ML17266A259: Difference between revisions

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{{#Wiki_filter:~~'rit)RCPOAhtSCOIT.TTIStSNUCLEARAKCLILATCAYCMAMISSIOttLICEPIScEEVFNTREPORT,~..~'ONTROLBLOC)tItItIIQtIPLEASSPRItsr.OATYPSALLAeSCVlilSDItIPO)lh'eeT)OttliCZ3C..O.f0IJCttssffCOOfLICSeVS4eVUIIIOSR556'iCSVSfevtfJOSi4AI)6ssCOeI'HZ"""'LGei""'-'s~-'(s''i0$$0COCXSTt)uhISfII51SVCHTeeATS)6)5i)ftorITO*Tf'0ma~rOaSCA)PTSON~OPAOS~SLSCOt4S-CuauC~QIO02OurinfulloweroerationCEA23dropedtofullinsertion..Actionper'.CZ3Tt)3.1;3.lewasinitiated.Rxpowerwasreducedto70%,CEA23was~OSI<<p>><<d.testedandrealignedwithitsgroup.powerwasincreasedto100K.I80-32,-80-34,80-35.~,5imilaroccur.enceswerereportedinLER's335-80-23,80-10,80-'7,80-2.,'ot-I~ereiI3DSYSTSYC~USfauStCC!est,VALVSCDCfCCCf5USCDOfCCMrthvf)ITCD0fSUSCDCS'IifCoofie-0IISLJS~i'"'09JSeBirr)6Ie)II.~ISISIJIQSDSfCuftITI*IOCCJAANCKAfesoITIISVISIOItSVSVTrt*A~'SPOATNO.CCCfTYtf)IO.Qr~iisir~'!0~~036f~m~03~L~.'[+0SIje54SSJt'See0SISSfprfcr5!suToovsilAS,tcxsrfvTvPROJtRI:cfCatt.COSIPC4fHTTtKtiVheTIC.'ICVtLh'sTSISTvOONOVASS2Suth!I~~SOfCASI3uf,SuttLIKRUeht!UfAreTVASQAIQrs[ZIQI3IQsQKQtrL~GIIII0'QHQrr[+IIQseIHIQs~>3~IsII.':4lCJl)reI41O'USsJOKSRIPOuANOCOAASCt)V8ACTIONSCEA23dropped.duetoafailureinitscorepowerprogrammer15vpowersupply.Thepowersupplywasreplaced.Amodificationisunderwaytoprov>ideredundant15vpowersuppliestoeachCEA.~II')s,s~ShrfTIIOO<<POT)i'T@eVS~CISCOVSAV3ACILI~Y5~>I'iIIIr''.IMtR~AQI~OPERATORe'r444$k~le/ITTCDerTSVT'ISLtksfoCtPS''si'UOUNTOPACTIVITYQSO~)ifIZIQSSIZlt6NA)4i~:0IswSts>SOAAS'XroeJ!rteVusrsst?~'rSSCPIPTICVpi~ii:r.jGI0I0!,:I!~!IgsCISCCVSAYOfSCA!PTICVgOBSFRVATXOHLoaT!ovofASLf~fQ>Stot!ASCIIASLIVPrt~rI;!~n!I0!~:l1II55OPCIOLerzvt5CILerevCSS>etTIJvtgzQ")siNA'l;IU:S)P.L.Pace~Ih..f000cfjPSAtIRC'Ss:CNI.Yfa6050ONs)(~'S23801}}
{{#Wiki_filter:~~'rit)RCPOAhtSCOIT.TTIStSNUCLEARAKCLILATCAY CMAMISSIOtt LICEPIScE EVFNTREPORT,~..~'ONTROLBLOC)tItItIIQtIPLEASSPRItsr.OATYPSALLAeSCVlilSD ItIPO)lh'eeT)Ottl iCZ3C..O.f0IJCttssffCOOfLICSeVS4eVUIIIOSR 556'iCSVSfevtfJOSi4AI)6ssCOeI'HZ"""'LGei""'-'s~-'(s''i0$$0COCXSTt)uhISfII51SVCHTeeATS
)6)5i)ftorITO*Tf
'0ma~rOaSCA)PTSON
~OPAOS~SLSCOt4S-CuauC~
QIO02OurinfulloweroerationCEA23dropedtofullinsertion
..Actionper'.CZ3Tt)3.1;3.lewasinitiated.
Rxpowerwasreducedto70%,CEA23was~OSI<<p>><<d.testedandrealigned withitsgroup.powerwasincreased to100K.I80-32,-80-34,80-35.~,5imilaroccur.enceswerereportedinLER's335-80-23, 80-10,80-'7,80-2.,'ot-I~ereiI3DSYSTSYC~USfauStCC!est,VALVSCDCfCCCf5USCDOfCCMrthvf)ITCD0fSUSCDCS'IifCoofie-0IISLJS~i'"'09JSeBirr)6Ie)II.~ISISIJIQSDSfCuftITI*IOCCJAANCKAfesoITIISVISIOItSVSVTrt*A~'SPOATNO.CCCfTYtf)IO.Qr~iisir~'!0~~036f~m~03~L~.'[+0SIje54SSJt'See0SISSfprfcr5!suToovsil AS,tcxsrfvTvPROJtRI:cfCatt.COSIPC4fHTTtKtiVheTIC.'ICVtLh'sTSISTvOONOVASS2Suth!I~~SOfCASI3uf,SuttLIKRUeht!UfAreTVASQAIQrs[ZIQI3IQsQKQtrL~GIIII0'QHQrr[+IIQseIHIQs~>3~IsII.':4lCJl)reI41O'USsJOKSRIPOuANOCOAASCt)V8 ACTIONSCEA23dropped.
duetoafailureinitscorepowerprogrammer 15vpowersupply.Thepowersupplywasreplaced.
Amodification isunderwaytoprov>ideredundant 15vpowersuppliestoeachCEA.~II')s,s~ShrfTIIOO<<P OT)i'T@eVS~CISCOVSAV3ACILI~Y5~>I'iIIIr''.IMtR~AQI~OPERATORe'r444$k~le/ITTCDerTSVT'ISLtksfo CtPS''si'UOUNTOPACTIVITYQSO~)ifIZIQSSIZlt6NA)4i~:0IswSts>SOAAS'Xroe J!rteVusrsst?~'rSSCPIPTICVpi
~ii:r.jGI0I0!,:I!~!IgsCISCCVSAYOfSCA!PTICV gOBSFRVATXOH LoaT!ovof ASLf~fQ>Stot!ASCIIASL IVPrt~rI;!~n!I0!~:l1II55OPCIOLerzvt5CILerevCSS>etTIJvtgzQ")siNA'l;IU:S)P.L.Pace~Ih..f000cfjPSAtIRC'Ss:CNI.Yfa6050ONs)(~'S23801}}

Revision as of 11:26, 29 June 2018

LER 80-036/03L-0:on 800805,during Full Power Operation, Control Element Assembly 23 Dropped to Full Insertion.Caused by Failure in Core Element Assembly Core Power Programmer 15-volt Power Supply.Power Supply Replaced
ML17266A259
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 09/03/1980
From: PACE P L
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17208A984 List:
References
LER-80-036-03L, LER-80-36-3L, NUDOCS 8009150290
Download: ML17266A259 (1)
v • d • e


Text

~~'rit)RCPOAhtSCOIT.TTIStSNUCLEARAKCLILATCAY CMAMISSIOtt LICEPIScE EVFNTREPORT,~..~'ONTROLBLOC)tItItIIQtIPLEASSPRItsr.OATYPSALLAeSCVlilSD ItIPO)lh'eeT)Ottl iCZ3C..O.f0IJCttssffCOOfLICSeVS4eVUIIIOSR 556'iCSVSfevtfJOSi4AI)6ssCOeI'HZ"""'LGei""'-'s~-'(si0$$0COCXSTt)uhISfII51SVCHTeeATS

)6)5i)ftorITO*Tf

'0ma~rOaSCA)PTSON

~OPAOS~SLSCOt4S-CuauC~

QIO02OurinfulloweroerationCEA23dropedtofullinsertion

..Actionper'.CZ3Tt)3.1;3.lewasinitiated.

Rxpowerwasreducedto70%,CEA23was~OSI<

><<d.testedandrealigned withitsgroup.powerwasincreased to100K.I80-32,-80-34,80-35.~,5imilaroccur.enceswerereportedinLER's335-80-23, 80-10,80-'7,80-2.,'ot-I~ereiI3DSYSTSYC~USfauStCC!est,VALVSCDCfCCCf5USCDOfCCMrthvf)ITCD0fSUSCDCS'IifCoofie-0IISLJS~i'"'09JSeBirr)6Ie)II.~ISISIJIQSDSfCuftITI*IOCCJAANCKAfesoITIISVISIOItSVSVTrt*A~'SPOATNO.CCCfTYtf)IO.Qr~iisir~'!0~~036f~m~03~L~.'[+0SIje54SSJt'See0SISSfprfcr5!suToovsil AS,tcxsrfvTvPROJtRI:cfCatt.COSIPC4fHTTtKtiVheTIC.'ICVtLh'sTSISTvOONOVASS2Suth!I~~SOfCASI3uf,SuttLIKRUeht!UfAreTVASQAIQrs[ZIQI3IQsQKQtrL~GIIII0'QHQrr[+IIQseIHIQs~>3~IsII.':4lCJl)reI41O'USsJOKSRIPOuANOCOAASCt)V8 ACTIONSCEA23dropped. duetoafailureinitscorepowerprogrammer 15vpowersupply.Thepowersupplywasreplaced. Amodification isunderwaytoprov>ideredundant 15vpowersuppliestoeachCEA.~II')s,s~ShrfTIIOO<

I'iIIIr.IMtR~AQI~OPERATORe'r444$k~le/ITTCDerTSVT'ISLtksfo CtPSsi'UOUNTOPACTIVITYQSO~)ifIZIQSSIZlt6NA)4i~:0IswSts>SOAAS'Xroe J!rteVusrsst?~'rSSCPIPTICVpi ~ii:r.jGI0I0!,:I!~!IgsCISCCVSAYOfSCA!PTICV gOBSFRVATXOH LoaT!ovof ASLf~fQ>Stot!ASCIIASL IVPrt~rI;!~n!I0!~:l1II55OPCIOLerzvt5CILerevCSS>etTIJvtgzQ")siNA'l;IU:S)P.L.Pace~Ih..f000cfjPSAtIRC'Ss:CNI.Yfa6050ONs)(~'S23801

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