05000220/LER-1979-008-03, /03L-0 on 790510:during Refueling Outage, Containment Spray Heat Exchangers 112 & 121 Failed Leak Rate Test.Caused by Tube Leaks.Tubes Plugged

/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
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: 05000220/LER-1979-008-03, /03L-0 on 790510:during Refueling Outage, Containment Spray Heat Exchangers 112 & 121 Failed Leak Rate Test.Caused by Tube Leaks.Tubes Plugged 05000220/LER-1979-009-03, /03L-0 on 790510:during Refueling Outage,Site Operations Review Committee Failed to Review Temporary Change to Maint Procedure N1-MP-7.11 within 7-day Limit. Change Subsequently Reviewed ML18037A170
References
LER-79-008-03L, LER-79-8-3L, NUDOCS 7906110181
Download: ML18037A172 (2)

LER-1979-008, /03L-0 on 790510:during Refueling Outage, Containment Spray Heat Exchangers 112 & 121 Failed Leak Rate Test.Caused by Tube Leaks.Tubes Plugged

Event date:
Report date:
2201979008R03 - NRC Website

text

NRC FORM 3GG I7;77)

LICENSEE EVENT REPORT

. NUCLEAR REGULATORY COMMISSION

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Q'0 61 DOCKET NuhIBER 68 69 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO Durin refuelin outa e

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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.

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9 FACILITY STATUS 44 POWER OTHER STATUS Q [iis] ~HQos ~00 0

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10 12 13 44 ACTIVITY CONTENT RELEASEO OF RELEASE Ah'IOUNTOF ACTIVITYQ G

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10 PUBLICITY ISSUED DESCRIPTION Q LNJQ44 NA 8

9 10 NAME OF PREPARER 80 DISCOVERY DESCRIPTION Q32 Leak Rate Test METHOD OF DISCOVERY

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