ML17313A411

Forwards LER 98-006-00 Reporting Condition Where HPSI Pump Discharge Check Valves Were Misaligned Which Resulted in Unacceptable Reverse Flow.Supplemental LER Will Be Submitted by 980807

ML17313A411
Person / Time
Site:	Palo Verde
Issue date:	06/05/1998
From:	Ide W ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17313A412	List: ML17313A411 ML17313A413
References
192-01021-WEI-D, 192-1021-WEI-D, NUDOCS 9806160053
Download: ML17313A411 (4)

Text

~ CATEGORY REGULATORY INFORMATION DISTRIBUTION lg SYSTEM'RIDS)

ACCESSION NBR:9806160053 FACZL:STN-50-528 Palo Verde Nuclear Station, DOC.DATE: 98/06/05 NOTARIZED: NO 'OCKET I Unit 1, Arizona. Publi 05000528 AUTH.NIL 'UTHOR AFFILIATION IDE,W.E. Arizona Public Service Co. (formerly Arizona Nuclear Power RECZP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards LER 98-006-00 reporting condition where HPSI pump discharge check valves were misaligned which resulted in unacceptable reverse flow. Supplemental LER will be submitted by IE22T'OPIES 980807.'ISTRIBUTION, CODE: RECEIVED:LTR 1 ENCL ( SIZE: )

TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.

p NOTES: STANDARDIZED PLANT 05000528 G

RECIPIENT COPIES 'ECIPIENT COPIES 0 ID CODE/NAME LTTR ENCL ZD CODE/NAME LTTR ENCL PD4-2 PD 1 1 FIELDS,M 1 1 INTERNALs ACRS 1' 2 2 AEOD/S PD/RRAB 1 1 1L E 1 1 NRR/DE/ECGB 1 1 LB 1 1 NRR/DE/EMEB 1 1 NRR/DRCH/HHFB 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/EZB 1 1 RGN4 FILE 01 1 1 D EXTERNAL: L ST LOBBY WARD'OAC 1 1 LZTCO BRYCE,J H 1 1 0 POORE,W. 1 1 NOAC QUEENER,DS 1 1 NRC PDR 1 1 NUDOCS FULL 'TXT 1 1 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 EXTENSION 415-2083 FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 25 ENCL 25

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William E. lde Mail Station 7605 Palo Verde Nuclear Vice President TEL 602/3934116 P.O. Box 52034 Generating Station Nuclear Engineering FAX 602I3934077 Phoenix, AZ 65072-2034 192-01021-WEI/DGM/RAS June 5, 1998 U. S. Nuclear. Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, D.C. 20555-0001

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2 and 3 Docket No. STN 50-528, 50-529, 50-530 License No. NPF41, NPF-51, NPF-74 Licensee Event Report 98-00640 Attached please find Licensee Event Report (LER) 98-006-00 prepared and submitted pursuant to 10 CFR 50.73. This LER reports a condition where the High Pressure Safety Injection pump discharge check valves were.misaligned resulting in unacceptable reverse flow. The LER contains specific commitments for correcting the condition and a supplement to this LER will be submitted by August 7, 1998.

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, Regulatory Affairs, at (602) 393-6492.

Sincerely, WEI/DGM/RAS/rlh Attachment cc: E. W. Merschoff (all with attachment)

K. E. Perkins J. H. Moorman INPO Records Center 9BObi60058 '780605 PDR ADQCK. 05OOG428 8 PDR

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