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

CATEGORYREGULATORY INFORMATION DZSTRXBUTZON SYSTEM(RXDS)ACCESSION NBR:9905280047 DOC.DATE:99/05/17NOTARIZED:

NODOCKETFACZL:50-244 RobertEmmetGinnaNuclearPlant,Unit1,Rochester G05000244AUTH.NAMEAUTHORAFFILIATION WZDAY,J.A.

Rochester Gas&.ElectricCorp.RECXP.NAME RECIPIENT AFFILIATION NRC-NoDetailedAffiliation Givenlq

SUBJECT:

Part21reptrerelaydeficiency dtectedduringpre-installation testing.Causedby'incorrectly wiredrelaycoil.RelayswerereturnedtoEatonCorpforinvestigation.

Relayswererepaired&retested.

DISTRIBUTION CODE:IE28TCOPIESRECEIVED:LTR ENCLSIZE:TITLE:LicenseeEventReport(LER)6Part21ReptCombination (50NOTES:License Expdateinaccordance with10CFR2,2.109(9/19/72)

.TDkt)E05000244GRECIPIENT IDCODE/NAME LPD1-1LAVZSSING,G.

COPIESLTTRENCL1111RECIPIENT XDCODE/NAME LPD1-1PDCOPIESLTTRENCL11INTERNAL:

ACNWDEDRONRR/DE/EEIB NRR/DE/EMEB NRR/DIPM/XQMB NRR/DRIP/REXB NRR/DSSA/SPSB RGN1RGN3RGN1FXLE011AEODSPD/RRAB1=FXL'ECENTERS1NRR/DE/EMCB 1NRR/DXPM/ZOLB 1NRR/DLPM1NRR/DSSA/SPLB 1RES/DET/EZB 1RGN21RGN41111111111111111111EXTERNAL:

INPORECORDCTRLXTCOSTUART,VANOACQUEENER,DNUDOCSFULLTXT11LSTLOBBYWARD11NOACMAYS,G11.NRCPDR11111111UMNOTETOALL"RIDS"RECZPZENTS:

PLEASEHELPUSTOREDUCEHASTE.TOHAVEYOURNAMEORORGANIZATION REMOVEDFROMDISTRIBUTION LISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION, CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION 415-2083FULLTEXTCONVERSXON REQUIREDTOTALNUMBEROFCOPXESREQUIRED:

LTTR29ENCL29 ROCHESTERGASANDEIECTRICCORPORATION.S9EASTAVEiYIJE, ROCHESTER, IIIYf46494001 AREACODE716.%6.2700 May17,1999U.S.NuclearRegulatory Commission Operations CenterFacsimile Number301-816-5151 Telephone Number301-816-5100

Subject:

InitialNotification of10CFRPart21DefectR.E.GinnaNuclearPowerPlantDocketNo.50-244Theenclosedinitialnotification isprovidedinaccordance with10CFRPart21,Reporting ofDefectsandNoncompliance, Section21(d)(3){i),whichrequires"Initialnotification byfacsimile".

writtennotification, inaccordance with10CFRPart21,Section21{d)(3)(ii),willbeprovidedbyJune16,1999.Verytrulyyours,Q.dshA.Wida.Enclosures 9905280047 990517PDRADOCK050002448 10CFR21INITIALFACSIMILE NOTIFICATION

'NAMEANDADDRESSOFTHEINDIVIDUAL INFORMING THECOMMISSZO¹ NAME:JosephA.WidayPlantManagerADDRESS:Rochester Gas&ElectricCorporation 89EastAvenueRochester, New-York14649IDENTIFICATI9N OFTHEFACILITY'HE ACTIVITY'R THEBASICCOMPONENT SUPPLIEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:Thebasiccomponent istheNBPD65NRControlRelay,suppliedbyEATONCorporation, Inc.Thiscomponent wasPurchased SafetyRelatedforuseinvariouslocations atGinnaStation.IDENTIFICATION OFTHEFIRMCONSTRUCTING THEFACILITYORSUPPLYING THEBASICCOMPONENT WHICHFAILSTOCOMPLYORCONTAINSADEFECTsTheRelaysweresuppliedtoRG&EbyEATONCorporation EATONCorporatiod.

Inc.21SouthStDanbury,Ct06810NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYRLSARDWHICHXSCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLYhe natureofthedefectconsisted ofamanufacturing deficiency.

Uponinvestigation, byEATON,itwasdetermined thattherelaycoilhadbeenincorrectly wiredsuchthattheinternalrelaydesign,whichincludesapickupandaholdcoil,wouldopposeeachotheratlowervoltagesandprohibitholdingcoilactuation whichresultedinexcessive relaychatter.Theincorrect wiringwasattributed toinsufficient trainingandsubsequent poorworkmanship ofanewemployee.

Thefactorytestingdidnotdetectthechattering relays.Thedeficiency wasdetectedbyRG&Eduringpre-installation testingpriortoinstallation intoreactortriplogic.Noactualsafetyhazardexisted.

THEDATEONERICHTHEZNFORMJiTZON OFSUCHDEFECTORFAILURETOCOMPLYWASOBTAXNIlD~

The'infoxmation wasobtainedonApril2,1999,duringthepre-installation testingoftherelays.INTHECASEOFABASICCOMPONENT WHICHCONTAINSADEFECTORFAXLSTOCOMPLYITHENUMBERANDLOCATIONOFALLSUCHCOMPONENTS INUSEAT,SUPPLXEDFORpORBEINGSUPPLXEDFORGXNNASTATIONSTherearenumerousNBFD65NRrelays,permanently installed atGinnaStation.Noneofthedeficient relayswereinstalled.

THECORRECTXVE ACTXON7%1CHHASPEEN'SBEINQsORRILLBETAKEN;THENAMgOFTHEXNDIVZDUAL ORORGANISATION RESPONSXBLE FORTHEACTIONSANDTHELENGTHOFTIMETHATHASBEENORNXLLBETAKENTOCOMPLETETHEACTIONSAfterthedeficiency wasdiscovered byRG&E,therelayswerereturnedtoEATONforevaluation androotcauseanalysis.

AnRG&EQAEngineerwaspresentduring'therootcauseinvestigation.

AtEATON'sfactory,itwasdiscovered thatoneofthetworelaycoilswaswiredupbackwards onalltherelaysinquestion.

TherelaysweretestedbyEATONandpassedtheirbenchtest,butthefactorynoisemaskedthesoundoftherelayschattering.

Therelayswererepairedandretestedusingenhancedtestprocedures whichincludedcheckingforrelaychatter.RG&Ehaschangedtheirvendorrequirements toincludeSourceSurveillance onfutureorderswithEATON.RG&Ewillperformreceipttestingof'elayspurchased fromEATON.ANYADVICERELATEDTOTHEDEFECTORFAILURETOCOMPLYABOUTTHEFACZLXTY,

ACTIVITY, ORBASICCOMPONENT THATHASBEEN,ISBEING,ORWILLBEGIVENTOPURCHASERS ORLICENSEES<

RG&E'sadvicewouldbetoperformreceiptinspection testingofrelaysorperformasourcesurveillance ofthevendor'stestingpractices.

TOTRLP.84

ROCHFSTER GA8ANDELECTRICCORPORA7IONR.E.GINNhNUCLEARPOKERPIANOSGieutWfnfstrnli pn1503DtkcR08Onbvfo,HY10519ContactName:CompanyName:TelecopyNumber:Sender:Description:

Numberofpages,includlrfg coversheet:0.S.:lfyouhavenotreceivedallpages,orifyouhaveanyquestions orproblemswithreceiving, contact:SharonSortinoorWendyMerkelVerification Number:716-771-3548 or716-771-3102 TelecopyNumber:716-771-3943

,ROCHESTER GA8ANDEI.ECTRIC CORPORAT/ONR.E.GINNhNUCLEARPOKERPEDANTGieut~Mtratisn 1503En&W806trf0,NY1%519ContactName:CompanyName:TelecopyNumber:Sender:Description:

Numberofpages,including coverskeet:DateSent:Ifyouhavenotreceivedallpages,orifyouhaveanyquestions orproblemswithreceiving, contact:SharonSortinoorWendyMerkelVerification Number:716-771-3548 or716-771-3102 TelecopyNumber:716-771-3943

0$flh'1999U.S.NuclearRegulatory Cotnntlsslon Operations CenterEventReport~PaelPowerReactorEvent035731Site:GINNAUnit:1ReactorType:(1)W-2-LPContainment Type:DRYAMBNotification Date/Time:05/18/1999 12:47(EDT)Region'.1State:NYEventDate/Time:05/18/1999 (EDT)LastModification:

05/18/1999 UNSPECIFIED PARAGRAPH NRCNotifiedby:

JOSEPHA.WIDAY(VIA FHQOpsOfficer.STEVESANDINEmergency Class:NONEMERGENCY 10CFRSection:21.21Notifications:

PETERESELGROTH R1VERNHODGENRRUnitScramCodeRXCritInitPowerYes98InitialRXModePowerOperation 98PowerOperation CurrPowerCurrentRXModeDEFICIENT CONTROLRELAYSIDENTIFIED DURINGPRE-INSTALLATION TESTING.ON4/2/99,THELICENSEEIDENTIFIED THATCONTROLRELAYS(NBF065NR)

MANUFACTURED BYEATONCORPORATION CONTAINED AMANUFACTURING DEFICIENCY, I.E.,"THERELAYCOILHADBEENINCORRECTLY WIREDSUCHTHATTHEINTERNALRELAYDESIGN,WHICHINCLUDESAP(CKUPANDAHOLDCOlL,WOULDOPPOSEEACHOTHERATLOWERVOLTAGESANDPROHIBITHOLDINGCOILACTUATION WHICHRESULTEDINEXCESSIVE RELAYCHATTER."

THISDEFECTWASIDENTIFIED DURINGPRE-INSTAI LATIONTESTINGPRIORTOUSEINTHEREACTORTRIPLOGIC.NODEFICIENT RELAYSAREINSTALLED.

ROCHESTER GASANOEIECTRICCORPORATIOI 89EASTAVEIIIUE, ROCHESTER, NV<4&94OO~hREACOOE716.54S.2700 May17,1999U.S.NuclearRegulatory Commission Operations CenterFacsimile Number301-816-5151 Telephone Number301-816-5100

Subject:

InitialNotification of10CPRPart21DefectR.E.GinnaNuclearPowerPlantDocketNo.50-244Theenclosedinitialnotification isprovidedinaccordance with10CFRPart21,Reporting ofDefectsandNoncompliance, Section21(d)(3)(i),whichrequires"Initialnotification byfacsimile".

Writtennotification, inaccordance with10CFRPart21,Section21(d)(3)(ii),willbeprovidedbyJune16,1999.Verytrulyyours,a.dshA.WidaEnclosures

10CFR21INITI.'0FACSIMILE NOTIFICATION, NAMEANDADDRESSOFTHEXNDXUIDUAL XNFORMING THECOMMISSXONs NAME:ADDRESS:JosephA.NidayPlantManagerRochester Gas&ElectricCorporation 89EastAvenueRochester, NewYork14649ZZ.IDENTIFXCATION OFTHEFACILITY, THEACTIVZTY, ORTHEBASICCOMPONENT SUPPLZEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:Thebasiccomponent istheNBFD6SNRControlRelay,suppliedbyEATONCorporation, Inc.Thiscomponent wasPurchased SafetyRelatedforuseinvariouslocations atGinnaStation.III.IDENTIFICATXON OFTHEFXRMCONSTRUCTZNQ THEFACILITYORSUPPLYING THEBASICCOMPONENT WHICHFAILSTOCOMPLYORCONTAINSADEFECTsIV-TheRelaysweresuppliedtoRG&EbyEATONCorporation EATONCorporation Inc.21SouthStDanbury,Ct06810,NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYHAZARDNBXCHXSCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLYtThenatureofthedefectconsisted ofamanufacturing deficiency.

Uponinvestigation, byEATON,itwasdetermined thattherelaycoilhadbeenincorrectly wiredsuchthattheinternalrelaydesign,whichincludesapickupandaholdcoil,wouldopposeeachotheratlowervoltagesandprohibitholdingcoilactuation whichresultedinexcessive relaychatter.Theincorrect wiringwasattributed toinsufficient trainingandsubsequent poorworkmanship ofanewemployee.

Thefactorytestingdidnotdetectthechattering relays.Thedeficiency wasdetectedbyRG&Eduringpre-installation testingpriortoinstallation intoreactortriplogic.Noactualsafetyhazardexisted.

THEDATEONWHICHTHEINFORMATION OFSUCHDEFECTORFAILURETQCOMPLYWASOBTAXNRDa The'nformation wasobtainedonApril2,1999,duringthepre-installation testingoftherelays.INTHECASEOFABASICCOMPONENT WHXCHCONTAINSADEFECTORFAXLSTQCOMPLYITHENUMBERANDLOCATIONOFALLSUCHCOMPONENTS INUSEAT,SUPPLXEDFORORBEXNGSUPPLIEDFQRGZNNASTATIONSTherearenumerousNBPD65NRrelays,permanently installed atGinnaStation.Noneofthedeficient relayswereinstalled.

THECORRECTIVE ACTXONWHICHHASBEEN,ISBEING,OR'WILLBETARENgTHENAKEOlPTHEXNDXUXDUAL ORQRGANXEATXON RESPQNSXBLE FORTHEACTIONSANDTHELENGTHOPTIMETHATHASBEENORWXLLBETAKENTOCOMPLETETHEACTION!Afterthedeficiency wasdiscover'ed byRG&E,therelayswerereturned, toEATONforevaluation androotcauseanalysis.

AnRG&EQAEngineerwaspresentduringtherootcauseinvestigation.

AtEATON'sfactory,itwasdiscovered thatoneofthetworelaycoilswaswiredupbackwards onalltherelaysinquestion.

TherelaysweretestedbyEATONandpassedtheirbenchtest,butthefactorynoisemaskedthesoundoftherelayschattering.

Therelayswererepairedandretestedusingenhancedtestprocedures whichincludedcheckingforrelaychatter.RG&Ehaschangedtheirvendorrequirements toincludeSourceSurveillance onfutureorderswithEATON.RG&Ewillperformreceipttestingofrelayspurchased fromEATON.ANYADVICERELATEDTOTHE'DEFECT ORFAILURETQCOMPLYABOUTTHEFACILITY,

ACTIVITY, ORBASXCCOMPONENT THATHASBEEN,ISBEING,ORWILLBEGIVENTOPURCHASERS QRLICENSEES'G&E's advicewouldbetoperformreceiptinspection testingofrelaysorperformasourcesurveillance.

ofthevendor'stestingpractices.

TOTRLP.84