ML17261A914

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Forwards LER 89-016-00 Re Possible Failure of Safety Injection Block/Unblock Switch Rendering Some Automatic Actuation Features of Both Trains of Safety Injection Inoperable.Also Reportable Per Part 21
ML17261A914
Person / Time
Site: Ginna Constellation icon.png
Issue date: 01/12/1990
From: MECREDY R C
ROCHESTER GAS & ELECTRIC CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17261A915 List:
References
REF-PT21-90-014-000 PT21-90-014-000, PT21-90-14, NUDOCS 9001240122
Download: ML17261A914 (3)


Text

ACCELERATED DTRZBUTION DEMONSATIONSYSTH.'vI REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9001240122 DOC.DATE:

90/01/12NOTARIZED:

NOFA'CIL:50-244 RobertEmmetGinnaNuclearPlant,Unit1,Rochester GAUTH.NAMEAUTHORAFFILIATION MECREDY,R.C.

Rochester Gas&ElectricCorp.RECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)DOCKET05000244

SUBJECT:

ForwardsLER89-016-00 refailureofSIblock/unblock switchcouldrendersomeautomatic featuresinoperable.

W/8ltr.DISTRIBUTION CODE:IE28TCOPIESRECEIVED:LTR ENCLSIZE:-"'I'NOTES:License Expdateinaccordance with10CFR2,2.109(9/19/72).

05000244/RECIPIENT IDCODE/NAME PD1-3LAJOHNSON,A INTERNAL:

ACRSMICHELSON ACRSWYLIEAEOD/DSP/TPAB

.DEDROIRM/DCTS/DAB NRR/ADSPDIRNRR/DET/EMEB9H3 NRR/DLPQ/LHFB11 NRR/DOEA/OEAB11 NRR/DREP/PRAB1 0NRR/DRIS/RSIB9A NRR/DST8E2NRR/DST/SICB 7ENRR/DST/SRXB 8ENUDOCS-ABSTRACT REGION1REGION3REGION5RES/DSIR/EIB RGN1FILE01COPIESLTTR"ENCL 11111111111111111111111111101111111111111111'ECIPIENT IDCODE/NAME

.PD1-3PDACRSMOELLERAEOD/DOAAEOD/ROAB/DSP IRMTECHADVNRR/ADP/DRP14E4 NRR/DET/ECMB 9HNRR/DET/ESGB 8DNRR/DLPQ/LPEB10 NRR/DOEA/OGCBll NRR/DREP/PRPB11 NRR/DRIS/RVIB9D NRR/DST/SELB 8DNRR/DST/SPLB8Dl ILVER,EREGIL50202REGION4RESMORISSEAU,D RES/DSR/PRAB COPIESLTTRENCL11221122111111111111221111111111111'1111DDEXTERNALEG&GWILLIAMSISLSTLOBBYWARDNRCPDRNSICMURPHY,G.A 44INFORECORDCTR11LPDR11NSICMAYS,G.11NUDOCSFULLTXT1..1111111'/DNOTETOALL"RIDS"RECIPIENIS:

PLEASEHELPUSTOREDUCEWASIZlCONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRIBUTION LISISFORDOCUMENTS YOUDON'TNEEDlDSFULL.TEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED:

LTTR56ENCL55 It gJ'QI'SIJ1CROCHESTER GASANOELECTRICCORPORATION o89EASTAVENUE,ROCHESTER, NK146490001TELC>~ONf.

AQUAcooa7ir5d62700January12,1990U.S.NuclearRegulatory Commission DocumentControlDeskWashington, DC20555Sub)ect:LER89-016,DueToaDesignDeficiency TheFailureoftheSIBlock/Unblock SwitchCouldRenderSomeAutomatic Actuation FeaturesofBothTrainsofSIInoperable R.E.GinnaNuclearPowerPlantDocketNo.50-244Inaccordance with10CFR50.73,LicenseeEventReportSystem,item(a)(2)(v)(D) and(a)(2)(vi),

whichrequiresareportof,"anyeventorcondition thatalonecouldhaveprevented thefulfillment ofthesafetyfunctionofstructures orsystemsthatareneededtomitigate.

theconsequences ofanaccident",

andinaccordance with10CFR21,"Reporting ofDefectsandNoncom-pliances",

theattachedLicenseeEventReportLER89-016isherebysubmitted.

Duetothedateoftheevent(1969),thecondition istechnically not10CFR21reportable.

However,duetothepotential significance ofthefailurescenario, Rochester Gas&Electricissubmitting voluntary notification.

Specificinforma-tionregarding failureidentification andcorrective actionscanbeobtainedfromMr.RichardA.Baker,Electrical Engineering, on.(716)546-2700.

Thiseventhasinnowayaffectedthepublic'shealthandsafety.Vetrulyyours,.RobertC.M+redyGeneralManagerNuclearProduction xceU.S.NuclearRegulatory Commission RegionI475Allendale RoadKingofPrussia,PA19406GinnaUSNRCSeniorResidentInspector 9001a40122 900112PDRAOOCK05000244SF'DC