ML17266A434: Difference between revisions

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{{#Wiki_filter:NRCFORM388l7.77ILtCENSEEEVENTREPORTUNSNUCLEARRKCULATORY COMMISSION 73CONTROL3LOCK:IIFILISLIS1Q209UCENSSECQOE14IIQl0I-0plplolLICii<<5c3'IVMSEAIQ~O3525LICENSETYPc30$7AT58QtPLEASKPRINTORTYPEAI.LRKOUIRGDINFORMATIONI Q;;"'*,~LR05000335Os~0226IZIQ08461COCiCET)IUM8SRo859cVENTQAT87475EVENTDESCRIPTION ANOPROSAGLKCONSKCU&VCKS QIQOurinamonthlsurviREPORTOATSQ9containment radiation monitorchannelAwasfoundlessconservative thanrequiredbyT.S.3.3.2.1.Thesetpointhadchangedto16.04maviceanallowable upperlimitof16.00ma.Three(3)redundant channelswereavailable (oneintrip-LER80-68).Thesetpointwasadjustedto':.15<<96ma;A.04conservatism withrespecttoT.S.HealthandSafetyofPublicnotaffected.
{{#Wiki_filter:NRC FORM 388 l7.77 I LtCENSEE EVENT REPORT UN S NUCLEAR RKCULATORY COMMISSION 7 3 CONTROL 3LOCK: I I FILI S LI S1 Q20 9 UCENSSE CQOE 14 I I Ql 0 I-0 pl pl ol LICii<<5c 3'IVMSEA I Q~O 35 25 LICENSE TYPc 30$7 AT 58 Q tPLEASK PRINT OR TYPE AI.L RKOUIRGD INFORMATIONI Q;;"'*,~LR 0 5 0 0 0 3 3 5 Os~02 2 6 I ZIQ0 84 61 COCiCET)IUM8 SR o8 59 cVENT QAT8 74 75 EVENT DESCRIPTION ANO PROSAGLK CONSKCU&VCKS QIQ Ourin a monthl surv i REPORT OATS Q9 containment radiation monitor channel A was found less conservative than required by T.S.3.3.2.1.The setpoint had changed to 16.04 ma vice an allowable upper limit of 16.00 ma.Three (3)redundant channels were available (one in trip-LER 80-68).The setpoint was adjusted to':.15<<96 ma;A.04 conservatism with respect to T.S.Health and Safety of Public not affected.Third event of this t e see LER's 76-17 and 77-25.30 7 8 9 SYSTcM CAU58 CAUSc COMP VALVE CCQE COQE SVSCQOS COMPONENT COOK.3VSCOOE SUSCQQS~09~IB Q>>~XQ>>~XQ>>1 N S.7 R U Qii~XQ25~Z Qs 7 8 9 10 I I 11 13 18 19 70 SEQUENTIAL OCCI<<RAKNCE AEPCA 5 AcVISIQN L AIAO cVEVT YEAR REPORT NO.COOS T<<PE NO, Qn Niroor~81~~01 1~~~03~L~0 11 12 23 24 28 17 8 39 I 31 ACTION FurV AK EFFECT SHUTOOVIN ATTACHMENT VP<<IQ~PRIME COMP.CsX<<4s5C<<I KN T T*lCEN ACTION ON Pl.ANT SIETHQO HOVAS Q22 SUS<<)ITTCQ QA<<61 SUS.3V)PLIER MANUFACTURER LRQ L2JQ L!JQ LzJ Q Loaoo ol L~J QE LNJ Q ZAN Q~03 I 6 33 34 35 38 37 44 41 44'7 CAUSE OKSCRIPTION ANO CORRECs IVc ACTIONS+27 The trip bistable setpoint haG drifted since the last surveillance.
ThirdeventofthisteseeLER's76-17and77-25.30789SYSTcMCAU58CAUScCOMPVALVECCQECOQESVSCQOSCOMPONENT COOK.3VSCOOESUSCQQS~09~IBQ>>~XQ>>~XQ>>1NS.7RUQii~XQ25~ZQs78910II1113181970SEQUENTIAL OCCI<<RAKNCE AEPCA5AcVISIQNLAIAOcVEVTYEARREPORTNO.COOST<<PENO,QnNiroor~81~~011~~~03~L~0111223242817839I31ACTIONFurVAKEFFECTSHUTOOVIN ATTACHMENT VP<<IQ~PRIMECOMP.CsX<<4s5C<<IKNTT*lCENACTIONONPl.ANTSIETHQOHOVASQ22SUS<<)ITTCQ QA<<61SUS.3V)PLIERMANUFACTURER LRQL2JQL!JQLzJQLoaooolL~JQELNJQZANQ~03I63334353837444144'7CAUSEOKSCRIPTION ANOCORRECsIVcACTIONS+27ThetripbistablesetpointhaGdriftedsincethelastsurveillance.
The bistable setpoint was immediately readjusted.
Thebistablesetpointwasimmediately readjusted.
MFTHCO QF~8 I MONTHLY SURVEILLANCE 45 45 LOCATICN OF AELEASc QS<<5 PIRO US-ONLY 58 59 305 552-3815 K M Simmons VAIslc OF?RK?ARKR 810:413GDPQ
MFTHCOQF~8IMONTHLYSURVEILLANCE 4545LOCATICNOFAELEAScQS<<5PIROUS-ONLY5859305552-3815KMSimmonsVAIslcOF?RK?ARKR810:413GDPQ
~l4 8 9 F ACILITY STATUS".~POWER OTHER STATUS Q[iiQ~EON~10 0 Pj NA~7 8'9 10 12 13 44 ACTIVITY CQNTiVT AKLEASEO CF RELEASE AAIOUNTQF ACTIVIrY Q33 EK lzJQ LzJQ'3 9 10 11 44<<EASONNEL EX)QSVAES~~o""o'QZ~zQ<<
~l489FACILITYSTATUS".~POWEROTHERSTATUSQ[iiQ~EON~100PjNA~78'910121344ACTIVITYCQNTiVTAKLEASEOCFRELEASEAAIOUNTQF ACTIVIrYQ33EKlzJQLzJQ'39101144<<EASONNEL EX)QSVAES
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Revision as of 13:19, 7 July 2018

LER 81-011/03L-0:on 810226,containment Radiation Monitor Channel a Setpoint Exceeded Tech Spec Limits.Caused by Trip Bistable Setpoint Drift.Setpoint Readjusted
ML17266A434
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 03/27/1981
From: SIMMONS K M
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17209A924 List:
References
LER-81-011-03L, LER-81-11-3L, NUDOCS 8104130396
Download: ML17266A434 (2)
v • d • e


Text

NRC FORM 388 l7.77 I LtCENSEE EVENT REPORT UN S NUCLEAR RKCULATORY COMMISSION 7 3 CONTROL 3LOCK: I I FILI S LI S1 Q20 9 UCENSSE CQOE 14 I I Ql 0 I-0 pl pl ol LICii<<5c 3'IVMSEA I Q~O 35 25 LICENSE TYPc 30$7 AT 58 Q tPLEASK PRINT OR TYPE AI.L RKOUIRGD INFORMATIONI Q;;"'*,~LR 0 5 0 0 0 3 3 5 Os~02 2 6 I ZIQ0 84 61 COCiCET)IUM8 SR o8 59 cVENT QAT8 74 75 EVENT DESCRIPTION ANO PROSAGLK CONSKCU&VCKS QIQ Ourin a monthl surv i REPORT OATS Q9 containment radiation monitor channel A was found less conservative than required by T.S.3.3.2.1.The setpoint had changed to 16.04 ma vice an allowable upper limit of 16.00 ma.Three (3)redundant channels were available (one in trip-LER 80-68).The setpoint was adjusted to':.15<<96 ma;A.04 conservatism with respect to T.S.Health and Safety of Public not affected.Third event of this t e see LER's 76-17 and 77-25.30 7 8 9 SYSTcM CAU58 CAUSc COMP VALVE CCQE COQE SVSCQOS COMPONENT COOK.3VSCOOE SUSCQQS~09~IB Q>>~XQ>>~XQ>>1 N S.7 R U Qii~XQ25~Z Qs 7 8 9 10 I I 11 13 18 19 70 SEQUENTIAL OCCI<<RAKNCE AEPCA 5 AcVISIQN L AIAO cVEVT YEAR REPORT NO.COOS T<<PE NO, Qn Niroor~81~~01 1~~~03~L~0 11 12 23 24 28 17 8 39 I 31 ACTION FurV AK EFFECT SHUTOOVIN ATTACHMENT VP<<IQ~PRIME COMP.CsX<<4s5C<<I KN T T*lCEN ACTION ON Pl.ANT SIETHQO HOVAS Q22 SUS<<)ITTCQ QA<<61 SUS.3V)PLIER MANUFACTURER LRQ L2JQ L!JQ LzJ Q Loaoo ol L~J QE LNJ Q ZAN Q~03 I 6 33 34 35 38 37 44 41 44'7 CAUSE OKSCRIPTION ANO CORRECs IVc ACTIONS+27 The trip bistable setpoint haG drifted since the last surveillance.

The bistable setpoint was immediately readjusted.

MFTHCO QF~8 I MONTHLY SURVEILLANCE 45 45 LOCATICN OF AELEASc QS<<5 PIRO US-ONLY 58 59 305 552-3815 K M Simmons VAIslc OF?RK?ARKR 810:413GDPQ

~l4 8 9 F ACILITY STATUS".~POWER OTHER STATUS Q[iiQ~EON~10 0 Pj NA~7 8'9 10 12 13 44 ACTIVITY CQNTiVT AKLEASEO CF RELEASE AAIOUNTQF ACTIVIrY Q33 EK lzJQ LzJQ'3 9 10 11 44<<EASONNEL EX)QSVAES~~o""o'QZ~zQ<<

" Va 7 11 13)EASQIINcL sN JVAIS3 6~0'5 I 0 Qo NA 7 3 9 11~12 LCSS OF A QAMAO-.0 FACIUTV n , VPc 53CAIPrIQN 9~ZQ2 NA 7 3 3 PV8LICI.Y'NSCAIPTSCN Q43 QL l(o~j NA 3 3~4 80 I 5 34 34 34 C I'V

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