ML17265A655

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Initial Part 21 Rept Re Mfg Deficiency in Replacement Turbocharger for B EDG Supplied by Coltec Industries. Deficiency Consisted of Missing Drain Port in Intermediate Casing.Required Oil Drain Port Machined Open
ML17265A655
Person / Time
Site: Ginna 
Issue date: 04/09/1999
From: WIDAY J A
ROCHESTER GAS & ELECTRIC CORP.
To:
NRC
References
REF-PT21-99 NUDOCS 9905240075
Download: ML17265A655 (7)


Text

REGULATYINFORMATIONDISTRIBUTIOSYSTEM(RIDS)ACCESSIONNBR:9905240075DOC.DATE:99/04/09NOTARIZED:NOFACIL:50-244RobertEmmetGinnaNuclearPlant,Unit1,RochesterGARITH.N~EAUTHORAFFILXATIONWIDAY,J.A.RochesterGas&,ElectricCorp.RECIP.NAMERECIPIENTAFFILIATIONNRC-NoDetailedAffiliationGivenDOCKET05000244

SUBJECT:

Part21reptredeficiencyinreplacementturbochargerfor"B"EDG.Deficiencyconsistedofmissingdrainportinintermediatecasingonturbineend.Turbochargerdisassemble.'IDXSTRXBUTIONCODE:IE19TCOPIESRECEIVED:LTR(ENCL(SIZE:TITLE:Part21Rept(50DKT)NOTES:LicenseExp"dateinaccordancewith10CFR2,2.109(9/19/72).05000244ERECIPIENT.IDCODE/NAMELPD1-1PDCOPIESLTTRENCL11RECIPIENTIDCODE/NAMEVISSING,G.COPIESLTTRENCL11INTERN.ILECENTERRWARD,M.RGN1RGN3.EXTERNAL:INPORECORDCTRNRCPDR,111111111111NRR/DRIP/REXBRES/DET/EXBRGN2RGN4NOACSILVER,ENUDOCSFULLTXT11111.1111111D'ENOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE.'TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION,CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415-2083FULLTEXTCONVERSIONREQUIREDTOTALNUMBEROFCOPIESREQUIRED:LTTR14ENCL14 1

FPR&9-199914:18~CiGINNASTATION7167713988P.81~ROCHESTERGASANDELECTRICCORPDRATTON89EAS7AVENUE,ROCHESTER,N.Y.14H&%01AREACODE71&548.27MApril9,1999U.S.NuclearRegulatoryCommissionOperationsCenterFacsimileNumber301-816-5151TelephoneNumber301-816-5100Sub)ect:ZnitialNotificationof10CFRPart21DefectR.E.GinnaNuclearPowerPlantDocketNo.50-244Inaccordancewith10CFRPart21,ReportingofDefectsandNoncompliance,Section21(d)(3)(i),whichrequires~Initialnotificationbyfacsimile",theenclosedinitialnotificationisprovided.Mrittennotification,inaccordancewith10CPRPart21,Section21(d)(3)(ii),willbeprovidedbyMay7,1999.verytrulyyours,a..dsehA.WidayEnclosure9905240075990409PDRADQCK050002448PDR800(P)OOHKLOSdOOHNTSTS9T8TOCQSZ:VT66/60/%0 RPR-89-199914:185TATlEN7167713988P.82/8410CFR21XNlTlALFACSIMILENOTIFICATIONNAMEANDADDRESSOFTHEINDIVIDUALINFORMINGTHECOMMISSION:NAME:ADDRESS:JosephA.WidayPlantManagerRochesterGae&ElectricCorporationS9EastAvenueRochester,NewYork14649IDENTIFICATIONOFTHEFACILITYTHEACTIVITY~ORTHEBA'SICCOMPONENTSUPPLIEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:Thebasiccomponentistheturbocharger(Model730),installedonthe"B"EmergencyDieselGenerator(ALCOModel16-251F)atGinnastation.Areplacementturbochargerwasinstalledonthe"B"EmergencyDieselGenerator(EDG)onMarch25,1999.XII.IDENTIFICATIONOFTHEFIRMCONSTRUCTINGTHEFACILITYORSUPPLYINGTHEBASICCOMPONENTWHICHFAILSTOCOMPLYORCONTAINSADEFECT:TheturbochargerwassuppliedtoRG&EbyColtecIndustries.ColteeXndustrieeFairbanksNorse/ALcoEngineDivision701WhiteAvenueBeloit,WI53511NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYHAZARDWHICHZSCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLY:Thenatureof.thedefectconsistedofamanufacturingdeficiencyinthereplacementturbochargerforthe"B"EDG.Thedeficiencyconsistedofamissingdrainportintheintermediatecasingontheturbineend,preventingenginelubricatingoilfrombeingabletodrainbacktotheenginesumpfromtheturbochargershaftandbearings.Thisdeficiencycreatedtheconditionwhereenginelubeoilwasbeingdirectedintocylindersthroughtheexhaustmanifoldpiping.Withoilinthecylinders,theenginecouldhavebeenseriouslydamagedwhenstarted.Thiswouldhaveresultedinalossofredundancyintheon-sitesourcesof480VACpower.Page2>005OOHELOSdOOHhlTSTSST8TOCK@SZ:0TBB/60/10 APR-89-199914:18GINNRSTRTION7167713988P.83<84TheEDGwasnotoperableatthistime,however,thepre-lubesystemwasinoperation.The"B"EDGwasbeingpreparedforpost-maintenancetestingonMarch29,1999,whiletheplantwasdefueled.Noactualsafetyhazardexisted,becausethepost-maintenancetestinghadnotbeenperformed.V.THEDATEONWHICHTHEINFORMATIONOFSUCHDEFECTORFAILURETOCOMPLYWASOBTAINED:TheinformationwasobtainedonMarch30,1999,followingdisasssemblyoftheturbocharger.VZ.INTHECASEOFABASICCOMPONENTNiZCHCONTAINSADEFECTORFAILSTOCOMPLYiTHENUMBERANDLOCATIONOFALLSUCHCOMPONENTSINUSEAT,SUPPLIEDFOR,ORBEINGSUPPLIEDFORGINNASTATION:Thereare2(two),permanentlyinstalledEDGsatGinnaStation.Onlythe"B"EDGwasprovide4withareplacementturbocharger,whichwasfoundtocontainthemanufacturingdeficiencystatedinIV.above.Theturbochargeronthe"A"EDGwasnotreplaced,anddoesnotcontainthestateddeficiency.VII.THECORRECTIVEACTIONWHICHHASBEEN,ISBEING,ORHILLBETAKEN;THENAMEOFTHEINDIVIDUALORORGANIZATIONRESPONSIBLEFORTHEACTION;ANDTHELENGTHOFTIMETHATHASBEENORRILLBETAKENTOCOMPLETETHEACTION:Thecorrectiveactiontakenwastodisassembletheturbocharger.Duringdisassembly,thedeficiencywasdiscovered.Underthesupervisionofthemanufacturer'srepresentative,therequiredoildrainportwasmachinedopen,theturbochargerreassembled,andreinstalledonthe"B"EDG.Post-maintenanceandoperabilitytestingwassuccessfullyperformedandthe"B"EDGdeclaredoperableonApril2,1999.PersonnelfromRochesterGasandElectricNuclearEngineeringServiceswereresponsibleforthecorrectiveaction.CorrectiveactionswerecompletedonApril2,1999.Page3sool5OOIIHLOSdOQHMTSTS9T8TOCK'8:%T66/60/%0 APR-89"199914:11Gll+ASTATIONVIZZ.ANYADVICEREIATEDTOTHEDEFECTORFAILURETOCOMPLYABOUTTHEFACILITY,ACTIVITY'RBASICCOMPONENTTHATHASBEEN,ZSBEINGSORWILLBEGIVENTOPURCHASERSORLICENSEES:Amissingoildrainportcannotbeobservedwithoutdisassemblyoftheturbocharger.Znnuclearserviceapplications,theuseofaColtecIndustriesModel730turbochargerontheALCO251engineisuniquetoGinnaStation.OrganizationsprocuringorinstallingturbochargerssuppliedbyColtecIndustriesunderanAppendixBprogramshouldconsiderthepotentialforthisdeficiency.Page4900@OOHKLOS80OHNTOTRLP.84TSTSST8T08LK:tT66/60/%0

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