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| issue date = 03/25/1998
| issue date = 03/25/1998
| title = Forwards LER 98-002-00 Prepared & Submitted,Per 10CFR50.73. LER Repts TS Violation Due to Improperly Performed Shiftly Channel Checked for Core Protection Calculators Following CPC Data Link Failure
| title = Forwards LER 98-002-00 Prepared & Submitted,Per 10CFR50.73. LER Repts TS Violation Due to Improperly Performed Shiftly Channel Checked for Core Protection Calculators Following CPC Data Link Failure
| author name = OVERBECK G R
| author name = Overbeck G
| author affiliation = ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
| author affiliation = ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
| addressee name =  
| addressee name =  
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:CATEGORY 1 REGUL ORY INFORMATION DISTRIBUT SYSTEM (RIDS)ACCESSION NBR:9804080176 DOC.DATE: 98/03/25 NOTARIZED NO DOCKET g FACIL:STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 AUTH.NAME AUTHOR AFFILIATION OVERBECK,G.R.
{{#Wiki_filter:CATEGORY 1 REGUL   ORY INFORMATION     DISTRIBUT       SYSTEM (RIDS)
Arizona Public Service Co.(formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
ACCESSION NBR:9804080176             DOC.DATE:   98/03/25     NOTARIZED   NO           DOCKET g FACIL:STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi                       05000529 AUTH. NAME             AUTHOR AFFILIATION OVERBECK,G.R.         Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME             RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)


==SUBJECT:==
==SUBJECT:==
Forwards LER 98-002-00 prepared&submitted,per 10CFR50.73.
Forwards LER       98-002-00 prepared       & submitted,per 10CFR50.73.
LER repts TS violation due to improperly performed shiftly channel checked for core protection calculators following CPC data link failure.DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR g ENCL g SIZE:+5 TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.NOTES:Standardized plant.RECIPIENT ID CODE/NAME PD4-2 PD INTERNAL: ACRS AEOD/SPD/RRAB NRR/DE/ECGB NRR/DE/EMEB NRR/DRCH/HICB NRR/DRCH/HQMB NRR/DSSA/SPLB RES/DET/EIB EXTERNAL: L ST LOBBY WARD NOAC POORE,W.NRC PDR COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RECIPIENT ID CODE/NAME FIELDS,M AEOD PD/ILE CE~EELB NRR/DRCH/HHFB NRR/DRCH/HOLB NRR/DRPM/PECB NRR/DSSA/SRXB RGN4 PILE 01 LITCO BRYCE,J H NOAC QUEENER,DS NUDOCS FULL TXT COPIES LTTR ENCL 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 05000529 E G D 0 E NOTE TO ALL"RZDS" RECIPIENTS:
LER repts TS     violation due to improperly performed shiftly channel checked for core protection calculators following CPC data link failure.
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 I
DISTRIBUTION CODE: IE22T         COPIES RECEIVED:LTR       g ENCL TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.     g    SIZE:      +5 NOTES:Standardized plant.                                                                         E 05000529 G
Cnmm/tmnnt.
RECIPIENT            COPIES              RECIPIENT           COPIES ID CODE/NAME          LTTR ENCL          ID CODE/NAME         LTTR ENCL PD4-2 PD                   1    1      FIELDS,M                  1      1 INTERNAL: ACRS                         1    1      AEOD    PD/              2      2 AEOD/SPD/RRAB             1    1        ILE  CE                1      1 NRR/DE/ECGB               1    1              ~EELB              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/EIB              1     1       RGN4      PILE 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 0
/nmnmt/nn.
NRC PDR                  1     1       NUDOCS FULL TXT          1     1 E
Energy.Palo Verde Nuclear Generating Station Gregg R.Overbeck Vice President Nuclear Production TEL 602/393-5148 FAX 602/3936077 Mail Station 7602 P.O.Box 52034 Phoenix, AZ 85072-2034 U.S.Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, D.C.20555-0001 192-01017-GRO/DGM/KR March 25, 1998
NOTE TO ALL "RZDS" 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
 
I Cnmm/tmnnt. /nmnmt/nn. Energy.
Gregg R. Overbeck                             Mail Station 7602 Palo Verde Nuclear              Vice President             TEL 602/393-5148   P.O. Box 52034 Generating Station              Nuclear Production        FAX 602/3936077    Phoenix, AZ 85072-2034 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk                                           192-01017-GRO/DGM/KR Mail Station P1-37                                                     March 25, 1998 Washington, D.C. 20555-0001


==Dear Sirs:==
==Dear Sirs:==


==Subject:==
==Subject:==
Palo Verde Nuclear Generating Station (PVNGS)Unit 2 Docket No.STN 50-529 License No.NPF-51 Licensee Event Report 9840240 Attached please find Licensee Event Report (LER)98-002-00 prepared and submitted pursuant to 10 CFR 50.73.This LER reports a Technical Specification (TS)violation due to improperly performed shiftly channel checks for the Core Protection Calculators (CPC)following a CPC data link failure that remained undetected over four shifts.As an action to prevent recurrence, APS has committed to changing the applicable procedures to ensure that data anomalies or error messages on the computer printouts for CPC are detected.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, GRO/DGM/KR/rlh.Attachment cc: E.W.Merschoff K.E.Perkins J.H.Moorman INPO Records Center 9804080176 980325 PDR ADOCK 05000529 S PDR (all with attachment)
Palo Verde Nuclear Generating Station (PVNGS)
+cP 2}}
Unit 2 Docket No. STN 50-529 License No. NPF-51 Licensee Event Report 9840240 Attached please find Licensee Event Report (LER) 98-002-00 prepared and submitted pursuant to 10 CFR 50.73. This LER reports a Technical Specification (TS) violation due to improperly performed shiftly channel checks for the Core Protection Calculators (CPC) following a CPC data link failure that remained undetected over four shifts. As an action to prevent recurrence, APS has committed to changing the applicable procedures to ensure that data anomalies or error messages on the computer printouts for CPC are detected.
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, GRO/DGM/KR/rlh
.Attachment cc:     E. W. Merschoff                       (all with attachment)
                                                                                              +cP 2 K. E. Perkins J. H. Moorman INPO Records Center 9804080176 980325 PDR       ADOCK 05000529 S                                 PDR}}

Latest revision as of 08:43, 29 October 2019

Forwards LER 98-002-00 Prepared & Submitted,Per 10CFR50.73. LER Repts TS Violation Due to Improperly Performed Shiftly Channel Checked for Core Protection Calculators Following CPC Data Link Failure
ML17313A320
Person / Time
Site: Palo Verde Arizona Public Service icon.png
Issue date: 03/25/1998
From: Overbeck G
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17313A321 List:
References
192-01017-GRO-D, 192-1017-GRO-D, NUDOCS 9804080176
Download: ML17313A320 (4)
v • d • e


Text

CATEGORY 1 REGUL ORY INFORMATION DISTRIBUT SYSTEM (RIDS)

ACCESSION NBR:9804080176 DOC.DATE: 98/03/25 NOTARIZED NO DOCKET g FACIL:STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 AUTH. NAME AUTHOR AFFILIATION OVERBECK,G.R. Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards LER 98-002-00 prepared & submitted,per 10CFR50.73.

LER repts TS violation due to improperly performed shiftly channel checked for core protection calculators following CPC data link failure.

DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR g ENCL TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc. g SIZE: +5 NOTES:Standardized plant. E 05000529 G

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD4-2 PD 1 1 FIELDS,M 1 1 INTERNAL: ACRS 1 1 AEOD PD/ 2 2 AEOD/SPD/RRAB 1 1 ILE CE 1 1 NRR/DE/ECGB 1 1 ~EELB 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/EIB 1 1 RGN4 PILE 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 0

NRC PDR 1 1 NUDOCS FULL TXT 1 1 E

NOTE TO ALL "RZDS" 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

I Cnmm/tmnnt. /nmnmt/nn. Energy.

Gregg R. Overbeck Mail Station 7602 Palo Verde Nuclear Vice President TEL 602/393-5148 P.O. Box 52034 Generating Station Nuclear Production FAX 602/3936077 Phoenix, AZ 85072-2034 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk 192-01017-GRO/DGM/KR Mail Station P1-37 March 25, 1998 Washington, D.C. 20555-0001

Dear Sirs:

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Unit 2 Docket No. STN 50-529 License No. NPF-51 Licensee Event Report 9840240 Attached please find Licensee Event Report (LER) 98-002-00 prepared and submitted pursuant to 10 CFR 50.73. This LER reports a Technical Specification (TS) violation due to improperly performed shiftly channel checks for the Core Protection Calculators (CPC) following a CPC data link failure that remained undetected over four shifts. As an action to prevent recurrence, APS has committed to changing the applicable procedures to ensure that data anomalies or error messages on the computer printouts for CPC are detected.

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, GRO/DGM/KR/rlh

.Attachment cc: E. W. Merschoff (all with attachment)

+cP 2 K. E. Perkins J. H. Moorman INPO Records Center 9804080176 980325 PDR ADOCK 05000529 S PDR

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