ML19260D685

Updated LER 790987/03X-1:on 791114,during Mode 5 Operation, Leak Was Discovered in Socket Weld on LPSI Flow Orifice Valve 2SI-5091B.Failure Resembles Mechanical Fatigue Failure of Weld.Valve Replaced & Socket Weld Dye Penetrant Checked

ML19260D685
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/05/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19260D677	List: ML19260D676 ML19260D680 ML19260D684 ML19260D685
References
LER-79-087-03X, LER-79-87-3X, NUDOCS 8002110585
Download: ML19260D685 (1)

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H,,oHT OATE P S 6' OOesttT ~uwelm EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h ITTTl IDuring Mode 5 copration. a leak was dicenvprod in a snrkot wold nn tho I o 2 lLPSI Flow Orifice Valve (251-50918). The leak was discovered by operations o 4 iduring a routine insoection tour. Tho amont of leakage was insicnificantl in isi iThis event similar to LER 50-368/79-21 (same system). I o o IPecortable nor T S 6 o.1 Od. I 1o 17 ] I I Iolai l I

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