplicable,andnopowerdistributionlimitswereexceeded.ThiswasthesecondoccurrenceforCEAn19.HocausewasdeterminedforthefirstoccurrencereportedbyLER335-78-18.NootherdroppedCEA'shavebeenspecificallyattributedtoatimermodulefailure,however,twootheroccurrenceswerecorrectedbyreplacingcomponentsincludingthetimermodule.  
{{#Wiki_filter:.4.5NRCFOAMSdiIl771LICENSE:"
EVENTREPORTU.*NUCLEAR RSGULATQRY COMMISSION CQNTROLSLCCXIII'IQI(PLSASSPRINTORTYPeALLRKQUIRSOINPORMATIQNI 1CN'T0I2L4CSVSCYPS1455Ms$3QQ,9UCSV$45CQCSI~1$5UC$454vuMBSR";;ILIStl5tll003135'.0J~5441COCKSTNUAISSJIiiaslaNTOESCRIPTIQN ANOPROSASLSCQ04SRQUasVCcS QlollhileinthestartumodefollowinaQa1rtiQ9iVSNTOATSIS1$RiPCATOATS.$4refuelinouaeCEA419droedfourtimeswithinatwohourperiod.AftereachofthefirstthreedropsCEA'II'19 wasrestoredtoitsnormalpositionwithinthetimelimitspeci-~FLI5LI5111,001.I'II-IJ4I~I~4fiedbyTechnical Specification 3.1.3.1.e, actionstatement l.Afterthefourthdropthecoilpowerprogrammer timingmodulewas'replaced andCEAil19wasreturnedtoitsnormalpositionwithinthetimel.imitspeci-~0fiedbyTechnical Specification 3.1.3.1.e andhasperformed normally.
1395Y5TSAICAUSSCAUSSCOMP,VALVSCOiCQC4SUSCOOSCCMPONSNT C004SUSCQOaSuaCQQS~09IJ~SSISISLSJS~tlsISMJSWzS159IOIII1ISIS191454QUSNTIAL OCCURRSiVCS RSPORTRSVISIQN11111414"11$1914ACTIONFUTURSSPFSC~SssVTOCWN ATT5AO<MSNT VPROAPRIMSCCMRCOMPONSNT'AJISN ATICJI.CNPLANTSIST>00-IIQURSQ22SVSMITT0PQR.'ASVB 5'JPPUCRJJIANUFAC,URSA M~sMisJJsLJs~~'''JsJJJ113's~<>'4$4144141CAUSCOSSCRIPTION ANOCOAASLC0IV8ACTIONSQ2>CEA819dropedduetoafailureofthecoilowerrorammertiminmodule.Nocauseorfailuremodehasbeendetermined.
ThetimermodulewasreplacedandCEA819performed normally.
Noothercorrective actionisrequired.
35IOI'1IS44ACTIVITYCCNTLITRCLS+$40QPRSL~SAMOUNTQPACTIVITYQ354~ZQ22~ZQ2$O'A139I4I1PSR50NNSL 4'APOSVISSS
~~~o7II'"0IQ33"z'rQs'"'"""NT'53II1111PSRSCNNSL INIURISS~000QsNA139III1LCSSQPCROANAC10PACIUTVQ2~Z'QA2NA13IOPU8UC:1ISSV30OSSCPIPT:CN GSHA7'HEIl035!44$'k<$M.A.SchopmanPIAAIFOPPR-PARSR1PACIU~Y.IQ,uSTNOO OP3ATU545PC%SROTIISRSTATUS~OISCQVSRY 5CQs~000QsNA.~JJrQlOperator:"QisSerVP>on" 0NAIQCATICNOPRSLSASSQ34NRC444QPILVI'llIIIII'!,N..(305)552-2802 REPORTABLE OCCURRENCE 335-79-19 LICENSEEEVENTREPORTPAGE2ADDITIONAL EYENTDESCRIPTION Thecoilpowerprogrammer timermodulewasreplacedafterCEA>19droppedforthefourthtimewithinatwohourperiod.CEA819wasreturnedtoitsnormalpositionandhasperformed normallyfor3weeks.Sincethereactorwasatzeropower(Mode2)atthetimeofthisoccur-rence,Technical Specification 3.2wasnotapplicable, andnopowerdistribution limitswereexceeded.
Thiswasthesecondoccurrence forCEAn19.Hocausewasdetermined forthefirstoccurrence reportedbyLER335-78-18.
NootherdroppedCEA'shavebeenspecifically attributed toatimermodulefailure,however,twootheroccurrences werecorrected byreplacing components including thetimermodule.  
'L~s}}
'L~s}}

Revision as of 12:29, 29 June 2018

LER 79-019/03L-0 on 790605:control Element Assembly Dropped Four Times within 2-h Period.Caused by Failure of Coil Power Programmer Timing Module.Module Replaced
ML17266A083
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 07/03/1979
From: SCHOPPMAN M A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17206A897 List:
References
LER-79-019-03L-01, LER-79-19-3L-1, NUDOCS 7907120641
Download: ML17266A083 (3)
v • d • e


Text

.4.5NRCFOAMSdiIl771LICENSE:"

EVENTREPORTU.*NUCLEAR RSGULATQRY COMMISSION CQNTROLSLCCXIII'IQI(PLSASSPRINTORTYPeALLRKQUIRSOINPORMATIQNI 1CN'T0I2L4CSVSCYPS1455Ms$3QQ,9UCSV$45CQCSI~1$5UC$454vuMBSR";;ILIStl5tll003135'.0J~5441COCKSTNUAISSJIiiaslaNTOESCRIPTIQN ANOPROSASLSCQ04SRQUasVCcS QlollhileinthestartumodefollowinaQa1rtiQ9iVSNTOATSIS1$RiPCATOATS.$4refuelinouaeCEA419droedfourtimeswithinatwohourperiod.AftereachofthefirstthreedropsCEA'II'19 wasrestoredtoitsnormalpositionwithinthetimelimitspeci-~FLI5LI5111,001.I'II-IJ4I~I~4fiedbyTechnical Specification 3.1.3.1.e, actionstatement l.Afterthefourthdropthecoilpowerprogrammer timingmodulewas'replaced andCEAil19wasreturnedtoitsnormalpositionwithinthetimel.imitspeci-~0fiedbyTechnical Specification 3.1.3.1.e andhasperformed normally.

1395Y5TSAICAUSSCAUSSCOMP,VALVSCOiCQC4SUSCOOSCCMPONSNT C004SUSCQOaSuaCQQS~09IJ~SSISISLSJS~tlsISMJSWzS159IOIII1ISIS191454QUSNTIAL OCCURRSiVCS RSPORTRSVISIQN11111414"11$1914ACTIONFUTURSSPFSC~SssVTOCWN ATT5AO<MSNT VPROAPRIMSCCMRCOMPONSNT'AJISN ATICJI.CNPLANTSIST>00-IIQURSQ22SVSMITT0PQR.'ASVB 5'JPPUCRJJIANUFAC,URSA M~sMisJJsLJs~~JsJJJ113's~<>'4$4144141CAUSCOSSCRIPTION ANOCOAASLC0IV8ACTIONSQ2>CEA819dropedduetoafailureofthecoilowerrorammertiminmodule.Nocauseorfailuremodehasbeendetermined.

ThetimermodulewasreplacedandCEA819performed normally.

Noothercorrective actionisrequired.

35IOI'1IS44ACTIVITYCCNTLITRCLS+$40QPRSL~SAMOUNTQPACTIVITYQ354~ZQ22~ZQ2$O'A139I4I1PSR50NNSL 4'APOSVISSS

~~~o7II'"0IQ33"z'rQs'"'"""NT'53II1111PSRSCNNSL INIURISS~000QsNA139III1LCSSQPCROANAC10PACIUTVQ2~Z'QA2NA13IOPU8UC:1ISSV30OSSCPIPT:CN GSHA7'HEIl035!44$'k<$M.A.SchopmanPIAAIFOPPR-PARSR1PACIU~Y.IQ,uSTNOO OP3ATU545PC%SROTIISRSTATUS~OISCQVSRY 5CQs~000QsNA.~JJrQlOperator:"QisSerVP>on" 0NAIQCATICNOPRSLSASSQ34NRC444QPILVI'llIIIII'!,N..(305)552-2802 REPORTABLE OCCURRENCE 335-79-19 LICENSEEEVENTREPORTPAGE2ADDITIONAL EYENTDESCRIPTION Thecoilpowerprogrammer timermodulewasreplacedafterCEA>19droppedforthefourthtimewithinatwohourperiod.CEA819wasreturnedtoitsnormalpositionandhasperformed normallyfor3weeks.Sincethereactorwasatzeropower(Mode2)atthetimeofthisoccur-rence,Technical Specification 3.2wasnotapplicable, andnopowerdistribution limitswereexceeded.

Thiswasthesecondoccurrence forCEAn19.Hocausewasdetermined forthefirstoccurrence reportedbyLER335-78-18.

NootherdroppedCEA'shavebeenspecifically attributed toatimermodulefailure,however,twootheroccurrences werecorrected byreplacing components including thetimermodule.

'L~s

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