ML18037A172: Difference between revisions

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{{#Wiki_filter:NRCFORM3GGI7;77)LICENSEEEVENTREPORT.NUCLEARREGULATORY COMMISSION
{{#Wiki_filter:NRC FORM 3GG I7;77)LICENSEE EVENT REPORT.NUCLEAR REGULATORY COMMISSION
~0178CON'T~0178CONTROLBLOCK:IIsNY'IIP9LICENSEECODE14-15,Q(PLEASEPRINTORTYPEALLREQUIREDINFORMATION)
~01 7 8 CON'T~01 7 8 CONTROL BLOCK: I Is N Y'II P 9 LICENSEE CODE 14-15 ,Q (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)
LICENSENuh1BERs41111Q4~Qs2526LICENSETYPE3057CAT58QEVENTDATEQs0531~7Qs7475REPORTDATE80sooscsM~Ps05o0033Q'061DOCKETNuhIBER6869EVENTDESCRIPTION ANDPROBABLECONSEQUENCES QIODurinrefuelinoutaeContainment Srfaileda'Ieakratetest.Thishasminimalsafetimlications sincetheunitisoff-lineforrefuelin~~OS~OG~OB788078SYSTEMCAUSECAUSECoh1P.VALVECODECODESUBCODECO51PONENT CODESUBCODESUBCODE~SBQ>>EQ17~XQ>>HTEX0HQ4~Cps~ZC>>,I910111213181920SEQUENTIAL OCCURRENCE REPORTREVISIONLFAROEVENTYEARREPORTNO.CODETYPENO.Q17sssos7~79Q~QQ5Q~~03QLQQO2122232426272829303132ACTION.FUTUREEFFECTSHUTDOWNATTACHMENT NPRD-4PRIMECOMP.COMPONENT TAKENACTIONONPLANT41IETHOD~ouRS+22suBMITTED FORMsuB.SUPPLIERh1ANUFACTURER LJHQs~ZQo
LICENSE Nuh1BER s 4 1 1 1 1 Q4~Qs 25 26 LICENSE TYPE 30 57 CAT 58 Q EVENT DATE Qs 0 5 3 1~7 Qs 74 75 REPORT DATE 80 sooscs M~Ps 0 5 o 0 0 3 3 Q'0 61 DOCKET NuhIBER 68 69 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO Durin refuelin outa e Containment S r failed a'Ieak rate test.This has minimal safet im lications since the unit is off-line for refuelin~~OS~OG~OB 7 8 80 7 8 SYSTEM CAUSE CAUSE Coh1P.VALVE CODE CODE SUBCODE CO51PONENT CODE SUBCODE SUBCODE~SB Q>>E Q17~XQ>>H T E X 0 H Q4~Cps~ZC>>,I 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LFA RO EVENT YEAR REPORT NO.CODE TYPE NO.Q17 sssos7~79 Q~QQ 5 Q~~03 QL Q QO 21 22 23 24 26 27 28 29 30 31 32 ACTION.FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP.COMPONENT TAKEN ACTION ON PLANT 41IETHOD~ouRS+22 suBMITTED FORM suB.SUPPLIER h1ANUFACTURER LJHQs~ZQo~ZQo~ZP71 0 0 0 0 N Poo~NQ4~LQs II 3 1 5 Qss 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 0 Containment Spray Heat Exchan ers 1 1 2 and 1 21 fai led their 1 eak rate test due to tube leaks.These tubes were lu ed and each heat exchan er passed a subsequent leak rate test.3 4 7 8 9 FACILITY STATUS 44 POWER OTHER STATUS Q[iis]~HQos~00 0 Qss NA 7 8 9 10 12 13 44 ACTIVITY CONTENT RELEASEO OF RELEASE Ah'IOUNT OF ACTIVITY Q G~Z Q33~ZQ34 NA 7 8 9 10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION QB~l7~00 0 Qso Z Qos NA 7'9 11 12 13 PERSONNEI.
~ZQo~ZP710000NPoo~NQ4~LQsII315Qss3334353637404142434447CAUSEDESCRIPTION ANDCORRECTIVE ACTIONS270Containment SprayHeatExchaners112and121failedtheir1eakratetestduetotubeleaks.Thesetubeswereluedandeachheatexchanerpassedasubsequent leakratetest.34789FACILITYSTATUS44POWEROTHERSTATUSQ[iis]~HQos~000QssNA78910121344ACTIVITYCONTENTRELEASEOOFRELEASEAh'IOUNTOFACTIVITYQG~ZQ33~ZQ34NA789101144PERSONNEL EXPOSURES NUMBERTYPEDESCRIPTION QB~l7~000QsoZQosNA7'9111213PERSONNEI.
INJURIES Nuh18EA OESCAIPTIONQ1
INJURIESNuh18EAOESCAIPTIONQ1
~00 0 Qo NA 7 8 9 11 12 LOSS OF OA DAMAGE TO FACILITY Q43 TYPE DESCRIPTION 0 Z Q42 NA 7 8 9 10 PUBLICITY ISSUED DESCRIPTION Q LNJQ44 NA 8 9 10 NAME OF PREPARER 80 DISCOVERY DESCRIPTION Q32 Leak Rate Test METHOD OF DISCOVERY~BQ>>45 46 80 LOCATION OF RELEASE Q NA 45 80 80 80 v 90611 0 l g',)80 NRC USE'ONLY cs 80 0 0 68 69 PHONE31 5-e}}
~000QoNA7891112LOSSOFOADAMAGETOFACILITYQ43TYPEDESCRIPTION 0ZQ42NA78910PUBLICITY ISSUEDDESCRIPTION QLNJQ44NA8910NAMEOFPREPARER80DISCOVERY DESCRIPTION Q32LeakRateTestMETHODOFDISCOVERY
~BQ>>454680LOCATIONOFRELEASEQNA45808080v906110lg',)80NRCUSE'ONLYcs80006869PHONE315-e}}

Revision as of 03:49, 6 July 2018

LER 79-008/03L-0 on 790510:during Refueling Outage, Containment Spray Heat Exchangers 112 & 121 Failed Leak Rate Test.Caused by Tube Leaks.Tubes Plugged
ML18037A172
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 05/31/1979
From: DUDA E
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18037A171 List:
References
LER-79-008-03L, LER-79-8-3L, NUDOCS 7906110181
Download: ML18037A172 (2)
v • d • e


Text

NRC FORM 3GG I7;77)LICENSEE EVENT REPORT.NUCLEAR REGULATORY COMMISSION

~01 7 8 CON'T~01 7 8 CONTROL BLOCK: I Is N Y'II P 9 LICENSEE CODE 14-15 ,Q (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

LICENSE Nuh1BER s 4 1 1 1 1 Q4~Qs 25 26 LICENSE TYPE 30 57 CAT 58 Q EVENT DATE Qs 0 5 3 1~7 Qs 74 75 REPORT DATE 80 sooscs M~Ps 0 5 o 0 0 3 3 Q'0 61 DOCKET NuhIBER 68 69 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO Durin refuelin outa e Containment S r failed a'Ieak rate test.This has minimal safet im lications since the unit is off-line for refuelin~~OS~OG~OB 7 8 80 7 8 SYSTEM CAUSE CAUSE Coh1P.VALVE CODE CODE SUBCODE CO51PONENT CODE SUBCODE SUBCODE~SB Q>>E Q17~XQ>>H T E X 0 H Q4~Cps~ZC>>,I 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LFA RO EVENT YEAR REPORT NO.CODE TYPE NO.Q17 sssos7~79 Q~QQ 5 Q~~03 QL Q QO 21 22 23 24 26 27 28 29 30 31 32 ACTION.FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP.COMPONENT TAKEN ACTION ON PLANT 41IETHOD~ouRS+22 suBMITTED FORM suB.SUPPLIER h1ANUFACTURER LJHQs~ZQo~ZQo~ZP71 0 0 0 0 N Poo~NQ4~LQs II 3 1 5 Qss 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 0 Containment Spray Heat Exchan ers 1 1 2 and 1 21 fai led their 1 eak rate test due to tube leaks.These tubes were lu ed and each heat exchan er passed a subsequent leak rate test.3 4 7 8 9 FACILITY STATUS 44 POWER OTHER STATUS Q[iis]~HQos~00 0 Qss NA 7 8 9 10 12 13 44 ACTIVITY CONTENT RELEASEO OF RELEASE Ah'IOUNT OF ACTIVITY Q G~Z Q33~ZQ34 NA 7 8 9 10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION QB~l7~00 0 Qso Z Qos NA 7'9 11 12 13 PERSONNEI.

INJURIES Nuh18EA OESCAIPTIONQ1

~00 0 Qo NA 7 8 9 11 12 LOSS OF OA DAMAGE TO FACILITY Q43 TYPE DESCRIPTION 0 Z Q42 NA 7 8 9 10 PUBLICITY ISSUED DESCRIPTION Q LNJQ44 NA 8 9 10 NAME OF PREPARER 80 DISCOVERY DESCRIPTION Q32 Leak Rate Test METHOD OF DISCOVERY~BQ>>45 46 80 LOCATION OF RELEASE Q NA 45 80 80 80 v 90611 0 l g',)80 NRC USE'ONLY cs 80 0 0 68 69 PHONE31 5-e

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