ML17261B085

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Forwards LER 89-016-02 Re 891117 Failure of Safety Injection Block/Unblock Switch Which Could Render Both Trains of Safety Injection Sys Inoperable.Also Reported Per Part 21
ML17261B085
Person / Time
Site: Ginna Constellation icon.png
Issue date: 06/28/1990
From: MECREDY R C
ROCHESTER GAS & ELECTRIC CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17261B086 List:
References
REF-PT21-90 NUDOCS 9007090051
Download: ML17261B085 (2)


Text

ACCELERATEDDISTRIBUTIONDEMONSTPJ!!.TIONSYSTEMREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)ACCESSIONNBR:9007090051DOC.DATE:90/06/28NOTARIZED:NODOCKETgFACIL:50-244RobertEmmetGinnaNuclearPlant,"Unit1,RochesterG05000244AUTH.NAMEAUTHORAFFILIATIONMECREDY,R.C.RochesterGas&ElectricCorp.RECIP.NAMERECIPIENTAFFILIATION,DocumentControlBranch(DocumentControlDesk)RD,)S05000244/NOTES:LicenseExpdateinaccordancewith10CFR2,2.109(9/19/72).

SUBJECT:

ForwardsLER89-016-02re891117designdeficiencyfailureofSIblock/unblockswitchcouldrendersomeAAFinoperable.DISTRIBUTIONCODE:IE28TCOPIESRECEIVED:LTRJENCL$SIZE:I+TITLE:LicenseeEventReport(LER)6Part21ReptCombination(50DktRECIPIENTIDCODE/NAMEPD1-3LAJOHNSON,AINTERNAL:ACNWAEOD/DSP/TPABDEDRONRR/ADP/DRP14E4NRR/DET/ECMB9HNRR/DET/ESGBSDNRR/DLPQ/LPEB10NRR/DOEA/OGCB11NRR/DREP/PRPB11NRR/DRIS/RVIB9DNRR/DST/SELBSDNRR/DST/SPLBSD1NSICSILVER,EREGION1REGION3REGION5RES/DSR/HFB/HFSRGN1FILE01EXTERNAL:EGGGSTUART,V.ALSTLOBBYWARDNRCPDRNSICMURPHY,G.ACOPIESLTTRENCL1111221111111111111122111111111111l.11'1144111111RECIPIENTIDCODE/NAMEPD1-3PDAEOD/DOAAEOD/ROAB/DSPIRMTECHADVNRR/ADSPDIRNRR/DET/EMEB9H3NRR/DLPQ/LHFB11NRR/DOEA/OEABllNRR/DREP/PRAB10NRR/DRIS/RSIB9ANRR/DST8E2NRR/DST/SICB7E~ST/W~BSE,02REGION2REGION4RES/DSIR/EIBRES/DSR/PRABINPORECORDCTRLPDRNSICMAYS,GNUDOCSFULLTXTCOPIESLTTRENCL1111221111111111111110111111111'111111111111ADDSRDNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED!DDFULLTEXTCONVERSIONREQUIREDTOTALNUMBEROFCOPIESREQUIRED:LTTR52ENCL51 0l,l;toadI:,yg~51ml(ROCHESTERGASANDELECTRICCORPORATION~89EASTAVENUE,ROCHESTER,N.Y.14649-0001tfgg0eeC~fA~cicoocr>o5462700June28,1990U.S.NuclearRegulatoryCommissionDocumentControlDeskWashington,DC20555

Subject:

LER89-016(Revision02),DueToaDesignDeficiencyTheFailureoftheSIBlock/UnblockSwitchCouldRenderSomeAutomaticActuationFeaturesofBothTrainsofSIInoperableR.E.GinnaNuclearPowerPlantDocketNo.50-244Inaccordancewith10CFR50.73,LicenseeEventReportSystem,item(a)(2)(v)(D)and(a)(2)(vi),whichrequiresareportof,"anyeventorconditionthatalonecouldhavepreventedthefulfillmentofthesafetyfunctionofstructuresorsystemsthatareneededtomitigatetheconsequencesofanaccident",andinaccordancewith10CFR'-1,"ReportingofDefectsandNoncom-pliances",theattachedLicenseeEventReportLER89-016(Revision02)isherebysubmitted.Thisrevisionisnecessarytoaddadditionalinformationobtainedasaresultofareviewoftheapplicationofsimilarswitches.Duetothedateoftheoriginalinstallation(1969),theconditionistechnicallynot10CFR21reportable.However,duetothepotentialsignificanceofthefailurescenario,RochesterGas&Electricissubmittingvoluntarynotification.SpecificinformationregardingfailureidentificationandcorrectiveactionscanbeobtainedfromMr.RichardA.Baker,ElectricalEngineering,on(716)546-2700.Thiseventhasinnowayaffectedthepublic'shealthandsafety.Verytrulyyours,RobertC.MecdyDivisionManagerNuclearProductionXC~U.S.NuclearRegulatoryCommissionRegionI475AllendaleRoadKingofPrussia,PA19406GinnaUSNRCSeniorResidentInspector90070'r0051900628PDRADOCK050002448FDC