05000249/LER-1980-033, Forwards LER 80-033/03L-0

Forwards LER 80-033/03L-0

ML17192A921
Person / Time
Site:	Dresden
Issue date:	08/18/1980
From:	Scott D COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17192A922	List: 05000249/LER-1980-033, Forwards LER 80-033/03L-0 05000249/LER-1980-033-03, /03L-0:on 800724,during Normal operations,1/4-inch through-wall Leak Discovered in 3A Component Cooling Svc Water Pump Casing.Caused by Casting Hole on Bottom of Casing.Pump Removed & Hole Plugged
References
80-12, NUDOCS 8008270339
Download: ML17192A921 (2)

LER-1980-033, Forwards LER 80-033/03L-0

Event date:
Report date:
2491980033R00 - NRC Website

text

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Dresden Nuclear Power Station

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1 rrrinois so450.htriil~ f\\~Bl~*:\\j 0\\1(~{£1 f\\l£ COPl Telephone 815/942-2921\\LUUltU u.... e August 18, 1980 DJS LTR 1180;12 James G. Keppler,* Regional Director Directorate oLRegulatory Operations - Region III U.S. Nuclear Regulatory Connnission 799 Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report t/80-33/031-0, Dock~~s being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specification 6.6.B.2.(b), conditions leading to operation in a degraded mode permitted.by a limiting condition.for operation or plant shutdown required by a limiting condition for operation.

DJS:lcg Enclosure D. J. Scott Station Superintendent Dresden Nuclear Power Station cc:

Director of Inspection.& Enforcement Director of Management Information & Program. Control U.S. Nuclear.Regulatory Connnission, Document Management Branch File/NRC.

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION A~O PROBABLE CONSEQUENCES @

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I During normal operation while conducting pump surveillance test, a ~" thru wall leak

~I was discovered in 3A CCSW pump casing.

The health andsafety.of the general public

IITJ I was not endangered because the pump still met minimum surveillance requirements.

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This is the first occurrence of this type.

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

) 1 I a I I The leak was from a casting hole on the bottom of the casing.

The pump was taken out

) 1 1 1 I of service and the hole was plugged..

The pump was tested satisfactorily.

All remain-11 1 2 I ing pump casings were visually inspected with no abnormalities. noted.

Future. UT

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• I ;inspections:.o~. pump°!.' ca~ing-s:... ::tor be;, per'f.ormed.

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METHOD OF

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STATUS

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RELEASED OF RELEASE AMOUNT OF. ACTIVITY

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r4 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY t4J\\

TYPE

DESCRIPTION

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N/A 8

9 10 80 PUBLICITY C\\

NRC USE ONLY 0

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