ML17266A072: Difference between revisions

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{{#Wiki_filter:oVRCFORoVI366(7.77)LICEIVSEL-EVciVTREI7QRTU.S.oVVCLE*RREGULATORYCOAIMISSION~073CON'T~o0I20(P'AScPRINTORTYPEALLREOUIAEOINFORMATIONIIdIQoII-I1010101-1010Qo411'I111Q~IQo9LICENSEECOOEic'SIICEi4$6i4ulHSZR25i6IICNScTYI'34057<<A~So300':*iLL'00I1o'CD~IOj606'ICOCKZTNUM8EREVENTOATc1473REPORTOAT>>cVEiolTOESCRIPTEONANOPROSASL=CONScCVciHCESQIOOurinarefuelinoutaesurveillanceinsectionofRCSboronconcentra-~03tionindicatedtheRCSbelowthe1720mlimitofT.S.3.9.11698m.~04Theboronconcentration..intheRCSwasrestoredtoroerconcentrationin~os135min.Nocorealterationsorositivereacti.vitchaneswereoccurring~06durinthelowboronconcentrationcondition.Morethanadequateshutdown~07marinwasmaintainedK(0.95)throuhoutthisperiod.Thisisthe~08firstoccurrenceof.thiste.3930SYSTEM'AUScCAUSECOMP,vAivECOOS<<OOESUSC<<OECOMPONENTCOOSSUBCCOZSUBCOCE~oo~RBOoo~EO)o~XQo."H>E"I0II8L~JOoLZJOo1o9Inll~12l31319SZOUPNTIALOCCUAAENCAEPCATAZViSIONC0*2IZo2128290I3'2ACTIONFUTUAEEFFcCTSIIUTOOYINATTACHMEioITNPROAPRIMcCCMP.COMPOPIENTTAKENAciIONONPLANTNETHCONOUAS+22SUSMirTEOPCAMSUS.SUPPLIERUANUPACTURcAo>>cwocLrJO~icooooollo>>O~acLeJSLcc~~ol:24'53637cl4447CAVSCOESCRIPTIONANOCORRELIVSACTIONSQ27oEarlierintheoutaetwsteameneratorSGtubeswereunknowin1cutduringSGmaintenance.WhentheSGwaslacedinwetla-uoedwaterassedthruthetubesintotheRCSthusdilutintheboronconcentrationintheRCS.TheS/GandaffectedRClooweredrainedandtheS/GtubesIAE'oilooOP0774EASTATUS~OISCOvcBY+BQCIQ3SNANAAI=oFPRPAR=AM.A.Schoman2908380~07wereroerllued.189FACILITYSTAooSilPGVIEA'OLaaoolOS.NA8Io12ISAC.IVITYCONT31ITREIPAScDOFolELcASZAMOUNTCF'ACTIV~I~~ZiQ33~ZQS.NA13'3lnPcASONNEI.EXPOSUAESNUMSRTYoc043CAIPTIONQ<S~000oQ>>~ZOEo139III2ISPERSCNNEI.IlliioPIESi~00I0IQLCSSOFCACAMAGEooFACILITYQ43TYPcOESCAIPTION~ii0~ZIQ421810PUSVCiTYI,.uco>ES<<AI>>CNQKKIN'Q73'1'0OiscovEAYOESCAI>>iool~32SurveillanceTestLOCAllo.lOFRELEASEQ3oNA5030.'RCVScOiNLY666930PNO17EI305552"3802 i.'Vlf*}}
{{#Wiki_filter:oVRCFORoVI366(7.77)LICEIVSEL-EVciVTREI7QRTU.S.oVVCLE*RREGULATORY COAIMISSION
~073CON'T~o0I20(P'AScPRINTORTYPEALLREOUIAEOINFORMATIONI IdIQoII-I1010101-1010 Qo411'I111Q~IQo9LICENSEECOOEic'SIICEi4$6i4ulHSZR25i6IICNScTYI'34057<<A~So300':*iLL'00I1o'CD~IOj606'ICOCKZTNUM8EREVENTOATc1473REPORTOAT>>cVEiolTOESCRIPTEON ANOPROSASL=CONScCVciHCES QIOOurinarefuelinoutaesurveillance insectionofRCSboronconcentra-
~03tionindicated theRCSbelowthe1720mlimitofT.S.3.9.11698m.~04Theboronconcentration
..intheRCSwasrestoredtoroerconcentration in~os135min.Nocorealterations orositivereacti.vit chaneswereoccurring
~06durinthelowboronconcentration condition.
Morethanadequateshutdown~07marinwasmaintained K(0.95)throuhoutthisperiod.Thisisthe~08firstoccurrence of.thiste.3930SYSTEM'AUScCAUSECOMP,vAivECOOS<<OOESUSC<<OECOMPONENT COOSSUBCCOZSUBCOCE~oo~RBOoo~EO)o~XQo."H>E"I0II8L~JOoLZJOo1o9Inll~12l31319SZOUPNTIAL OCCUAAENC AEPCATAZViSIONC0*2IZo2128290I3'2ACTIONFUTUAEEFFcCTSIIUTOOYIN ATTACHMEioIT NPROAPRIMcCCMP.
COMPOPIENT TAKENAciIONONPLANTNETHCONOUAS+22SUSMirTEOPCAMSUS.SUPPLIERUANUPACTURcA o>>cwocLrJO~icooooollo>>O~acLeJSLcc~~ol:24'53637cl4447CAVSCOESCRIPTION ANOCORRELIVSACTIONSQ27oEarlierintheoutaetwsteameneratorSGtubeswereunknowin1cutduringSGmaintenance.
WhentheSGwaslacedinwetla-uoedwaterassedthruthetubesintotheRCSthusdilutintheboronconcentration intheRCS.TheS/GandaffectedRClooweredrainedandtheS/GtubesIAE'oiloo OP0774EASTATUS~OISCOvcBY
+BQCIQ3SNANAAI=oFPRPAR=AM.A.Schoman2908380~07wereroerllued.189FACILITYSTAooSilPGVIEA'OLaaoolOS.
NA8Io12ISAC.IVITYCONT31ITREIPAScDOFolELcASZAMOUNTCF'ACTIV~I~~ZiQ33~ZQS.NA13'3lnPcASONNEI.
EXPOSUAES NUMSRTYoc043CAIPTION Q<S~000oQ>>~ZOEo139III2ISPERSCNNEI.
IlliioPIESi~00I0IQLCSSOFCACAMAGEooFACILITYQ43TYPcOESCAIPTION
~ii0~ZIQ421810PUSVCiTYI,.uco>ES<<AI>>CNQKKIN'Q73'1'0OiscovEAYOESCAI>>iool
~32Surveillance TestLOCAllo.l OFRELEASEQ3oNA5030.'RCVScOiNLY666930PNO17EI305552"3802 i.'Vlf*}}

Revision as of 12:30, 29 June 2018

LER 79-015/03L-0 on 790507:surveillance Insp of RCS Boron Concentration Indicated RCS Below 1,720 Parts Per Million Tech Spec Limit.Caused by Feedwater from Steam Generator Tubes Diluting Boron Concentration.Tubes Plugged
ML17266A072
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 06/07/1979
From: SCHOPPMAN M A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17206A850 List:
References
LER-79-015-03L-01, LER-79-15-3L-1, NUDOCS 7906180507
Download: ML17266A072 (2)
v • d • e


Text

oVRCFORoVI366(7.77)LICEIVSEL-EVciVTREI7QRTU.S.oVVCLE*RREGULATORY COAIMISSION

~073CON'T~o0I20(P'AScPRINTORTYPEALLREOUIAEOINFORMATIONI IdIQoII-I1010101-1010 Qo411'I111Q~IQo9LICENSEECOOEic'SIICEi4$6i4ulHSZR25i6IICNScTYI'34057<<A~So300':*iLL'00I1o'CD~IOj606'ICOCKZTNUM8EREVENTOATc1473REPORTOAT>>cVEiolTOESCRIPTEON ANOPROSASL=CONScCVciHCES QIOOurinarefuelinoutaesurveillance insectionofRCSboronconcentra-

~03tionindicated theRCSbelowthe1720mlimitofT.S.3.9.11698m.~04Theboronconcentration

..intheRCSwasrestoredtoroerconcentration in~os135min.Nocorealterations orositivereacti.vit chaneswereoccurring

~06durinthelowboronconcentration condition.

Morethanadequateshutdown~07marinwasmaintained K(0.95)throuhoutthisperiod.Thisisthe~08firstoccurrence of.thiste.3930SYSTEM'AUScCAUSECOMP,vAivECOOS<<OOESUSC<<OECOMPONENT COOSSUBCCOZSUBCOCE~oo~RBOoo~EO)o~XQo."H>E"I0II8L~JOoLZJOo1o9Inll~12l31319SZOUPNTIAL OCCUAAENC AEPCATAZViSIONC0*2IZo2128290I3'2ACTIONFUTUAEEFFcCTSIIUTOOYIN ATTACHMEioIT NPROAPRIMcCCMP.

COMPOPIENT TAKENAciIONONPLANTNETHCONOUAS+22SUSMirTEOPCAMSUS.SUPPLIERUANUPACTURcA o>>cwocLrJO~icooooollo>>O~acLeJSLcc~~ol:24'53637cl4447CAVSCOESCRIPTION ANOCORRELIVSACTIONSQ27oEarlierintheoutaetwsteameneratorSGtubeswereunknowin1cutduringSGmaintenance.

WhentheSGwaslacedinwetla-uoedwaterassedthruthetubesintotheRCSthusdilutintheboronconcentration intheRCS.TheS/GandaffectedRClooweredrainedandtheS/GtubesIAE'oiloo OP0774EASTATUS~OISCOvcBY

+BQCIQ3SNANAAI=oFPRPAR=AM.A.Schoman2908380~07wereroerllued.189FACILITYSTAooSilPGVIEA'OLaaoolOS.

NA8Io12ISAC.IVITYCONT31ITREIPAScDOFolELcASZAMOUNTCF'ACTIV~I~~ZiQ33~ZQS.NA13'3lnPcASONNEI.

EXPOSUAES NUMSRTYoc043CAIPTION Q<S~000oQ>>~ZOEo139III2ISPERSCNNEI.

IlliioPIESi~00I0IQLCSSOFCACAMAGEooFACILITYQ43TYPcOESCAIPTION

~ii0~ZIQ421810PUSVCiTYI,.uco>ES<<AI>>CNQKKIN'Q73'1'0OiscovEAYOESCAI>>iool

~32Surveillance TestLOCAllo.l OFRELEASEQ3oNA5030.'RCVScOiNLY666930PNO17EI305552"3802 i.'Vlf*

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