ML17325B640

Forwards LER 99-013-00 Re Safety Injection & Centrifugal Charging Throttle Valve Cavitation During LOCA Could Lead to ECCS Pump Failure.Listed Commitments Identified in Submittal

ML17325B640
Person / Time
Site:	Cook
Issue date:	06/01/1999
From:	RENCHECK M W INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17325B641	List: ML17325B640 ML17325B642
References
NUDOCS 9906080139
Download: ML17325B640 (3)

Text

CATEGORY0REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9906080139 DOC.DATE:

99/06/01NOTARIZED:

NODOCKETIFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM05000315AUTH.NP@IE

.AUTHORAFFZLXATION RENCHECK,M.W.

IndianaMichiganPowerCo.(formerly Xndiana6MichiganEleRECXP.NAME RECXPIENT AFFZLIATXON RecordsManagement Branch(Document ControlDesk)

SUBJECT:

ForwardsLER99-013-00 resafetyinjection 8centrifugal chargingthrottlevalvecavaitation duringLOCAcouldleadtoECCSpumpfailure.Listedcommitments identified insubmittal.

DZSTRZBOTZON CODE:ZE22TCORTESRECEZVED:LTR IENCLJSZSE:+TITLE:50.73/50.9 LicenseeEventReport(LER),IncidentRpt,etc.NOTES:RECIPIENT IDCODE/NAME LPD3-1PDINTERNAL:

AEOD/SPD/RRAB NRR/DZPM/IOLB NRR/DR1P/REXB RES/DET/EXB EXTERNAL:

LSTLOBBYWARDNOACPOOREEW.NRCPDRCOPIESLTTRENCL1111111111111111RECIPIENT IDCODE/NAME STANG,JFILECENTERNRRDZPMIQMBNRR/DSSA/SPLB RGN3FILE01LMZTCOMARSHALLNOACQUEENER,DSNUDOCSFULLTXTCOPIESLTTRENCL11111111111111110RDNNOTETOALL"RIDS"REC1PZENTS:

PLEASEHELPUSTOREDUCEWASTETHTOHAVEYOURNAMEORORGANIZATION REMOVEDFROMDISTRIBUTION LISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION.

CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION 415-2083FULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED:

LTTR16ENC'L16 IndianaMichigPowerCompanyCookNudeerAscOneCookPara&xnan.N491066164655901ZENDMNAMNlHIGANPWERJune1,1999UnitedStatesNuclearRegulatory Commission DocumentControlDeskWashington, DC20555Operating LicenseDPR-58DocketNo.50-315DocumentControlManager:Inaccordance withthecriteriaestablished by10CFR50.73entitledLicenseeEventLER315/99-013-00, "SafetyInjection andCentrifugal ChargingThrottleValveCavitation DuringLOCACouldLeadtoECCSPumpFailure."

Thefollowing commitments wereidentified inthissubmittal:

~Ap'ermanent solutionforthecavitation-induced erosionandpotential debrispluggingofthethrottlevalveswillbedeveloped torestoreconformance withtheplantdesignbasisandtosupportECCSsystemoperability.

Possiblemodifications arecurrently underreviewandthemethodselectedwillbeimplemented priortorestartofeachunit.~Theevaluation forthiscondition hasnotbeencompleted.

Basedontheresultsofthecompleted evaluation, information regarding thesafetysigniTicance, andcorrective andpreventive actionswillbeprovidedinanupdatetothisLER.Sincerely, M.W.RencheckVicePresident

-NuclearEngineering

/bwoAttachment 9906080139 990601.PDRADOCK050003l58PDR c:J.E.Dyer,RegionIII.R.P.PowersP.A.BarrettD.F.Kunsemiller R..WhaieD.HahnRecordsCenter,INPONRCResidentInspector