ML20038C223

LER 81-041/03L-0:on 811106,during Normal Operation,Pinhole Leak Discovered in Reactor Water Cleanup Sys.Caused by Intergranular Stress Corrosion Cracking.Pipe Section Replaced W/Piping of Lower Carbon Content

ML20038C223
Person / Time
Site:	Duane Arnold
Issue date:	12/04/1981
From:	Varner D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20038C216	List: ML20038C215 ML20038C223
References
LER-81-041-03L, NUDOCS 8112100285
Download: ML20038C223 (1)

Text

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r 7 4 Si CCCK ET NLutta 64 69 EvtNr QArg i. S 40 REPCAr Q ATE EVENT DESCRIPTION AND #mCSAett CCNSECUENCEs h toi2i 1 During normal operation while performinn an onerational insnection. a of I to,2 I nhole leak was discovered in the reactor water cleanno system. The leak - I e I was in the heat affected zone of the weld _ioinino a RWC!! como hvnass val I lo ! s i l ve with the nino and was outhnard of both orirarv containmant isolation I

[o.: s l l val voc . oveli vms isninted anri ennartioitu camnlinn one shiftod tn thn r I lo I 71 I eactor recirc. system samole noint to satisfy the recuiremants of Tech S I t o is.,i i pec 3.6.R.3.1. Two previous simi_lar occurrences (See R0 79-R and 78t17).

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NAvEora=EPARER David M. Varner ,wcNE: 319-851-5611  ?

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