ML20080J558

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Interim Deficiency Rept DER 83-79 Re Ac Interference Spikes on 125-volt Dc Bus (Diesel Generator) Exceeding Spec. Initially Reported on 831118.Due to Extensive Investigation & Evaluation,Final Rept Will Not Be Submitted Until 840320
ML20080J558
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 01/30/1984
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: Bishop T
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
ANPP-28753-BSK, DER-83-79, NUDOCS 8402150024
Download: ML20080J558 (2)


Text

4 Arizona Public Service Company P o. BOX 21666

[? 7 f _c 4 January 30, 1984 ANPP-28753-BSK/TRB U. S. Nuclear Regulatory Commission Region V Creekside Oaks Office Park 1650 Maria Lane - Suite 210 Walnut Creek, CA 94596-5368 3:s Attention: Mr. T. W. Bishop, Director y

Division of Resident (q

7; w

Reactor Projects and Engineering Programs g

4 a ;a Subject :

Time Extension For Report - DER 83-79 g

o A 50.55(e) Potentially Reportable Deficiency Relating ~To AC --

Interference Spikes On The 125 Volt DC Bus (Diesel Generatorg Exceeds Specification.

co File: 84-019-026; D.4.33.2

Reference:

(A) Telephone conversation between T. Young and K. Parrish on November 18, 1983.

(B) ANPP-28480 dated, December 21, 1983 (Interim Report)

Dear Sir:

The NRC was notified of a potentially reportable deficiency in Reference (A), and an Interim Report was transmitted by Reference (B).

At that time, it was estimated that a Final Report would be svallable by February 7, 1984.

Due to the extensive investigation and evaluation required. it is now expected that this information will be finalized by March 20, 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, C

m.

C R.Q d LLC

(

E. E. Van Brunt, Jr.

APS Vice President, Nuclear ANPP Project Director EEVB/TRB:db cc: See Page Two 8402150024 840130 PDR ADOCK 05000520 S

PDR

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Mr. T. W. Bishop DER 83-79 Page Two cc:

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

J. A. Ruedel D. B. Fasnacht A. C. Rogers B. S. Kaplan W. E. Ide

- J. Vorees J. R. Bynum P. P. Klute A. C. Gehr W. J. Stubblefield W. G. Bingham R. L. Fatterson R. W. Welcher II. D. Foster D. R. Hawkinson L. E. Vorderbrueggen G. A. Florelli S. R. Frost J. Self D. Canady Records Center Institute of Nuclear Power Operations 1100 circle 75 Parkway, Suite 1500 Atlanta, GA 30339 L__