ML20040B843

Interim Deficiency Rept Re Cracked Coupling Found in Actuator Sys Low Pressure Safety Injection Flow Valve FV 306,initially Reported on 820108.Evaluation Being Performed

ML20040B843
Person / Time
Site:	San Onofre
Issue date:	01/08/1982
From:	Curran J SOUTHERN CALIFORNIA EDISON CO.
To:	Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
10CFR-050.55E, 10CFR-50.55E, NUDOCS 8201260468
Download: ML20040B843 (1)

Text

Docket !!on. 50-361/362 70 55(e) Report J

J ',;t c- m Southern California Edison Company 9 l ~~

P O BOXBOO 2 2 44 W ALNUT GROVE AVEN UE ROSEMEAD C A LIFORNI A 917 70 J. M. CU R R A N t e t t ew o N o.

• • ~.u...uu.o n .ssu..~c' January 8, 1982 ,

A s- -

Mr. R. H. Engelken, Director ,\

Office of Inapection and Enforcement pf 47 U. 3. fluelear Regulatory Comminnion U '

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Region V -l ,

1150 1 Maria Lane, Duite 210 T

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Walnut Creek, California 91506 4

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Dear Mr. Encelken:

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.x ~

Subject:

Docket flou . 50-361 and 50-362 San Onofre !!uclear Generating Station, Unita 2 and 3 Thin let,ter <.onfirma verbal notification on January 8, 1982 of a con _iition dincovered in construction which in concidered potentially reportable in accordance with 10CFH50.55(c). The Low Preocure Safety Injection Flow Valve FV 306 on Unit 2 wan found to have a cracked coupling in the actuator cyctem. The condition could caune a poncible lono of nyntem control by allowing the valve to ,unume an indeterminate position resulting in inadequate fl ow in the Low Precuure Cafety Injection System under accident conditionn.

We are performing an evaluation of thin condition and Will aubmit an appropriate report in accordance with 10CFR50.55-(e)(3) 11 the conditlen in determined to be reportable. If you have any questionc or require additional information, please let me knOW.

Very trull/ yourn, j h 0<r>=v-*--

l' cc: A. . Chaffee (NRC, Dan Onorr Units 2 & 3)

Dr. L. T. Pap.ty _

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.~.,. O w

8201260468 820108

\ E*M DR ADOCK 05000 /

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