ML20148K531

From kanterella
Jump to navigation Jump to search
RO 50-29/78-30:on 781109,approx 100% Eddy Current Exam of Steam Generators 1 & 4 Revealed That 15 Tubes in Steam Generator 1 & 12 Tubes in Steam Generator 4 Have Degraded Tubes of More than 40% Wall Thickness
ML20148K531
Person / Time
Site: Yankee Rowe
Issue date: 11/09/1978
From: Autio H
YANKEE ATOMIC ELECTRIC CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
RO-50-29-78-30, NUDOCS 7811170200
Download: ML20148K531 (1)


Text

x f

.E.. _._r.. as..._

YANKEE G4705N ELECTRM COMPM'i p.

g c 2y w

x.,...,s,,c.,, c u.,n Y.. Amu.ee -

w,v -,..t 9

ma trn i t-i s o t -,.,, e i, r n. y,,, <,,,,.. y c.,,

m, n e i t,,, r.. w,,,,,, a n,,.,..,,,,

U r g ( 9 te I m e, t x s,,..,,.

m.x n ern

,,. r, m e,,

At t erstino :

+1,,

3.

g, g7g Dest 'It, G r i.* r -

i P*irstaant ta the rerpii re rnt a a f ' T e r,.ev i r ;> 1 ig...r i f i ~ t i.on,

scetinn l

4 9 u, u. t w r., o <.m n, e - i.. t - 4.

n,,,,, w..

<.. !, -,, c,.

50-19/78-30,. Sn. t and a %,- cr. r u r, e

.. t. c ne e r a s i,,,,

Ap t'inv i a ** t

  • l y 14 9 *. " a d y ' ? " r ' e f' t

v l ', J t 4 4 " "I

9. h e N - }

I d a e t c ia-w, e, a.", n -,,,: v, a o -

.,, r r,, t e t u,.., n u,c at

r. o s.- - m o,e ve. 1 st o,.

e...r e.ar

-,4 u ein.,

4., t o.. :,,. & stor emeu,t or n n -

4 cerea.4 to ;,a nt-u,s,n m <,n n,nw.s,.

YV f1 f7f I.f1 P d F' V t 1 d *' d EUbe m t, n de ss N,*

1 *

  • p.g r perfte v S t ar %rp re th rO,sgb b O1.}

f a.i l u r e =.

There f,tlure. Svd r e - u t t e *. in a p r t - a ry to = a r n n d a ry l ed a ge o f spu rr n e-e ' e i r 125,1311."n9 &/ aua n g ti la n t orn' t a t t <e n

.t u s t prior rota e

the Co r e XI Re f.ue t me Out ne to w

v.,. c., s...,,,,. r, t,, r y, n,,,

,,,,,,,,,s.

u,1.,,,,,, mm,i re,_

4 rM f ' 'I'!t a i l e d r e t,o r t c.- i l l t, e s

en,.8'i d 'sithin en m a,

,,. - t v t t,, i y v.,,, r.,

7811170dc0 S'. L.!.f.'.h k

frtbc t

.s

.,ot 4 y II.* ft t Nip *! r i n

  • i reele nt NNP t,i 4 r

cc:

[2}

Direetne, r.' ' f i r e a f 'S n.i v e r - i I r..

-1stien L' r w < a r-Cevet ol c,,,.,,,.,' n gr p.

y,g g,3 7 ef p,,,;,...,,.

ve c>nvian. D.0

.:0; a 07 b\\D RT-17-P.-0~-et?

\\ \\

.,.y., 3,,.

y,,,.. ur u,..

,4,, 4 mg,.r.s :. o.... o u,

,,f i s., s.. s +,

.e.,,

o os.y,,,,

,m3s.

L G

/

A 9

2