ML17266A139: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(Created page by program invented by StriderTol)
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:NRCFORMMSf7.77ILICENSEEEVENl'fQOR7U.*NUCLEAR REGULATORY COMMISSION
{{#Wiki_filter:NRC FORM MS f7.77 I LICENSEE EVENl'f QOR7 U.*NUCLEAR REGULATORY COMMISSION
~O13CONT~ot3'OIPLKAScPRIIITORTYPALI.RKCUIRKDINFORMATIONI IIQII-IIIII-IIQIIIIIQ~IQ9IJCKNSKECOOKI"$\ICNscp'IIFMSER
~O 1 3 CON T~o t 3'O IPLKASc PRIIIT OR TYP ALI.RKCUIRKD INFORMATIONI I IQ I I-I I I I I-I I Q I I I I IQ~IQ 9 IJCKNSKE COOK I"$\IC Nsc p'IIFMSER~S$I iCSNSE YPS 13 St CAT Q":::i Ii.O I Q~O~O$0 Sl OOC)CPT NUAISER sa os ivaNT Q*TE I+TS R'EPQRT O*FTS 30 EVENT OKSCRIPTION
~S$IiCSNSEYPS13StCATQ":::iIi.OIQ~O~O$0SlOOC)CPTNUAISERsaosivaNTQ*TEI+TSR'EPQRTO*FTS30EVENTOKSCRIPTION
'NO I'ROSAKLK CONScCUENCKS QIO'4'hile o eratin at 100%ower 1 o erator discovered that~03 the"MB" linear over ran'channel hi Qh vol tR I w.41=50V lover than the~o~othe channels.The"MB" lin r~~~4-n was declared ino er-able and the"Hi Pover>>IITM Lptt'ILoss of Lo dtt It PPCF trips vere placed in b ass in accordance with Technical S e f'.3.1.1.The 15V power su 1 was re37laced and the"hlB" channel re r within the time limit s ecified.Thre~7 3 9 o erable.~og over su 1 Techni Power Model I,"PL 14.5-3.0.Ho cause could be deter-SYSTEM CAUSE CAUSE COMP VALVS CQOE CQOK SUSCQQE CCMPONK4T COOK sua"Qca suacocs S LCS LLS~l,!, Q mc LQ 1 S 9 IO l2 12 IS 2O 54OUENTIAL OCCURAK4CK REPORT REVI$IO4~LSRIRQ 4VKNTYKAR REPORT NO, COCK TYPE"IO.Qo FiPFFF 12 22 24 1S Tt~$M O)22 ACTION SUTURc EFPPC SIRUTQCPRIN A~.ACIFMENT NPROM PRIME C Ms, CQM PC N ck T TPUCEN lcTIQIt ck PLANT NKTNQQ NQUAS+22'USMIT~'SO FP PIMSUS.SUPPLIER FPIANUFACTURAR LJSLQS LJS.IRIS~i Lic LRS I IS CAUSE DESCRIPTION ANO CORRECF IVK ACTIONS Q27 The"HB" linear over ran e hi h voltage failed low due to a failed+15V mined for this failure.Immediate corrective action was to reolace the over su 1.No further corrective action is reouired.i 9 FACILI Y Si*TUS OTIIER STATUS 0 NA Qci LJS~i''~a IO.I2 IS ac ACTIVITY CQNT44T RELKASEQ QP RELEASE AMOUNT OP ACTIFPITY QSS~Z Q~~QK.NA I 3 9 IO 44 PERSONNEL fXPOSUIIES 4UAISER TYPE QESCRIPTION QN~ii LoOooo'iQ>>Lz le 1 9 3 Il I2.Is PcilsONNEL IktURFES[ii~J~oo o IQF METRO"4 OISCQVECY~A.'~31.4$NA NA'ISCCVERY QES WPTICAI S2 Operator Observation LOCATION OS AELKASc Q38 SO 30 g 2 a 2 9 I I I'1 LCSS QII CR 0AM ACE.0 F ACI LITY Qas TYPE OESCRIPTIQN
'NOI'ROSAKLK CONScCUENCKS QIO'4'hileoeratinat100%ower1oeratordiscovered that~03the"MB"linearoverran'channelhiQhvoltRIw.41=50Vloverthanthe~o~othechannels.
~Z'A2 IO PUSLlc:..ISSUEQ OESCRIPT:QN 9 IQaa 2 IO MAFIA RP>RRPAR;R~NA NA 80080iso 30 NRC USE ONI.Y I'l'III I I SS i$4 PI.ON s.('7  
The"MB"linr~~~4-nwasdeclaredinoer-ableandthe"HiPover>>IITMLptt'ILossofLodttItPPCFtripsvereplacedinbassinaccordance withTechnical Sef'.3.1.1.
The15Vpowersu1wasre37laced andthe"hlB"channelrerwithinthetimelimitsecified.Thre~739oerable.~ogoversu1TechniPowerModelI,"PL14.5-3.0.Hocausecouldbedeter-SYSTEMCAUSECAUSECOMPVALVSCQOECQOKSUSCQQECCMPONK4T COOKsua"QcasuacocsSLCSLLS~l,!,QmcLQ1S9IOl212IS2O54OUENTIAL OCCURAK4CK REPORTREVI$IO4~LSRIRQ4VKNTYKAR REPORTNO,COCKTYPE"IO.QoFiPFFF1222241STt~$MO)22ACTIONSUTURcEFPPCSIRUTQCPRIN A~.ACIFMENT NPROMPRIMECMs,CQMPCNckTTPUCENlcTIQItckPLANTNKTNQQNQUAS+22'USMIT
~'SOFPPIMSUS.SUPPLIERFPIANUFACTURAR LJSLQSLJS.IRIS~iLicLRSIISCAUSEDESCRIPTION ANOCORRECFIVKACTIONSQ27The"HB"linearoverranehihvoltagefailedlowduetoafailed+15Vminedforthisfailure.Immediate corrective actionwastoreolacetheoversu1.Nofurthercorrective actionisreouired.
i9FACILIYSi*TUSOTIIERSTATUS0NAQciLJS~i''~aIO.I2ISacACTIVITYCQNT44TRELKASEQQPRELEASEAMOUNTOPACTIFPITY QSS~ZQ~~QK.NAI39IO44PERSONNEL fXPOSUIIES 4UAISERTYPEQESCRIPTION QN~iiLoOooo'iQ>>Lzle193IlI2.IsPcilsONNEL IktURFES[ii~J~oooIQFMETRO"4OISCQVECY
~A.'~31.4$NANA'ISCCVERY QESWPTICAIS2OperatorObservation LOCATIONOSAELKAScQ38SO30g2a29III'1LCSSQIICR0AMACE.0FACILITYQasTYPEOESCRIPTIQN
~Z'A2IOPUSLlc:..
ISSUEQOESCRIPT:QN 9IQaa2IOMAFIARP>RRPAR;R~NANA80080iso30NRCUSEONI.YI'l'IIIIISSi$4PI.ONs.('7  
,<<4}}
,<<4}}

Revision as of 13:28, 7 July 2018

LER 79-036/03L-0:on 791203,while Operating at Full Power, Control Room Operator Discovered Mb Linear Power Range Channel High Voltage Was Lower than Other Three Channels. Caused by Failed +15 Volt Power Supply.Supply Replaced
ML17266A139
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 01/02/1980
From: SCHOPPMAN M A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17207A787 List:
References
LER-79-036-03L-01, LER-79-36-3L-1, NUDOCS 8002040535
Download: ML17266A139 (2)
v • d • e


Text

NRC FORM MS f7.77 I LICENSEE EVENl'f QOR7 U.*NUCLEAR REGULATORY COMMISSION

~O 1 3 CON T~o t 3'O IPLKASc PRIIIT OR TYP ALI.RKCUIRKD INFORMATIONI I IQ I I-I I I I I-I I Q I I I I IQ~IQ 9 IJCKNSKE COOK I"$\IC Nsc p'IIFMSER~S$I iCSNSE YPS 13 St CAT Q":::i Ii.O I Q~O~O$0 Sl OOC)CPT NUAISER sa os ivaNT Q*TE I+TS R'EPQRT O*FTS 30 EVENT OKSCRIPTION

'NO I'ROSAKLK CONScCUENCKS QIO'4'hile o eratin at 100%ower 1 o erator discovered that~03 the"MB" linear over ran'channel hi Qh vol tR I w.41=50V lover than the~o~othe channels.The"MB" lin r~~~4-n was declared ino er-able and the"Hi Pover>>IITM Lptt'ILoss of Lo dtt It PPCF trips vere placed in b ass in accordance with Technical S e f'.3.1.1.The 15V power su 1 was re37laced and the"hlB" channel re r within the time limit s ecified.Thre~7 3 9 o erable.~og over su 1 Techni Power Model I,"PL 14.5-3.0.Ho cause could be deter-SYSTEM CAUSE CAUSE COMP VALVS CQOE CQOK SUSCQQE CCMPONK4T COOK sua"Qca suacocs S LCS LLS~l,!, Q mc LQ 1 S 9 IO l2 12 IS 2O 54OUENTIAL OCCURAK4CK REPORT REVI$IO4~LSRIRQ 4VKNTYKAR REPORT NO, COCK TYPE"IO.Qo FiPFFF 12 22 24 1S Tt~$M O)22 ACTION SUTURc EFPPC SIRUTQCPRIN A~.ACIFMENT NPROM PRIME C Ms, CQM PC N ck T TPUCEN lcTIQIt ck PLANT NKTNQQ NQUAS+22'USMIT~'SO FP PIMSUS.SUPPLIER FPIANUFACTURAR LJSLQS LJS.IRIS~i Lic LRS I IS CAUSE DESCRIPTION ANO CORRECF IVK ACTIONS Q27 The"HB" linear over ran e hi h voltage failed low due to a failed+15V mined for this failure.Immediate corrective action was to reolace the over su 1.No further corrective action is reouired.i 9 FACILI Y Si*TUS OTIIER STATUS 0 NA Qci LJS~i~a IO.I2 IS ac ACTIVITY CQNT44T RELKASEQ QP RELEASE AMOUNT OP ACTIFPITY QSS~Z Q~~QK.NA I 3 9 IO 44 PERSONNEL fXPOSUIIES 4UAISER TYPE QESCRIPTION QN~ii LoOooo'iQ>>Lz le 1 9 3 Il I2.Is PcilsONNEL IktURFES[ii~J~oo o IQF METRO"4 OISCQVECY~A.'~31.4$NA NA'ISCCVERY QES WPTICAI S2 Operator Observation LOCATION OS AELKASc Q38 SO 30 g 2 a 2 9 I I I'1 LCSS QII CR 0AM ACE.0 F ACI LITY Qas TYPE OESCRIPTIQN

~Z'A2 IO PUSLlc:..ISSUEQ OESCRIPT:QN 9 IQaa 2 IO MAFIA RP>RRPAR;R~NA NA 80080iso 30 NRC USE ONI.Y I'l'III I I SS i$4 PI.ON s.('7

,<<4

Retrieved from "https://kanterella.com/w/index.php?title=ML17266A139&oldid=823743"