ML20083F054

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Interim Deficiency Rept DER 83-52 Re Beta Products Power Supplies Feeding Noise Into 125-volt Dc Bus.Initially Reported on 830802.Final Rept Delayed Until 840111 Due to Extensive Investigation & Evaluation
ML20083F054
Person / Time
Site: Palo Verde Arizona Public Service icon.png
Issue date: 12/08/1983
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: Bishop T
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
10CFR-050.55E, 10CFR-50.55E, ANPP-28385-BSK, DER-83-52, NUDOCS 8312300121
Download: ML20083F054 (2)


Text

x Arizona Public Service Company P o BOX 21666

  • PHOENIX. ARIZON A 85036 I',' '

December 8, 1983 ANPP-28385-BSK/KCP "O33 EC 10 PM 3 2?

U. S. Nuclear Regulatory Commission Region V

>S W Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, CA 94596-5368 Attention: Mr. T. W. Bishop, Director, Division of Resident, Reactor Projects and Engineering Programs

Subject:

Time Extension for Report - DER 83-52 A 50.55(e) Poter.tially Reportable Condition Relating To Power Supplies By Beta Products Are Feeding Noise Into The 125 Volt DC Bus File:

83-019-026; D.4.33.2 Ref erence : (A) Telephone Conversation between P. Narbut and R. Tucker on August 2, 1983.

(B) ANPP-27601, dated August 22, 1983 (Interin Report)

(C) ANPP-28067, dated October 24, 1983 (Time Extension)

Dear Sir:

The NRC was notified of a potentially reportable deficiency in Reference (A), an Interim Report was transmitted by Reference (B), and a Time Extension was requested by Reference (C). At that time, it was estimated that a Final Report would be available by December 7, 1983.

Due to the extensive investigation and evaluation required, it is now expected that this information will be finalized by January ll,1984, at which time a complete report will be submitted.

There is no new information or change to the Interim Report at this time.

Very truly yours, e

CQL G Llk E. E. Van Brunt, Jr.

APS Vice President, Nuclear Projects Management ANPP Project Director EEVBJr/KCP:ru cc: See Page 2 9312300121 031208 L

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Mr. T. W. Bishop DER 83-52 Page 2 cc:

Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory. Commission Washington, D. C. 20555 T. G. Woods, Jr.

G. C. Andognini J. A. Roedel D. B. Fasnacht A. C. Rogers

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S. Kaplan W. E. Ide J. Vorees J. R. Bynum D. D. Green /P. P. Klute A. C. Gehr.

'W. J. Stubblefield W. G. Bingham R. L. Patterson R. W. Welcher R. M. Grant D. R. Hawkinson L. E. Vorderbrueggen G. A. Fiorelli S. R. Frost-J. Self D. Canady Records Center Institute of Nuclear Power Operations 1100 circle 75 Parkway - Suite 1500 Atlanta, Georgia 30339 i

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