ML13333A328
| ML13333A328 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 10/24/1978 |
| From: | Curran J Southern California Edison Co |
| To: | |
| References | |
| NUDOCS 7812130280 | |
| Download: ML13333A328 (2) | |
Text
er~ h Cr or nmt L-dison Caa Octobe~r 24, 1978
\\L H.2~ Fuergeleiory Diretr leS~
U.S.or Nula euaor omsir Office of )nSpection aind Enforcemient Suite 202, Walmit C-reek P1078.
190 fRort California~ue~~~v WJalnut Creek, California 94596 Or'~ir Sir The following infomajtion is submitted as requirr-ei by our Technical
'*pecificotion Section 6..,()
Du~ring 1ro$erv~ce Jrt spectifyn le inq of a knee sttpport and 'shixk suppresyor (sre~e)ottachnerit on thie stean linie Inside containment, twqo linear weld*
itndications were fund which required repair.
A siiar
!;tem n me stiiqp'ort au4 tt~cu~ert; s then inspectedJ aad found to be sati factry Due to Uw! bbove prolem. a visual inspectiry of feidwat.er Ii-w nube rupports inside~ cntoinnment w-,as perform4 --.
Thtis inspection~ revealed cmradted weld! on four feedweter line snubber attachtoerrts.
Repai~rs to these v1'eds
-have been acComp-ishedi.
Ort October
?3, AM7, during1
!,b~e v~b-
),$I tvm s;,rkffh Wsere fourld to 6C. failed due to foosenjurq of tbe pistrm loCk nut, and sberd failvre-of the pist-on rod t~tr'ead-,
)otfh failed sn bbers were loo-ed on feed1watvr linves ins~ide r(ontainrm.nt..
ir H.I. Enqelken, Director II.S. Wuclear Re!ulotury Comisin Octobc-r 24, 19783 Pa ge 0' Z jjr-t felt to lie rited ald po 3!:ibjy tr-vsed by feedwater lIine w-.terhmlrwu event~s which dure~i4Lyipq Phe etrly phases of plan~t. operiorv Ihe tb l ine !;vp!p'rt weid fidicationse a*rt!
~to fbp inre).~e to Cho e~~trLn p)re~s n wi wI I.Uri discussf.- to~ mn'.r? detall in fte In'service Inpioa Ri"por kt investiqation iy, prociee~tt9j which wil inclrlude ftrthe.r inspection tff r 'I it t fedveater lin'e snber,.
A ctpidete report on t,
"3tter
(
.r wit aLcense~e EIvevt Report W-11 Nh for-warded withinv two Weks Siacerely.
H, C.(urrxvi Plathr Koaijr