ML20084A851

AO 75-07:eddy Current Testing Program Indicated That 10 a & 12 B Steam Generator Hot Leg Tubes Had Wall Thinning of 50% or Greater.Cause Not Stated

ML20084A851
Person / Time
Site:	Ginna
Issue date:	03/24/1975
From:	Platt C ROCHESTER GAS & ELECTRIC CORP.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20084A842	List: ML20084A851
References
AO-75-07, AO-75-7, NUDOCS 8304050643
Download: ML20084A851 (1)

Text

- _ - _ _ _ _ _ _ _ - - _

lj %-

ji ?

~

y' 3 6 -- w

, y

• c* w--

-_ gr>w ,=

G

• • 'se*=='*. ' "

y }

an ,w- W :$,O

, b.4

~-

e

~

. .03Nlskn2

• h 5

r r

RacnastansAs AND:EC.ECTIUC CORPORAnOWe 02:6A$7:AVENUG, ROCHESTER;.NN* $5G.' ': h y -

moreierwe .

anga caos ven. 540 2700- _

y Ginna- Stationu y March;24,.1975' ,_j E

= &-

Itc& Jsacs. P. .O?Rnilly- d U. S.,Hacicar Regulatory-Cournismfosaa  ;

f')d hitectoratu of Pagniatory Operations.

9 y Benton41 631 Parie Avenue-10.ng of Pruanin,_ Pennsylvania. 19406 __

- _i Eubjectt Abnormal Occurrence #75 07: Abnormal: DagradAtthn.on Steam. Canaraton Tubas-f _---

W Boar Mea O'Rhillyt I ,-

% Thi's- la toi confirm my phone call to,Mr. John Hannoni.thi~s. morning. to4 reporn.-

Abnormal Occurrupse. 475-07

et, Ginnac Stationi. W K -4 g

At. the beginning .of 'our.. refueling shutdowns,. am cddy current testing prograar wse carrind. out< for. the "A"' and 'W Steeve Generators. . Prelirminary' resulta-

[-

froes tha tes t indicate that 10 ' tubas in,.tha. "A"* Stemar Generator hot, Ing and_. "

1.2 tubes in..the "B"' Stoam Ganarator-hot les .indicatod' tube waLI thibning of.

50%,:or greater.

e _-_

k Very truly yours, {

b + k,C b g Chrics H. Platt y

- Superintendante h w ---

Fim 1 g CC2 fth. t m

E c.c: Mr. G. J. Svarthout, itCE.U: Corp 6 =

y Mr. L. Da White, Jr., RGGII Corp. .

En a

d g

E=

- w E

, M 2

8304050643ho 4

/ PDR ADOCK O PDR &

. S E- h_

,