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{{#Wiki_filter:CATEGORY1REGULA'INFORMATIONDISTRIBUTIO~SYSTEM(RIDS)JACCESSIONNBR:9905140213DOC.DATE:99/05/07NOTARIZED:NODOCKET¹FACIL:50-244RobertEmmetGinnaNuclearPlant,Unit1,RochesterG05000244AUTH.NAMEAUTHORAFFILIATIONMECREDY,R.C.RochesterGasSElectricCorp.RECIP.NAMERECIPIENTAFFILIATIONVISSING,G.S.
{{#Wiki_filter:CATEGORY1REGULA'INFORMATION DISTRIBUTIO~
SYSTEM(RIDS)JACCESSION NBR:9905140213 DOC.DATE:
99/05/07NOTARIZED:
NODOCKET¹FACIL:50-244 RobertEmmetGinnaNuclearPlant,Unit1,Rochester G05000244AUTH.NAMEAUTHORAFFILIATION MECREDY,R.C.
Rochester GasSElectricCorp.RECIP.NAME RECIPIENT AFFILIATION VISSING,G.S.


==SUBJECT:==
==SUBJECT:==
Part21reptrereplacementturbochargerexhaustturbinesidedrainportnotfunctioningasdesignintended.Causedbymanufacturingdeficiency.Turbochargerwasreaasembled'Screinstalledon"B"EDG.DISTRIBUTIONCODE:IE19TCOPIESRECEIVED:LTRENCLSIZE:TITLE:Part21Rept(50DKT)NOTES:LicenseExpdateinaccordancewith10CFR2,2.109(9/19/72).05000244ATERECIPIENTIDCODE/NAMELPD1-1INTE:FILEENTER01DRWARD,M.RGN1.RGN3COPIESLTTRENCL1111111111RECIPIENTIDCODE/NAMEVISSING,G.NRR/DRIP/REXBRES/DET/EIBRGN2RGN4COPIESLTTRENCL1111111111EXTERNAL:INPORECORDCTRNRCPDR1111NOACSILVER,ENUDOCSFULLTXT1111D'ENOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE.'TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATIONSCONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415-2083FULLTEXTCONVERSIONREQUIREDTOTALNUMBEROFCOPIESREQUIRED:LTTR14ENCL14  
Part21reptrereplacement turbocharger exhaustturbinesidedrainportnotfunctioning asdesignintended.
~O4NDROCHESTERGASANDELECTRICCORPORATION~89EASTAVENUE,ROCHESTER,N.Yld6rI90001AREACODE71654'6-2700ROBERTC.MECREDYVicePresidentNvctearOperationsMay7,1999U.S.NuclearRegulatoryCommissionDocumentControlDeskAttn:GuyS.VissingProjectDirectorateI-1Washington,D.CD20555
Causedbymanufacturing deficiency.
Turbocharger wasreaasembled'Sc reinstalled on"B"EDG.DISTRIBUTION CODE:IE19TCOPIESRECEIVED:LTR ENCLSIZE:TITLE:Part21Rept(50DKT)NOTES:License Expdateinaccordance with10CFR2,2.109(9/19/72)
.05000244ATERECIPIENT IDCODE/NAME LPD1-1INTE:FILEENTER01DRWARD,M.RGN1.RGN3COPIESLTTRENCL1111111111RECIPIENT IDCODE/NAME VISSING,G.
NRR/DRIP/REXB RES/DET/EIB RGN2RGN4COPIESLTTRENCL1111111111EXTERNAL:
INPORECORDCTRNRCPDR1111NOACSILVER,ENUDOCSFULLTXT1111D'ENOTETOALL"RIDS"RECIPIENTS:
PLEASEHELPUSTOREDUCEWASTE.'TO HAVEYOURNAMEORORGANIZATION REMOVEDFROMDISTRIBUTION LISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATIONS CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION 415-2083FULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED:
LTTR14ENCL14  
~O4NDROCHESTER GASANDELECTRICCORPORATION
~89EASTAVENUE, ROCHESTER, N.Yld6rI90001AREACODE71654'6-2700 ROBERTC.MECREDYVicePresident NvctearOperations May7,1999U.S.NuclearRegulatory Commission DocumentControlDeskAttn:GuyS.VissingProjectDirectorate I-1Washington, D.CD20555


==Subject:==
==Subject:==
Line 27: Line 39:


==DearMr.Vissing:==
==DearMr.Vissing:==
Theattached10CFR21reportisherebysubmittedinaccordancewith10CFRPart21,ReportingofDefectsandNoncompliance,Section21(d)(3)(ii),whichrequires"WrittennotificationtotheNRC...ontheidentificationofadefectorafailuretocomply".Verytrulyyours,RobertC.Mecedyxc:Mr.GuyS.Vissing(MailStopSC2)ProjectDirectorateI-1DivisionofReactorProjects-I/IIOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555RegionalAdministrator,RegionIU.S.NuclearRegulatoryCommission475AllendaleRoadKingofPrussia,PA19406U.S.NRCGinnaSeniorResidentInspector99oSX40Z1399O5O7PDRADOCK05000244SPDRs llh 10CFR2130DAYWRITTENREPORTNAMEANDADDRESSOFTHEINDIVIDUALINFORMINGTHECOMMISSION:NAME:ADDRESS:RobertC.MecredyVicePresidentNuclearOperationsGroupRochesterGas8ElectricCorporation89EastAvenueRochester,NewYork14649II~IDENTIFICATIONOFTHEFACILITYITHEACTIVITYORTHEBASICCOMPONENTSUPPLIEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:ThebasiccomponentistheALCOturbocharger(Model730),installedonthe"B"EmergencyDieselGenerator(ALCOModel16-251F)atGinnaStation.Areplacementturbochargerwasinstalledonthe"B"EmergencyDieselGenerator(EDG)onMarch25,1999.III.IDENTIFICATIONOFTHEFIRMCONSTRUCTINGTHEFACILITYORSUPPLYINGTHEBASICCOMPONENTWHICHFAILSTOCOMPLYORCONTAINSADEFECT:TheturbochargerwassuppliedtoRGSEbyColtecIndustries.ColtecIndustriesFairbanksMorse/ALCOEngineDivision701WhiteAvenueBeloit,WX53511ColtecprocuredtheturbochargerfromElliotTurbochargerGroupasacommercialitemandperformedaCommercialGradeDedicationpriortoprovidingittoRochesterGasandElectricasanAppendixBcomponent.
Theattached10CFR21reportisherebysubmitted inaccordance with10CFRPart21,Reporting ofDefectsandNoncompliance, Section21(d)(3)(ii),whichrequires"Writtennotification totheNRC...ontheidentification ofadefectorafailuretocomply".Verytrulyyours,RobertC.Mecedyxc:Mr.GuyS.Vissing(MailStopSC2)ProjectDirectorate I-1DivisionofReactorProjects-I/IIOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555RegionalAdministrator, RegionIU.S.NuclearRegulatory Commission 475Allendale RoadKingofPrussia,PA19406U.S.NRCGinnaSeniorResidentInspector 99oSX40Z13 99O5O7PDRADOCK05000244SPDRs llh 10CFR2130DAYWRITTENREPORTNAMEANDADDRESSOFTHEINDIVIDUAL INFORMING THECOMMISSION:
IV.NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYHAZARDWHICHISCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLY:Thenatureofthedefectconsistedofamanufacturingdeficiencyinthereplacementturbochargerforthe"B"EDG.Themachiningofadrainportintheexhaustturbinesideoftheintermediatecasingwasomitted,preventingenginelubricatingoilfrombeingabletodrainbacktotheenginesumpfromtheturbochargershaftandbearings.Therefore,thereplacementturbochargerexhaustturbinesidedrainportdidnotfunctionasthedesignintended.Thisdefectcreatedtheconditionwhereenginelubeoilwasbeingdirectedintocylindersthroughtheexhaustmanifoldpiping.Withoilinthecylinders,theenginecouldhavebeenseriouslydamagedwhenstarted.Thiswouldhaveresultedinalossofredundancyintheon-sitesourcesof480VACpower.However,theEDGwasnotoperableatthetimethedefectwasdiscovered.Thedeficiencywasfirstindicatedwhenthepre-lubesystemwasinoperation.The"B"EDGwasbeingpreparedforpost-maintenancetestingonMarch29,1999,whiletheplantwasdefueled.Noactualsafetyhazardexisted,becausethepost-maintenancetestinghadnotbeenperformed.V.THEDATEONWHICHTHEINFORMATIONOFSUCHDEFECTORFAILURETOCOMPLYWASOBTAINED:TheinformationwasobtainedonMarch30,1999,followingdisasssemblyoftheturbocharger.VI.INTHECASEOFABASICCOMPONENTWHICHCONTAINSADEFECTORFAILSTOCOMPLY,THENUMBERANDLOCATIONOFALLSUCHCOMPONENTSINUSEATgSUPPLIEDFORgORBEINGSUPPLIEDFORGINNASTATION:Thereare2(two),permanentlyinstalledEDGsatGinnaStation.Onlythe"B"EDGwasprovidedwithareplacementturbocharger,whichwasfoundtocontainthemanufacturingdeficiencystatedinIV.above.Theturbochargeronthe"A"EDGwasnotreplaced,anddoesnotcontainthestateddeficiency.
NAME:ADDRESS:RobertC.MecredyVicePresident NuclearOperations GroupRochester Gas8ElectricCorporation 89EastAvenueRochester, NewYork14649II~IDENTIFICATIONOFTHEFACILITYITHEACTIVITYORTHEBASICCOMPONENT SUPPLIEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:Thebasiccomponent istheALCOturbocharger (Model730),installed onthe"B"Emergency DieselGenerator (ALCOModel16-251F)atGinnaStation.Areplacement turbocharger wasinstalled onthe"B"Emergency DieselGenerator (EDG)onMarch25,1999.III.IDENTIFICATION OFTHEFIRMCONSTRUCTING THEFACILITYORSUPPLYING THEBASICCOMPONENT WHICHFAILSTOCOMPLYORCONTAINSADEFECT:Theturbocharger wassuppliedtoRGSEbyColtecIndustries.
VII~THECORRECTIVEACTIONWHICHHASBEEN~XSBEXNGgORWILLBETAKEN;THENAMEOFTHEINDXVIDUALORORGANIZATIONRESPONSIBLEFORTHEACTION;ANDTHELENGTHOFTIMETHATHASBEENORWILLBETAKENTOCOMPLETETHEACTION:Thecorrectiveactiontakenwastoremovethenewreplacementturbochargerfromthe"B"EDGanddisassembleandinspectit.Duringdisassembly,itwasdiscoveredthattheintendeddrainporthadnotbeenmachinedintotheintermediatecasing.Underthesupervisionofthemanufacturer'srepresentative,theintermediatecasingwasreworkedtooriginalrequirements,openingthedrainpath.Theturbochargerwasreassembledandreinstalledonthe"B"EDG.Post-maintenanceandoperabilitytestingwassuccessfullyperformedandthe"B"EDGdeclaredoperableonApril2,1999.PersonnelfromRochesterGasandElectricNuclearEngineeringServicesandfromGinnaStationMaintenanceDepartmentwereresponsibleforthecorrectiveaction,withtheassistanceofthemanufacturer'srepresentative.CorrectiveactionswerecompletedonApril2,1999.VIII.ANYADVICERELATEDTOTHEDEFECTORFAILURETOCOMPLYABOUTTHEFACILITY'CTIVITY'RBASICCOMPONENTTHATHASBEEN'SBEING,ORWILLBEGIVENTOPURCHASERSORLICENSEES:Amissingoildrainportcannotbeobservedwithoutdisassemblyoftheturbocharger.Innuclearserviceapplications,theuseofaColtecIndustriesModel730turbochargerontheALCO251engineisuniquetoGinnaStation.OrganizationsprocuringorinstallingturbochargerssuppliedbyColtecIndustriesunderanAppendixBprogramshouldconsiderthepotentialforthisdeficiency.ThisissuewillbediscussedatafuturemeetingoftheALCOOwners'roup.}}
ColtecIndustries Fairbanks Morse/ALCO EngineDivision701WhiteAvenueBeloit,WX53511Coltecprocuredtheturbocharger fromElliotTurbocharger Groupasacommercial itemandperformed aCommercial GradeDedication priortoproviding ittoRochester GasandElectricasanAppendixBcomponent.
IV.NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYHAZARDWHICHISCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLY:Thenatureofthedefectconsisted ofamanufacturing deficiency inthereplacement turbocharger forthe"B"EDG.Themachining ofadrainportintheexhaustturbinesideoftheintermediate casingwasomitted,preventing enginelubricating oilfrombeingabletodrainbacktotheenginesumpfromtheturbocharger shaftandbearings.
Therefore, thereplacement turbocharger exhaustturbinesidedrainportdidnotfunctionasthedesignintended.
Thisdefectcreatedthecondition whereenginelubeoilwasbeingdirectedintocylinders throughtheexhaustmanifoldpiping.Withoilinthecylinders, theenginecouldhavebeenseriously damagedwhenstarted.Thiswouldhaveresultedinalossofredundancy intheon-sitesourcesof480VACpower.However,theEDGwasnotoperableatthetimethedefectwasdiscovered.
Thedeficiency wasfirstindicated whenthepre-lubesystemwasinoperation.
The"B"EDGwasbeingpreparedforpost-maintenance testingonMarch29,1999,whiletheplantwasdefueled.
Noactualsafetyhazardexisted,becausethepost-maintenance testinghadnotbeenperformed.
V.THEDATEONWHICHTHEINFORMATION OFSUCHDEFECTORFAILURETOCOMPLYWASOBTAINED:
Theinformation wasobtainedonMarch30,1999,following disasssembly oftheturbocharger.
VI.INTHECASEOFABASICCOMPONENT WHICHCONTAINSADEFECTORFAILSTOCOMPLY,THENUMBERANDLOCATIONOFALLSUCHCOMPONENTS INUSEATgSUPPLIEDFORgORBEINGSUPPLIEDFORGINNASTATION:Thereare2(two),permanently installed EDGsatGinnaStation.Onlythe"B"EDGwasprovidedwithareplacement turbocharger, whichwasfoundtocontainthemanufacturing deficiency statedinIV.above.Theturbocharger onthe"A"EDGwasnotreplaced, anddoesnotcontainthestateddeficiency.
VII~THECORRECTIVE ACTIONWHICHHASBEEN~XSBEXNGgORWILLBETAKEN;THENAMEOFTHEINDXVIDUAL ORORGANIZATION RESPONSIBLE FORTHEACTION;ANDTHELENGTHOFTIMETHATHASBEENORWILLBETAKENTOCOMPLETETHEACTION:Thecorrective actiontakenwastoremovethenewreplacement turbocharger fromthe"B"EDGanddisassemble andinspectit.Duringdisassembly, itwasdiscovered thattheintendeddrainporthadnotbeenmachinedintotheintermediate casing.Underthesupervision ofthemanufacturer's representative, theintermediate casingwasreworkedtooriginalrequirements, openingthedrainpath.Theturbocharger wasreassembled andreinstalled onthe"B"EDG.Post-maintenance andoperability testingwassuccessfully performed andthe"B"EDGdeclaredoperableonApril2,1999.Personnel fromRochester GasandElectricNuclearEngineering ServicesandfromGinnaStationMaintenance Department wereresponsible forthecorrective action,withtheassistance ofthemanufacturer's representative.
Corrective actionswerecompleted onApril2,1999.VIII.ANYADVICERELATEDTOTHEDEFECTORFAILURETOCOMPLYABOUTTHEFACILITY'CTIVITY'R BASICCOMPONENT THATHASBEEN'SBEING,ORWILLBEGIVENTOPURCHASERS ORLICENSEES:
Amissingoildrainportcannotbeobservedwithoutdisassembly oftheturbocharger.
Innuclearserviceapplications, theuseofaColtecIndustries Model730turbocharger ontheALCO251engineisuniquetoGinnaStation.Organizations procuring orinstalling turbochargers suppliedbyColtecIndustries underanAppendixBprogramshouldconsiderthepotential forthisdeficiency.
Thisissuewillbediscussed atafuturemeetingoftheALCOOwners'roup.}}

Revision as of 12:33, 29 June 2018

Part 21 Rept Re Replacement Turbocharger Exhaust Turbine Side Drain Port Not Functioning as Design Intended.Caused by Manufacturing Deficiency.Turbocharger Was Reaasembled & Reinstalled on B EDG
ML17265A638
Person / Time
Site: Ginna Constellation icon.png
Issue date: 05/07/1999
From: MECREDY R C
ROCHESTER GAS & ELECTRIC CORP.
To: VISSING G S
NRC (Affiliation Not Assigned), NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
REF-PT21-99 NUDOCS 9905140213
Download: ML17265A638 (6)
v • d • e


Text

CATEGORY1REGULA'INFORMATION DISTRIBUTIO~

SYSTEM(RIDS)JACCESSION NBR:9905140213 DOC.DATE:

99/05/07NOTARIZED:

NODOCKET¹FACIL:50-244 RobertEmmetGinnaNuclearPlant,Unit1,Rochester G05000244AUTH.NAMEAUTHORAFFILIATION MECREDY,R.C.

Rochester GasSElectricCorp.RECIP.NAME RECIPIENT AFFILIATION VISSING,G.S.

SUBJECT:

Part21reptrereplacement turbocharger exhaustturbinesidedrainportnotfunctioning asdesignintended.

Causedbymanufacturing deficiency.

Turbocharger wasreaasembled'Sc reinstalled on"B"EDG.DISTRIBUTION CODE:IE19TCOPIESRECEIVED:LTR ENCLSIZE:TITLE:Part21Rept(50DKT)NOTES:License Expdateinaccordance with10CFR2,2.109(9/19/72)

.05000244ATERECIPIENT IDCODE/NAME LPD1-1INTE:FILEENTER01DRWARD,M.RGN1.RGN3COPIESLTTRENCL1111111111RECIPIENT IDCODE/NAME VISSING,G.

NRR/DRIP/REXB RES/DET/EIB RGN2RGN4COPIESLTTRENCL1111111111EXTERNAL:

INPORECORDCTRNRCPDR1111NOACSILVER,ENUDOCSFULLTXT1111D'ENOTETOALL"RIDS"RECIPIENTS:

PLEASEHELPUSTOREDUCEWASTE.'TO HAVEYOURNAMEORORGANIZATION REMOVEDFROMDISTRIBUTION LISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATIONS CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION 415-2083FULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED:

LTTR14ENCL14

~O4NDROCHESTER GASANDELECTRICCORPORATION

~89EASTAVENUE, ROCHESTER, N.Yld6rI90001AREACODE71654'6-2700 ROBERTC.MECREDYVicePresident NvctearOperations May7,1999U.S.NuclearRegulatory Commission DocumentControlDeskAttn:GuyS.VissingProjectDirectorate I-1Washington, D.CD20555

Subject:

10CFRPart2130DayReportR.E.GinnaNuclearPowerPlantDocketNo.50-244

DearMr.Vissing:

Theattached10CFR21reportisherebysubmitted inaccordance with10CFRPart21,Reporting ofDefectsandNoncompliance, Section21(d)(3)(ii),whichrequires"Writtennotification totheNRC...ontheidentification ofadefectorafailuretocomply".Verytrulyyours,RobertC.Mecedyxc:Mr.GuyS.Vissing(MailStopSC2)ProjectDirectorate I-1DivisionofReactorProjects-I/IIOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555RegionalAdministrator, RegionIU.S.NuclearRegulatory Commission 475Allendale RoadKingofPrussia,PA19406U.S.NRCGinnaSeniorResidentInspector 99oSX40Z13 99O5O7PDRADOCK05000244SPDRs llh 10CFR2130DAYWRITTENREPORTNAMEANDADDRESSOFTHEINDIVIDUAL INFORMING THECOMMISSION:

NAME:ADDRESS:RobertC.MecredyVicePresident NuclearOperations GroupRochester Gas8ElectricCorporation 89EastAvenueRochester, NewYork14649II~IDENTIFICATIONOFTHEFACILITYITHEACTIVITYORTHEBASICCOMPONENT SUPPLIEDFORSUCHFACILITYWHICHFAILSTOCOMPLYORCONTAINSADEFECT:Thebasiccomponent istheALCOturbocharger (Model730),installed onthe"B"Emergency DieselGenerator (ALCOModel16-251F)atGinnaStation.Areplacement turbocharger wasinstalled onthe"B"Emergency DieselGenerator (EDG)onMarch25,1999.III.IDENTIFICATION OFTHEFIRMCONSTRUCTING THEFACILITYORSUPPLYING THEBASICCOMPONENT WHICHFAILSTOCOMPLYORCONTAINSADEFECT:Theturbocharger wassuppliedtoRGSEbyColtecIndustries.

ColtecIndustries Fairbanks Morse/ALCO EngineDivision701WhiteAvenueBeloit,WX53511Coltecprocuredtheturbocharger fromElliotTurbocharger Groupasacommercial itemandperformed aCommercial GradeDedication priortoproviding ittoRochester GasandElectricasanAppendixBcomponent.

IV.NATUREOFTHEDEFECTORFAILURETOCOMPLYANDTHESAFETYHAZARDWHICHISCREATEDORCOULDBECREATEDBYSUCHDEFECTORFAILURETOCOMPLY:Thenatureofthedefectconsisted ofamanufacturing deficiency inthereplacement turbocharger forthe"B"EDG.Themachining ofadrainportintheexhaustturbinesideoftheintermediate casingwasomitted,preventing enginelubricating oilfrombeingabletodrainbacktotheenginesumpfromtheturbocharger shaftandbearings.

Therefore, thereplacement turbocharger exhaustturbinesidedrainportdidnotfunctionasthedesignintended.

Thisdefectcreatedthecondition whereenginelubeoilwasbeingdirectedintocylinders throughtheexhaustmanifoldpiping.Withoilinthecylinders, theenginecouldhavebeenseriously damagedwhenstarted.Thiswouldhaveresultedinalossofredundancy intheon-sitesourcesof480VACpower.However,theEDGwasnotoperableatthetimethedefectwasdiscovered.

Thedeficiency wasfirstindicated whenthepre-lubesystemwasinoperation.

The"B"EDGwasbeingpreparedforpost-maintenance testingonMarch29,1999,whiletheplantwasdefueled.

Noactualsafetyhazardexisted,becausethepost-maintenance testinghadnotbeenperformed.

V.THEDATEONWHICHTHEINFORMATION OFSUCHDEFECTORFAILURETOCOMPLYWASOBTAINED:

Theinformation wasobtainedonMarch30,1999,following disasssembly oftheturbocharger.

VI.INTHECASEOFABASICCOMPONENT WHICHCONTAINSADEFECTORFAILSTOCOMPLY,THENUMBERANDLOCATIONOFALLSUCHCOMPONENTS INUSEATgSUPPLIEDFORgORBEINGSUPPLIEDFORGINNASTATION:Thereare2(two),permanently installed EDGsatGinnaStation.Onlythe"B"EDGwasprovidedwithareplacement turbocharger, whichwasfoundtocontainthemanufacturing deficiency statedinIV.above.Theturbocharger onthe"A"EDGwasnotreplaced, anddoesnotcontainthestateddeficiency.

VII~THECORRECTIVE ACTIONWHICHHASBEEN~XSBEXNGgORWILLBETAKEN;THENAMEOFTHEINDXVIDUAL ORORGANIZATION RESPONSIBLE FORTHEACTION;ANDTHELENGTHOFTIMETHATHASBEENORWILLBETAKENTOCOMPLETETHEACTION:Thecorrective actiontakenwastoremovethenewreplacement turbocharger fromthe"B"EDGanddisassemble andinspectit.Duringdisassembly, itwasdiscovered thattheintendeddrainporthadnotbeenmachinedintotheintermediate casing.Underthesupervision ofthemanufacturer's representative, theintermediate casingwasreworkedtooriginalrequirements, openingthedrainpath.Theturbocharger wasreassembled andreinstalled onthe"B"EDG.Post-maintenance andoperability testingwassuccessfully performed andthe"B"EDGdeclaredoperableonApril2,1999.Personnel fromRochester GasandElectricNuclearEngineering ServicesandfromGinnaStationMaintenance Department wereresponsible forthecorrective action,withtheassistance ofthemanufacturer's representative.

Corrective actionswerecompleted onApril2,1999.VIII.ANYADVICERELATEDTOTHEDEFECTORFAILURETOCOMPLYABOUTTHEFACILITY'CTIVITY'R BASICCOMPONENT THATHASBEEN'SBEING,ORWILLBEGIVENTOPURCHASERS ORLICENSEES:

Amissingoildrainportcannotbeobservedwithoutdisassembly oftheturbocharger.

Innuclearserviceapplications, theuseofaColtecIndustries Model730turbocharger ontheALCO251engineisuniquetoGinnaStation.Organizations procuring orinstalling turbochargers suppliedbyColtecIndustries underanAppendixBprogramshouldconsiderthepotential forthisdeficiency.

Thisissuewillbediscussed atafuturemeetingoftheALCOOwners'roup.

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