ML20091E455
| ML20091E455 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 05/17/1984 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Bishop T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| ANPP-29531-TDS, DER-84-20, NUDOCS 8406010253 | |
| Download: ML20091E455 (3) | |
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Arizona Public Service Company May 17,1984 ANPP-29531-TDS/TRB U. S. Nuclear Regulatory Commission Region 7 Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, CA 94596-5368 Attention: Mr. T. W. Bishop, Director Division of Resident Reactor Projacts and Engineering Programs Subjec t:
Interim Report - DER 34-20 A 50.55(e) Potentially Reportable Deficiency Relating to Displacement Of A Connecting Line In The SI System During Removal Of A Butterfly Valve.
File: 84-019-0 26; D.4.33.2
Reference:
Telephone Conversation between T. Young and J. Cook on April 20,1984.
Dear Sir:
The NRC was notified of a potentially reportable deficiency in the referenced telephone conversation. At that time, it was estimated that a determination of reportability would be made within thirty (30) days.
Due to the extensive investigation and evaluation required, an Interim Report is attached.
It is now axpected that this information will be finalized by July 20, 1984, at which time a complete report will be submitted.
Very truly yours,
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APS Vice President, Nuclear ANPP Project Director EEVB/TRB:db Attachment a"
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Mr. T. W. Bishop DER'84-20 LPage Two cc:
Richard DeYoung, Director
. Office of Inspection and Enforcement -
U. S.= Nuclear Regulatory Commission Washington,'D. C. 20555-
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T. G. Woods, Jr.
D. B. Karner W. E. Ide D. B. Fasnacht A. C. Rogers B. S. Kaplan L. A. Souza D. E. Fowler J. Vorees J. R. Bynum J. M. Allen
- P. P. Klute A. C. Gehr W. J. Stubblefield
- W. G. Bingham R. L. Patterson R. W. Welcher H. D. Foster D. R. Hawkinson L. E. Vorderbrueggen G. A. Fiore11i S. R. Frost J. Self D. Canady Records Center _
Institute of Nuclear Power Operations 1100 circle 75 Parkway, Suite 1500 4
Atlanta, GA 30339 4
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INTERIM REPORT - DER 84-20 POTENTIAL REPORTABLE DEFICIENCY ARIZONA PUBLIC SERVICE COMPANY (APS)
PVNGS UNIT 1 I.
Potential Problem Butterfly valve IJ-SIB-UV-676 was removed because of malfunction during operation. After removal of the valve it was noted that.s misalignment existed on line SIB-308 of 3/4" and 1-3/8" which caused a stress on the valve. The misalignment may have contributed to the malfunction.
I I.- Approach To and Status of Proposed Resolution Bechtel engineering is currently studying this problem to determine reportability and~ technical justification for corrective action.
III. Projected Completion of Corrective Action and Submittal of the Final' Report Evalution of this condition-and submittal of the Final Report is forecast to be completed by July 20, 1984.
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