ML17313A123

Forwards LER 97-004-00 Re Inverters for Class 1E 120 Vac Vital Instrument Distribution Buses & Inverters for Class 1E 125 Vdc Buses Which Were Not in Compliance W/Seismic Design Requirements

ML17313A123
Person / Time
Site:	Palo Verde
Issue date:	11/24/1997
From:	Overbeck G ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17313A124	List: ML17313A123
References
192-01006-GRO-D, 192-1006-GRO-D, NUDOCS 9712010285
Download: ML17313A123 (6)

Text

~

CATEGORY 1 REGUL'AT Y,INFORMAT1ON DISTRIBUTION 'YSTEM (RIDS) r ACCESSION NBR:9712010285 DOC.DATE: 97/11/24 NOTARIZED: NO FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000508 DOCKET I AUTH.NP"CE ; ~ AUTHOR AFFIL1ATION

.OVERBECK-,G.R. Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP . NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards LER 97-004-00 re inverters of Class lE 120 VAC vital instrument distribution buses E inverters for Class lE C

, .125 VDC buses were not in compliance w/seismic design requirements. a DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR 'NCL SIZE:

TITLE: 50.73/50.9'icensee Event Report (LER)., Xncident Rpt,'tc.

E NOTES: STANDARDIZED PLANT 05000528 G

aaaa'OPIES RECIPIENT COPIES RECIPIENT'D 0

ID CODE/NAME LTTR ENCL CODE/NAME LTTR ENCL PD4-2 PD 1 1 CLIFFORD,J 1 1 INTERNAL: ACRS .-1 1 AEO SPD RAB 2 2. Y AEOD/S PD/RRAB 1 1 CENTER 1 1 ~

NRR/DE/ECGB 1 1 1 1 NRR'/DE/EMEB 1 1 NRR/DRCH/HHFB 1 1 1 NRR/DRCH/HICB 1 1 NRR/DRCH/HOLB 1 1 NRR/DRCH/HQMB 1 1 NRR/DRPM/PECB 1 1 NRR/DSSA/SPLB 1 1 NRR/DSSA/SRXB 1 1 RES/DET/EXB 1 1 RGN4 FILE 01 '1 1 D EXTERNAL: L ST LOBBY WARD 1 1 LITCO BRYCE,J H 1 1 NOAC POORE,W. 1 1 NOAC QUEENER,DS 1 1 NRC PDR 1 1 NUDOCS FULL TXT 1 1 E

N NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD) ON EXTENS1ON 415-2083 FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPXES REQUIRED: LTTR 25 ENCL 25

0 Mail Station 7602 Greg g R. Overbeck Vice Pres1dent TEL 602/393-5148 P.O. Box 52034 Palo Verde Nuclear Nuclear Production FAX 602/3934077 Phoenix, AZ 85072-2034 Generating Station 192-01006 - GRO/DGM/KR November 24, 1997 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, D.C. 205554001

Subject:

Palo Yerde Nuclear Generating Station (PVNGS)

Unit1 Docket No. STN 50-528 License No. NPF41 Voluntary Licensee Event Report 9740440 Attached please find voluntary Licensee Event Report (LER) 97404-00 prepared and submitted pursuant.to 10CFR50.73. This LER reports that inverters for the Class 1E 120 VAC vital instrument distribution buses and inverters for the Class 1E 125 VDC buses were not in compliance with seismic design requirements. In accordance with 10CFR50.73(d), a copy of this LER is being forwarded to the Regional Administrator, NRC Region IV. If you have any questions, please contact Daniel G. Marks, Section Leader, Nuclear Regulatory Affairs, at (602) 393-6492.

Sincerely, GRO/DGM/KR/mah Attachment cc: E. W. Merschoff (all with attachment)

K E. Perkins J. H. Moorman INPO Records Center 97i20i0285 97ii24 PDR ADQCK 05000528 ' Jlllpllp!ppillgllg/lllllllgllp PDR

0 0 I U.S.Nuclear Regulatory Commission Licensee Event Report 1-97-004-00 ATTN: Document Control Desk Page 2 D. M. Smith (7294)

L. C. Zell (7198)

M. D. Games - (7298)

P. J. Kirker (7398)

CRDR File: 9-'7-1514 as associated 1'-7-0283 9-7-1464 9-7-1500 T. C. Cannon C. D. Mauldin J. C. Velotta (7545)

(7299) ';

(6156)

R. C. Fullmer (7992)

(STA) (7833)

(OSRC) (7965)

L. K Houghtby (7616)-

(ISE) (7965)

R. A. Bernier (7636)

W. W. Montefour (7466)

J. M. Welsh (7646)

N. E. Meador (7636)

CRDR Desk (7997)

P. L. Gideon (9909)

CONCURRENCE:

D. M. Smith L. C. Zell

~~ li/s/iw E. Flodin /o/g//fp D. G. Marks 'l n 0/f7 A. K Krainik

0 P p,/

l"