05000259/LER-1979-003-03, /03L-2 on 790120:during Cold Shutdown,Local Leak Rate Test Revealed Total Leakage Exceeded Allowable 60% La Per 24-h.Caused by Excessive Leakage of Valve Seating Surface.Eight Leaking Valves Were Repaired & Retested

/03L-2 on 790120:during Cold Shutdown,Local Leak Rate Test Revealed Total Leakage Exceeded Allowable 60% La Per 24-h.Caused by Excessive Leakage of Valve Seating Surface.Eight Leaking Valves Were Repaired & Retested

ML19261C736
Person / Time
Site:	Browns Ferry
Issue date:	03/23/1979
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19261C727	List: 05000259/LER-1979-003-03, /03L-2 on 790120:during Cold Shutdown,Local Leak Rate Test Revealed Total Leakage Exceeded Allowable 60% La Per 24-h.Caused by Excessive Leakage of Valve Seating Surface.Eight Leaking Valves Were Repaired & Retested
References
LER-79-003-03L-01, LER-79-3-3L-1, NUDOCS 7903280323
Download: ML19261C736 (1)

LER-1979-003, /03L-2 on 790120:during Cold Shutdown,Local Leak Rate Test Revealed Total Leakage Exceeded Allowable 60% La Per 24-h.Caused by Excessive Leakage of Valve Seating Surface.Eight Leaking Valves Were Repaired & Retested

Event date:
Report date:
2591979003R03 - NRC Website

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f4 61 DOCK ET NUMBER EVENT DESCHIPTION AND PROB ABLE C ONSEQUENCES h ITTil I While in cold shutdown for refueline. Local leMwte testine was oerfor,nd in accord-j

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l lowable 60 percent La per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (707.1 SCFH). There was no hazard to the public

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