ML20084S415

Telecopy Ro:On 760108,while in Cold Shutdown,Crack Indications Found on a & B Loops in valve-to-pipe Junctions on Sides of Bypass Valve That Cannot Be Isolated & in Heated Zones

ML20084S415
Person / Time
Site:	Quad Cities
Issue date:	01/09/1976
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S417	List: 05000254/LER-1976-004-01, /01T-0:on 760108,weld Exam Showed Crack on Both a & B Loops of Rx Reactor Recirculation Discharge Bypassed Line.Caused by Intergranular stress-assisted Corrosion. W/760122 Lt ML20084S415
References
NJK-76-9, NUDOCS 8306160729
Download: ML20084S415 (2)

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Tn!r.; t,ctv.* 5sn!V>t.2.'-;1 NJK-76-9 Telecopy:

l'a g i <.o Ill, At tention :

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Feierabend January 9,1976 J.

iG ppler, Hagional Ofrector office of l n:5 pcc t I cn wd Cts lurc r.v:n t (b9 ion Ili U.

S. ilucl w !L:gul.itory Cccai t s ion 7 0 0 tj: n.s,.'v::l t Vaad Gluo Ellyn, litiovic 6013/

Peforence Qua '-Ci t ier. Muc lear Paue r S t a ti ca, Unit 1 Dm he t No. $0-254, D?R-29 Appandi:t A, Sect.icn 6.6.0.l c Daa r fir. Reppler:

The pu rp o,(- of this letter is to provide you ui t-hvim ti fi ca t i on o f a Reportabi-Occurroocu as requi red by Techni ca l Spec i f i ca ti co '6.6,0.1 *.t i th i n 24 heu r:5 or the cccurronce.

'/i th t:a l t 1 in cl. cold shotenm condi tirn, weld c:mainaticas ware ccaducted on ti.e reactor recircularien die. charge bypass lines.

On January 8, 1 9.76,

crack i ndi cat i r.a;,mre con fi r o rd on the " ti" Icc,p at the valve-to pipo junctica and un the "D" leap at a pipe-to pipe juncticn.

L'oth cratch indical icaL we ru cn the side of ti a byp ms valve r.hrit canno t

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Transr.ittal Date

January 16,j976 Quad-Cities Unit #1 Distribution:

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