ML20126D063

Ro:On 800231,during Investigation Re Lack of Pressure During Local Leak Rate Test on Reactor Water Cleanup Isolation Valves,Found through-wall Horizontal Crack on heat-affected Zone.Repair Under Evaluation

ML20126D063
Person / Time
Site:	Brunswick
Issue date:	04/04/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:
References
BSEP-80-638, NUDOCS 8004150504
Download: ML20126D063 (1)

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C ofins rewer A Lfght Compa ry .,

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si dtenn Electric Fiant,.

P. O. Box 10429 Southport,fic 28461 April 4,1960 rIts: a3315 SERIAL: BSEP/80-638

!!r. Jer:::i P. O'Reilly, Director --

O. S. Uucicar ilegulatory Cocnission p . g t .,in I t -

101 !!arir;tt1 1treet, Suite 3100 -

Atinnto, CA 30303 . -4 Br.UUStTICK SIEM! ELECTRIC TLtlII, ImtT tiO3.1 & 2 1 1.ICEUSE 1i03. CFP-71 Mr0 DFB-62 DU0iJ.I tiUS. 50-325 MID 50-324 ct" r t""iTIt"t For:Sittri,r._ ITR An f tt' rut ATELY PErnnTMit.E F.vr'Tr (2-!!0-311 _1 l' : :tr ?!e. o

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'ih!9 fece t- Etc ceuf irr 9 the converection between tie. W. ti. Tucker, and tir. Austin

""riin, et your of fice, at 15'40 on /pril 4,1980.

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t'h t 3 0 Inycotig:1 ting to detercine why pressure could not be mintained during a '

P ent Ic@. rate test on the PRCU .tsointion valves F001 and F004, a 1/4" through-

-it heet. cr't,1 croch vao irTcsted in the heat-af fected zone 1/4" belcw the veld  ;

P t Ho e; ti te 3/4" test connection to the half coupling on the 6" CICU header. l I:'ntncering is evaluating the repair at this tite. i 1

f f'in event in reported under Technical Specification 6.9.1.Sc. '

Yery tritly yours.

TDT. wA. C. Tc111 eon, Jr. , General ltr.ager

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Drtenewick Steam Elcetric Plant

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