ML19325E678

Part 21 & Deficiency Rept Re Broken Swing Arm in High Pressure Swing Check Valve at Plant.Initially Reported on 890620.Failure Analysis on Broken Swing Arm Being Performed

ML19325E678
Person / Time
Site:	Comanche Peak
Issue date:	10/02/1989
From:	Godwin G BW/IP INTERNATIONAL, INC. (FORMERLY BYRON JACKSON
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
REF-PT21-89, REF-PT21-89-192-000 CFRN-8901, PT21-89-192, PT21-89-192-000, NUDOCS 8911080240
Download: ML19325E678 (5)

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p ' P O Dok Los Angeles Telephone l F13 6B7 (,171 me P01F lorminal Cahlornia 90051 Teles i

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< Annen c.rnas Ceestrifugal yg3 99 p:q)g Pumps Pung Omskm

.2 October 1989 l"  !

i Administrator, Office of Inspection c and Enforcement, Region V L U. S. Nuclear Regulatory Commission F

1450 Maria Lane, Suite 210  ;

Walnut Cteek, California 94596 -

Gentlemen:

i This letter transmits a notification of defects, and nonconformances I required by 10CFR - Part 21. The attached notificatAon, CFRN-8901, reports a condition which occurred st Texas Utilities Comanche Peak Steam Electric Station.

Very'truly yours, G. C. G dwfn Manager Los Angeles Operations CCG/ah P

Attach: 3 Copies of Notification i cc: Mr. F. J . Borgers, Vice President Operations Mr. E. B. Fiske, Directer of ngineering Mr. R. D. Ham, Manager of Quality '

Dr. S. Gopalakrishnan, Manager of Engineering 9 D S 100 60 Dr. K, A. Huber, Technical Liaison ,

Mr. W. A. Klenner, Project Manager A N01038 CUN 9911080240 891002 03Al3038 PDR ADOCM 05000445 { '\

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10 CFR PART 21 NOTIFICATION ~

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, NAME AND ADDRESS- OF THE INDIVIDUAL' OR INDIVIDUALS INFORMING THE ,

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. , . Mr. G,-C.'Godwin BW/IP' International, Inc. [

[W' . Pump. Division

<O., Los Angeles'0peration  !

,g . '2300-E. Vernon Avenue

' Ve'rnon, ; CA , 90058.-

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4 For Technical Information

Contact:

Dr. Kent Huber lf i

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IDhNTIFICATIONOFTHEFACILITY,THEACTIVITY,ORTHEBASICCOM- i

' l' PONENT SUPPLIED FOR SUCH FACILITY OR SUCH ACTIVITY WITHIN THE. UNITED. '

' STATES WHICH FAILS TO COMPLY OR CONTAINS A DEFECT: 1 y, 7

, s Texas Utilities, Comanche Peak Steam Electric. Station. 'f y.- , Basic Component, High Pressure Swing Check Valve. Serial No'..17145 i

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Drawing No. 76490.- Texas Utilities Tag'No. lSW-048.

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(IDENTIFICATION OF THE FIRM CONSTRUCTING THE FACILITY OR SUPPLYING THE BASIC COMPONENT WHICH FAILS TO COMPLY OR CONTAINS A DEFECT: i

,,  ; g BW/IP International, Inc.

? Successor to:  !

( , Borg-Warner Nuclear Valve Division (

g.. 7500 Tyrone Avenue  ?

Van Nuys, CA 91409

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t i2  ::5l:, 10' CFR, Pirt ' 21, NotificOtion

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• NATURE OF THE' DEFECT 'OR' FAILURE 'ID COMPLY AND THE SAFETY HAZARD WilICH plh -, ', IS CREATED OR COULD'BE CREATED BY SUCH DEFECT OR FAILURE TO COMPLY: ,

' Nature of Defect:

.The' swing arm in,the valve was found broken-during an inspection at the.

Comanche Peak Steam Electric Station. Safety hazard whichfiw created or

could'be created is' unknown, due to insufficient knowledge of component S' . service and. mode ofLoperation.

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h THE DATE ON WHICH THE INFORMATION OF' SUCH DEFECT OR FAILURE' TO COMPLY D WAS OBTAINED:

1 g The incident was intially reported to BW/IP-International'on.

., , 20 June 1989. Additional information concerning the failure has K 't

' subsequently.been: supplied by Texas Utilities.

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.IN THE CASE OF A BASIC COMPONENT WHICH CONTAINS A DEFECT OR FAILS TO COMPLY, THE NUMBER AND LOCATION OF ALL SUCH COMPONENTS IN USE AT, SUPPLIED FOR, OR BEING~ SUPPLIED FOR ONE OR MORE FACILITIES OR ACTIVITIES SUBJECT TO THE REGULATIONS IN THIS PART:

Initial investigation of the failed component has indicated no defects or failure to comply, nor has BW/IP received any notification of similar failures in.like components in operating plants with many years of

, service (see' Attachment A).

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10: CFR, P2rt 21,[Notificitions P . Di ' (Ref. No. CFRN-8901)=

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[ THE CCRRECTIVE' ACTION '!HICH HAS- BEEN, IS BEING, OR WTLL DE TAKEN; THE HAME. O.t THE INDIVIDUA*a OR ORGANIZATION RESPONSIBLE FOR TIIE ' ACTION; AND' Td? if7A' OF TE4E THAT HAS BEEN OR WILL BE TAKEN TO COMPLETE THE K .a : - ACTION:-

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, Texas Utility.is performing a failure analysis on the broke" arm. As W <of this date BW/IP-International has not completed'their review of.

this effort'. After the review is complete, BW/IP.will perform an

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. . independent evaluation as appropriate.-

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A1:Y ADVICE RELATED TO THE DEFECT OR FAILURE TO COMPLY ABOUT THE FACILITYt.

ACTIVITY, OR BASIC COMPONENT THAT HAS BEEN,' IS BEING, OR WILL BE GIVEN' TO PURCHASERS OR LICENSEES:-

To date this is the only known instance of a swing check valve arm-

" f ailure of any. Borg-Warner Nuclear Valve.

However, BW/IP will inform customers of this failure.

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E , ATTACHMENT A u

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(L. '1.- Florida Power & Light, St. Lucie Station U i

., 2. Texas Utilities Generating Co., Comanche Peak Station  !

3. Washington Public' Power Supply System, WNP 3 SATSOP l b 4 ~ Tennessee Valley Authrity. Browns Ferry Station  ;

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5. Tennessee Valley Authority, Watts Bar Station .

6. Arkansas Power and Light, ANO-1 I

(; 7. Arizona Public Service Co., Palo Verde Station i' '

Cleveland Electric Illuminating Co., Perry Nuclear Station 8.

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9. Duke Power Company,!!cGuire Station  ;

10. Duke Power Company, Catawba Station

11. Societe Belgo-Francaise d'Energie, Tihange Station '[

12. Taiwan Power Company, Maanshan Station l

13. Nuklearna Elektrana Krsko, Krsko Station ,

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