ML17265A659

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Part 21 Rept Re Relay Deficiency Detected During pre-installation Testing.Caused by Incorrectly Wired Relay Coil.Relays Were Returned to Eaton Corp for Investigation. Relays Were Repaired & Retested
ML17265A659
Person / Time
Site: Ginna Constellation icon.png
Issue date: 05/17/1999
From: WIDAY J A
ROCHESTER GAS & ELECTRIC CORP.
To:
NRC
References
REF-PT21-99 NUDOCS 9905280047
Download: ML17265A659 (16)


Text

CATEGORYREGULATORYINFORMATIONDZSTRXBUTZONSYSTEM(RXDS)ACCESSIONNBR:9905280047DOC.DATE:99/05/17NOTARIZED:NODOCKETFACZL:50-244RobertEmmetGinnaNuclearPlant,Unit1,RochesterG05000244AUTH.NAMEAUTHORAFFILIATIONWZDAY,J.A.RochesterGas&.ElectricCorp.RECXP.NAMERECIPIENTAFFILIATIONNRC-NoDetailedAffiliationGivenlq

SUBJECT:

Part21reptrerelaydeficiencydtectedduringpre-installationtesting.Causedby'incorrectlywiredrelaycoil.RelayswerereturnedtoEatonCorpforinvestigation.Relayswererepaired&retested.DISTRIBUTIONCODE:IE28TCOPIESRECEIVED:LTRENCLSIZE:TITLE:LicenseeEventReport(LER)6Part21ReptCombination(50NOTES:LicenseExpdateinaccordancewith10CFR2,2.109(9/19/72).TDkt)E05000244GRECIPIENTIDCODE/NAMELPD1-1LAVZSSING,G.COPIESLTTRENCL1111RECIPIENTXDCODE/NAMELPD1-1PDCOPIESLTTRENCL11INTERNAL:ACNWDEDRONRR/DE/EEIBNRR/DE/EMEBNRR/DIPM/XQMBNRR/DRIP/REXBNRR/DSSA/SPSBRGN1RGN3RGN1FXLE011AEODSPD/RRAB1=FXL'ECENTERS1NRR/DE/EMCB1NRR/DXPM/ZOLB1NRR/DLPM1NRR/DSSA/SPLB1RES/DET/EZB1RGN21RGN41111111111111111111EXTERNAL:INPORECORDCTRLXTCOSTUART,VANOACQUEENER,DNUDOCSFULLTXT11LSTLOBBYWARD11NOACMAYS,G11.NRCPDR11111111UMNOTETOALL"RIDS"RECZPZENTS:PLEASEHELPUSTOREDUCEHASTE.TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION,CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415-2083FULLTEXTCONVERSXONREQUIREDTOTALNUMBEROFCOPXESREQUIRED:LTTR29ENCL29 ROCHESTERGASANDEIECTRICCORPORATION.S9EASTAVEiYIJE,ROCHESTER,IIIYf46494001AREACODE716.%6.2700May17,1999U.S.NuclearRegulatoryCommissionOperationsCenterFacsimileNumber301-816-5151TelephoneNumber301-816-5100

Subject:

InitialNotificationof10CFRPart21DefectR.E.GinnaNuclearPowerPlantDocketNo.50-244Theenclosedinitialnotificationisprovidedinaccordancewith10CFRPart21,ReportingofDefectsandNoncompliance,Section21(d)(3){i),whichrequires"Initialnotificationbyfacsimile".writtennotification,inaccordancewith10CFRPart21,Section21{d)(3)(ii),willbeprovidedbyJune16,1999.Verytrulyyours,Q.dshA.Wida.Enclosures9905280047990517PDRADOCK050002448 10CFR21INITIALFACSIMILENOTIFICATION'NAMEANDADDRESSOFTHEINDIVIDUALINFORMINGTHECOMMISSZO¹NAME:JosephA.WidayPlantManagerADDRESS:RochesterGas&ElectricCorporation89EastAvenueRochester,New-York14649IDENTIFICATI9NOFTHEFACILITY'HEACTIVITY'RTHEBASICCOMPONENTSUPPLIEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:ThebasiccomponentistheNBPD65NRControlRelay,suppliedbyEATONCorporation,Inc.ThiscomponentwasPurchasedSafetyRelatedforuseinvariouslocationsatGinnaStation.IDENTIFICATIONOFTHEFIRMCONSTRUCTINGTHEFACILITYORSUPPLYINGTHEBASICCOMPONENTWHICHFAILSTOCOMPLYORCONTAINSADEFECTsTheRelaysweresuppliedtoRG&EbyEATONCorporationEATONCorporatiod.Inc.21SouthStDanbury,Ct06810NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYRLSARDWHICHXSCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLYhenatureofthedefectconsistedofamanufacturingdeficiency.Uponinvestigation,byEATON,itwasdeterminedthattherelaycoilhadbeenincorrectlywiredsuchthattheinternalrelaydesign,whichincludesapickupandaholdcoil,wouldopposeeachotheratlowervoltagesandprohibitholdingcoilactuationwhichresultedinexcessiverelaychatter.Theincorrectwiringwasattributedtoinsufficienttrainingandsubsequentpoorworkmanshipofanewemployee.Thefactorytestingdidnotdetectthechatteringrelays.ThedeficiencywasdetectedbyRG&Eduringpre-installationtestingpriortoinstallationintoreactortriplogic.Noactualsafetyhazardexisted.

THEDATEONERICHTHEZNFORMJiTZONOFSUCHDEFECTORFAILURETOCOMPLYWASOBTAXNIlD~The'infoxmationwasobtainedonApril2,1999,duringthepre-installationtestingoftherelays.INTHECASEOFABASICCOMPONENTWHICHCONTAINSADEFECTORFAXLSTOCOMPLYITHENUMBERANDLOCATIONOFALLSUCHCOMPONENTSINUSEAT,SUPPLXEDFORpORBEINGSUPPLXEDFORGXNNASTATIONSTherearenumerousNBFD65NRrelays,permanentlyinstalledatGinnaStation.Noneofthedeficientrelayswereinstalled.THECORRECTXVEACTXON7%1CHHASPEEN'SBEINQsORRILLBETAKEN;THENAMgOFTHEXNDIVZDUALORORGANISATIONRESPONSXBLEFORTHEACTIONSANDTHELENGTHOFTIMETHATHASBEENORNXLLBETAKENTOCOMPLETETHEACTIONSAfterthedeficiencywasdiscoveredbyRG&E,therelayswerereturnedtoEATONforevaluationandrootcauseanalysis.AnRG&EQAEngineerwaspresentduring'therootcauseinvestigation.AtEATON'sfactory,itwasdiscoveredthatoneofthetworelaycoilswaswiredupbackwardsonalltherelaysinquestion.TherelaysweretestedbyEATONandpassedtheirbenchtest,butthefactorynoisemaskedthesoundoftherelayschattering.Therelayswererepairedandretestedusingenhancedtestprocedureswhichincludedcheckingforrelaychatter.RG&EhaschangedtheirvendorrequirementstoincludeSourceSurveillanceonfutureorderswithEATON.RG&Ewillperformreceipttestingof'elayspurchasedfromEATON.ANYADVICERELATEDTOTHEDEFECTORFAILURETOCOMPLYABOUTTHEFACZLXTY,ACTIVITY,ORBASICCOMPONENTTHATHASBEEN,ISBEING,ORWILLBEGIVENTOPURCHASERSORLICENSEES<RG&E'sadvicewouldbetoperformreceiptinspectiontestingofrelaysorperformasourcesurveillanceofthevendor'stestingpractices.TOTRLP.84

ROCHFSTERGA8ANDELECTRICCORPORA7IONR.E.GINNhNUCLEARPOKERPIANOSGieutWfnfstrnlipn1503DtkcR08Onbvfo,HY10519ContactName:CompanyName:TelecopyNumber:Sender:Description:Numberofpages,includlrfgcoversheet:0.S.:lfyouhavenotreceivedallpages,orifyouhaveanyquestionsorproblemswithreceiving,contact:SharonSortinoorWendyMerkelVerificationNumber:716-771-3548or716-771-3102TelecopyNumber:716-771-3943

,ROCHESTERGA8ANDEI.ECTRICCORPORAT/ONR.E.GINNhNUCLEARPOKERPEDANTGieut~Mtratisn1503En&W806trf0,NY1%519ContactName:CompanyName:TelecopyNumber:Sender:Description:Numberofpages,includingcoverskeet:DateSent:Ifyouhavenotreceivedallpages,orifyouhaveanyquestionsorproblemswithreceiving,contact:SharonSortinoorWendyMerkelVerificationNumber:716-771-3548or716-771-3102TelecopyNumber:716-771-3943

0$flh'1999U.S.NuclearRegulatoryCotnntlsslonOperationsCenterEventReport~PaelPowerReactorEvent035731Site:GINNAUnit:1ReactorType:(1)W-2-LPContainmentType:DRYAMBNotificationDate/Time:05/18/199912:47(EDT)Region'.1State:NYEventDate/Time:05/18/1999(EDT)LastModification:05/18/1999UNSPECIFIEDPARAGRAPHNRCNotifiedby:JOSEPHA.WIDAY(VIAFHQOpsOfficer.STEVESANDINEmergencyClass:NONEMERGENCY10CFRSection:21.21Notifications:PETERESELGROTHR1VERNHODGENRRUnitScramCodeRXCritInitPowerYes98InitialRXModePowerOperation98PowerOperationCurrPowerCurrentRXModeDEFICIENTCONTROLRELAYSIDENTIFIEDDURINGPRE-INSTALLATIONTESTING.ON4/2/99,THELICENSEEIDENTIFIEDTHATCONTROLRELAYS(NBF065NR)MANUFACTUREDBYEATONCORPORATIONCONTAINEDAMANUFACTURINGDEFICIENCY,I.E.,"THERELAYCOILHADBEENINCORRECTLYWIREDSUCHTHATTHEINTERNALRELAYDESIGN,WHICHINCLUDESAP(CKUPANDAHOLDCOlL,WOULDOPPOSEEACHOTHERATLOWERVOLTAGESANDPROHIBITHOLDINGCOILACTUATIONWHICHRESULTEDINEXCESSIVERELAYCHATTER."THISDEFECTWASIDENTIFIEDDURINGPRE-INSTAILATIONTESTINGPRIORTOUSEINTHEREACTORTRIPLOGIC.NODEFICIENTRELAYSAREINSTALLED.

ROCHESTERGASANOEIECTRICCORPORATIOI89EASTAVEIIIUE,ROCHESTER,NV<4&94OO~hREACOOE716.54S.2700May17,1999U.S.NuclearRegulatoryCommissionOperationsCenterFacsimileNumber301-816-5151TelephoneNumber301-816-5100

Subject:

InitialNotificationof10CPRPart21DefectR.E.GinnaNuclearPowerPlantDocketNo.50-244Theenclosedinitialnotificationisprovidedinaccordancewith10CFRPart21,ReportingofDefectsandNoncompliance,Section21(d)(3)(i),whichrequires"Initialnotificationbyfacsimile".Writtennotification,inaccordancewith10CFRPart21,Section21(d)(3)(ii),willbeprovidedbyJune16,1999.Verytrulyyours,a.dshA.WidaEnclosures

10CFR21INITI.'0FACSIMILENOTIFICATION,NAMEANDADDRESSOFTHEXNDXUIDUALXNFORMINGTHECOMMISSXONsNAME:ADDRESS:JosephA.NidayPlantManagerRochesterGas&ElectricCorporation89EastAvenueRochester,NewYork14649ZZ.IDENTIFXCATIONOFTHEFACILITY,THEACTIVZTY,ORTHEBASICCOMPONENTSUPPLZEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:ThebasiccomponentistheNBFD6SNRControlRelay,suppliedbyEATONCorporation,Inc.ThiscomponentwasPurchasedSafetyRelatedforuseinvariouslocationsatGinnaStation.III.IDENTIFICATXONOFTHEFXRMCONSTRUCTZNQTHEFACILITYORSUPPLYINGTHEBASICCOMPONENTWHICHFAILSTOCOMPLYORCONTAINSADEFECTsIV-TheRelaysweresuppliedtoRG&EbyEATONCorporationEATONCorporationInc.21SouthStDanbury,Ct06810,NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYHAZARDNBXCHXSCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLYtThenatureofthedefectconsistedofamanufacturingdeficiency.Uponinvestigation,byEATON,itwasdeterminedthattherelaycoilhadbeenincorrectlywiredsuchthattheinternalrelaydesign,whichincludesapickupandaholdcoil,wouldopposeeachotheratlowervoltagesandprohibitholdingcoilactuationwhichresultedinexcessiverelaychatter.Theincorrectwiringwasattributedtoinsufficienttrainingandsubsequentpoorworkmanshipofanewemployee.Thefactorytestingdidnotdetectthechatteringrelays.ThedeficiencywasdetectedbyRG&Eduringpre-installationtestingpriortoinstallationintoreactortriplogic.Noactualsafetyhazardexisted.

THEDATEONWHICHTHEINFORMATIONOFSUCHDEFECTORFAILURETQCOMPLYWASOBTAXNRDaThe'nformationwasobtainedonApril2,1999,duringthepre-installationtestingoftherelays.INTHECASEOFABASICCOMPONENTWHXCHCONTAINSADEFECTORFAXLSTQCOMPLYITHENUMBERANDLOCATIONOFALLSUCHCOMPONENTSINUSEAT,SUPPLXEDFORORBEXNGSUPPLIEDFQRGZNNASTATIONSTherearenumerousNBPD65NRrelays,permanentlyinstalledatGinnaStation.Noneofthedeficientrelayswereinstalled.THECORRECTIVEACTXONWHICHHASBEEN,ISBEING,OR'WILLBETARENgTHENAKEOlPTHEXNDXUXDUALORQRGANXEATXONRESPQNSXBLEFORTHEACTIONSANDTHELENGTHOPTIMETHATHASBEENORWXLLBETAKENTOCOMPLETETHEACTION!Afterthedeficiencywasdiscover'edbyRG&E,therelayswerereturned,toEATONforevaluationandrootcauseanalysis.AnRG&EQAEngineerwaspresentduringtherootcauseinvestigation.AtEATON'sfactory,itwasdiscoveredthatoneofthetworelaycoilswaswiredupbackwardsonalltherelaysinquestion.TherelaysweretestedbyEATONandpassedtheirbenchtest,butthefactorynoisemaskedthesoundoftherelayschattering.Therelayswererepairedandretestedusingenhancedtestprocedureswhichincludedcheckingforrelaychatter.RG&EhaschangedtheirvendorrequirementstoincludeSourceSurveillanceonfutureorderswithEATON.RG&EwillperformreceipttestingofrelayspurchasedfromEATON.ANYADVICERELATEDTOTHE'DEFECTORFAILURETQCOMPLYABOUTTHEFACILITY,ACTIVITY,ORBASXCCOMPONENTTHATHASBEEN,ISBEING,ORWILLBEGIVENTOPURCHASERSQRLICENSEES'G&E'sadvicewouldbetoperformreceiptinspectiontestingofrelaysorperformasourcesurveillance.ofthevendor'stestingpractices.TOTRLP.84