ML17300B211

Monthly Operating Repts for Jan 1988.W/880215 Ltr

ML17300B211
Person / Time
Site:	Palo Verde
Issue date:	01/31/1988
From:	Colville J, Haynes J ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
212-00107-JGH-T, 212-107-JGH-T, NUDOCS 8802190126
Download: ML17300B211 (44)

Text

AC CELEMYZD DISXKBUTJON DEMONSTRATION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS) 4 gg juz-P~

ACCESSION NBR 8802190126 DOC.DATE: 85/01/31 NOTARIZED: NO DOCKET FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 AUTH. NAME AUTHOR AFFILIATION COLVILLE,J.M. Arizona Nuclear Power Project (formerly Arizona Public Serv HAYNES,J.G. Arizona Nuclear Power Project (formerly Arizona Public Serv RECIP.NAME RECIPIENT AFFILIATION Monthly operating repts for Jan 198 .W/880215 r.

SUBJECT:

DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs)

L i SIZE: Z i NOTES:Standardized plant. 05000528 8 Standardized plant. 05000529 Standardized plant.

05000530'ECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD5 LA 1 0 PD5 PD 5 5 LICITRA,E 1 0 DAVIS,M 1 0 INTERNAL: ACRS 10 10 AEOD/DOA 1 1 AEOD/DSP/TPAB 1 1 ARM TECH ADV 2 2 NRR/DLPQ/PEB 1 1 NRR/DOEA/EAB 1 1 RPB 1 1 NRR/PMAS/ILRB 1 1 REG FIL 01 1 1 RGN5 1 1 EXTERNAL EG&G GROH E M 1 1 LPDR 1 1 NRC PDR 1 1 NSIC 1 1 NOTES: 1 1 S

A TOTAL NUMBER OF COPIES REQUIRED: LTTR 33 ENCL 30

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c Arizona Nuclear Power Project P.o. BOX 52034 ' PHOENIX, ARIZONA 85072-2034 212-00107-JGH/TJB February 15, 1988 Docket Nos. STN 50-528/529/530 U.ST Nuclear Regulatory Commission Washington, D.C. 20555 Attention: Document Control Desk Gentlemen:

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2 and 3 January Monthly Operating Report File: 88-024-404; 88-056-026 Attached are the January Monthly Operating Reports prepared and submitted pursuant to Specification 6. 9. 1. 6 of Appendix A (Technical Specifications) to the Palo Verde Nuclear Generating Station, Units 1, 2 and 3 Opdrating Licenses. By copy of this letter, we are also forwarding a copy of the Monthly Operating Reports to the Regional Administrator of the Region V Office.

Due to PVNGS Unit 3 being declared commercial on January 8, 1988, there are two separate reports for Unit 3.

If you have any questions, please contact Mr. T. J. Bloom, at (602) 371-4187.

Very truly yours, T Cj . )0 )VULVA J. G. Haynes Vice President Nuclear Production JGH/TJB/rw Attachments cc: 0. M. De Michele (all w/a)

E. E. Van Brunt, Jr.

J. B. Martin E. A. Licitra A. C. Gehr J. A. Amenta INPO Records Center

1 t NRC NONTHLY OPERATING REPORT t

'DOCKET NO. 50"528 UNIT NAME PVNGS-1 DATE 02/10/88 COMPLETED BY J.N. Colville TELEPHONE '02-393-2679 OPERATING STATUS 1." Unit Name. Palo Verde Nuclear Generating Station~ Unit

2. Reporting Period: January 1988

3. Thermal Power (NMt): 3800

'icensed Nameplate Rating (Gross NMe): 1403

5. Design Electrical Rating (Net NMe>: 1270

6. Maximum Dependable Capacity (Gross NMe): 1303 7~ Maximum Dependable Capacity (Net, NMe): 1221

8. If Changes Occur In Capacity'atings (Items Number 3 Through 7)

Since Last'eport, Give Reasons:

9. Power Level to Mhich Restricted, If Any (Net NMe): NONE

10. Reasons For Restrictions, If Any:

This Month Yr.-,t'o-Date Cumulative l.

Hours in Report.ing Period 744 744 17616 12 ~ Number of Hours Reactor Mas Critical 0.0 0.0 9 g 977.2

13. Reactor Reserve Shutdown Hours h 0.0 0.0 0.0

14. Hours Generator On-Line 0.0 0.0 9 717.1

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (NMH) 0.0 0.0 35~032~837 17 Gross Electrical Energy Generated'(MMH) 0.0 0.0 12~143~300 Net Electrical Energy

'8.

Generated (MMH> 0.0 0.0 11~327~924.6

19. Unit Service Factor 0. 0'c 55.2R

20. Unit Availability Factor O.OR 55.2~

21. Unit Capacity Factor (Using NDC N'et) 0.0h 52.7R 22 Unit Capacity Factor

'3 (Using DER Net> 0 0~ O.OR 50. 6.c Unit Forced Outage Rate 100.0~ 100.Otal 27,0A

'4.

Shutdowns Scheduled Over Nex t 6 Months ( Type, Dat,e, and Duration of Each): Currently in refue ling shutdow n

25. If03/02/88 Shutdown At End of Report Period, Estimated Date of Startup.

26. Units in Test Status (Prior To Commercial Operation>:

Forecast Achieved INITIAL CRITICALITY 5/85 5/25/85 INITIAL ELECTRICITY 6/85 6/10/85 CONNERCIAL OPERATION 11/85 "

1/28/86 8802190126 88013i PDR ADOCK 05000528 R DCD

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DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE 602-393-2679 MONTH: January'988 DAY AVERAGE DAILY POSER LEVEL DAY AVERAGE DAILY POSER LEVEL 17 0 0 18 0 0 19 4 20 0

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10 0 0 0 28 0 13 0 29 0 14 0 30 0 15 0 0 I

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REFUELING INFORMATION DOCKET NO. 50-528 UNIT PVNGS-1 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE 602-393-2679 Scheduled date for next refueling shutdown.

10/02/87 2~ Scheduled date for restart following refueling.

03/02/88 3~ Mill refueling or resumption or operation thereafter require a Technical Specification change or other license amendment2 Yes ll P

Required Technical Specifications are as follows'.

5~3~1~ 3/4 ~ 1 ~ 1 2~ 3/4 1 1 ~ 3~

3/4.1.3.6, 3/4.3.1, 2.1.1p 3/4.2 3/4.3.2 3/4

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~ 2 8f 3/4 ~ 1 ~ 3~1f 3/4 ~ 3~1~

3/4.2.4, 3/4.2.7i 4 Scheduled date for submitting proposed licensing action and supporting information.

July 1, 1987

5. Important Licensing considerations associated with refueling, e.g. new or different fuel design or supplier, unrevieved design or performance analysis methods, significant changes in fuel design, new operating procedures.

a) Modification of the CPCs under the CPC Improvement Program (CIP) and the Statistical Combination of Uncertainties (SCU) Program.

b) Maximum peak pin fuel enrichment vill be 4.05 v r. U235.

c) The fuel vendor for the following next 5 reloads vill be Combustion Engineering.

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8. Prospected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-528 UNIT PVNGS-1 DATE 02/10/88 CONPLETED BY J.N. Colville TELEPHONE 602-393-2679 January 1988 01/01 0000 Unit in Node 5.

01/08 1244 Entered Node 4.

01/09 '2258 Entered Moge 3.

01/10 3.430 Entered Node 4 due to eYcessive RC5 leakage.

01/11 0004 Entered Node 5 to repair 1A and 1B Reactor Coolant Pump seals.

01/16 0058 Loss of offsite power and damage to 13.8 KV Calvert bus tie was experienced. Bus ground fault caused the startup transformer to relay out resulting in a loss of offsite power on the A train 4.16 KV bus.

01/19 1801 Entered Mode 4.

'I 01/21 0605 Entered Node 3.

01/23 0930 Entered Mode 4 due to a body-to-bonnet leak on an unisolable RCS boundary valve and to repair a stuck Control Element Assembly.

I 01/23 1330 Entered Node 5.

01/31 2400 Unit in Node 5.

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UNjT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO: 50-528 UNIT NAME: PVNGS-1 DATE 2/lo/88 COMPLETED BY: J.M. Colville TELEPHONE: 602-393-2679 Method of Cause and Corrective Duration Shutting System 4

Component 5

Action to No. Date Type Hours Reason Down Reactor 3 LER NO. Code Code Prevent Recurrence 10 (Cont'd) S 281.9 ~ 1 N/A N/A Unit shut down due to Refueling Outage.

(Cont'd) F 462.1 Unit shutdown to repair an inoperable Control Element Assembly.

2 Reason: Method:

4 Exhibit F - Instructions F-Forced for Preparation of Data S-Scheduled A-Equipmcnt Failure (Explain) 1-Hanual D-Haintenance or Test 2-Hanual Scram Entry Sheets for Licensee 3-Automatic Scram Event Report (LER) File C-Refueling 0161)

D-Regulatory Restriction 4-Continuation from (IIUREC E-Operator Training g License Fxamination Previous Honth F-Administrative 5-Reduction of 20X 5 Exhibit II-Same Source C-Operational Error (Explain) or Creator in the

.If-Other (Explain) Past 24 llours C-0th r (ExnlnIn)

1 NRC MONTHLY OPERATING REPORT DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 02/10/88 COMPLETED BY J.M. Colville, TELEPHONE 602-393-2679 OPERATING STATUS 1- .: Unit Name. Palo Verde Nuclear Generating Station~ Unit 2 2'. Reporting Period: January 1988 3 Licensed Thermal Power (MVt): 3800 4 Nameplate Rating (Gross MWe): 1403 MNe):,

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5. Design Electrical Rating (Net 1270

6. Maximum Dependable Capacity (Gross MMe): 1303

7. Maximum Dependable Capacity (Net MMe): 1221

8. If Changes Occur In Capacity Ratings (Xtems Number 3 Through 7)

Since Last Report Give Reasons:

9. Power Level to Which Restricted, Xf Any (Net MVe): NONE

10. Reasons For Restrictions, If Any:

This Month Yr.-to-Date Cumulative 11 Hoursin Report,ing Period 744 744 12 000

'2-Number of Hours'eactor Qas Crit, ical 744 744 10 019.1

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 744 744 9 870.2

15. Unit, Reserve Shutdown Hours 0 0 '

Gross Thermal Energy Generated (MVH) 2<796<621 ~ 2c796c621. 36~003~788

17. Gross Electrical Energy Generated (MVH) 984~300. '984 g 300.r 12~645~570

18. Net Electrical Energy Generated (MVH> 927<757. 927 757. 11 864 C. 639

19. Unit Service Factor 100,0E 100.0R

20. AvailabilitY Factor 100.04 '100.0h 82.

82,3R'nit.

21. Unit. Capacity g MDC Net) 102.1~ 81.0h 39'02.1R Factor'Usin

22. Unit Capacity Factor (Vein g DER Net) 98.2~ 98.2R 77.9k

23. Unit Forced Outa e Rate 0.0< O.OR P

6.2M

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Scheduled Date for next Refueling Shutdown -2/21/88 Duration of refueling shutdown approximately 84 Shutdown At End of Report Period, Estimated Date of Startup.

days'f 25.

26. Unit,s in Test, Status (Prior To Commercial Operation):

Forecast, Achieved XNXTIAL CRXTXCALITY 3/86 4/18/86 XNITXAL ELECTRICITY 6/86 5/20/86

'OMMERCIAL OPERATION 11/86 9/19/86

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-529 UNIT PVNGS-2 DATE 02/10/88'.M.

COMPLETED BY Calville TELEPHONE 602-393-2679 MONTH January 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1 1J 270 17 1J 258 1~253 18 1 ~262 1~262 19 1 262 1~262 20 1~262 1~262 21 1 ~262 1~253 22 1 C. 249 1J262 23 1 ~020 1c258 24 1 ~099 1~262 1J262 10 1~258 1~258 1~258 27 1~258 1J 262 28 1~262 1J 266 1 ~262 1J258 30 1 ~262 1~262 31 1 ~258 16 1~267

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REFUELING INFORMATION DOCKET NO., 50-529 UNIT PVNGS-2 DATE 02/10/88 COMPLETED BY J,M, Colyille TELEPHONE 602-393-2679

1. Scheduled date for next refueling shutdovn.

02/21/88 2~ Scheduled date for restart folloving refueling.

05/15/88 3 0 Mill refueling or resumption or operation thereafter require a Technical Specification change or other license amendments YES Shat vill these be'2 3/4 1~1 2 ~ 3/4 1 1 3 ~ . 3/4 2 8 p 3/4 1

~ ~ 3~1 ~ 3/4 3~1 ~

3/4 1 ~ 3 ~ 6~ '3/4 2 5

~ ~ 3/4 2 1 3/4 2 4 ~ p 3/4 2 3 p 3/4 3~2 2 1 1 1 Scheduled date for submitting proposed licensing action and supporting information.

12/15/87

5. Important Licensing considerations associated vith refueling, e.g. nev or different fuel design or supplier, unrevieved design or performance analysis methods, significant changes in fuel design, nev operating procedures.

a) Modification of the CPCs under the CPC Improvement Program (CIP) and the Statistical Combination of Uncertainties (SCU) Program.

b) Maximum peak pin fuel enrichment vill be 4.05 v 4 U235.

c) The fuel vendor for the folloving next 5 reloads vill be Combustion Engineering. ll

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REFUELING INFORMATION DOCKET NO. 50-529 UNIT PVNGS-2 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE 602-393-2679 (Continued)

6. The number of fuel 'assemblies.

a) In the core. 241 b) Zn the spent fuel storage pool. 0 7~ Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capacity. None 8~ Prospected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NQ. 50-529 UNIT PVNGS-2 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE 602-393-2679 January 1988 01/01 0000 Unit in Mode 1 - Reactor Power 100k.

01/22 1800 Power reduction to approximately 75'or CEAC Testing.

01/24 2100 Reactor Power 100'.

01/31 2400 Reactor Po~er 100'.

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UHlT SllUTDOMNS AND POMER REDUCTIONS DOCKET NO: 50-529 UNIT NAME: PUNGS-2 DATE:

COi'PLETED BY: 3.M. Colville TELEPHONE: 602-393-2679 Hethod of Cause and Corrective Duration Shutting System< Component> Action to No. Date Type llours Reason Down Reactor LER NO. Code - Code Prevent Recurrence 1 1/22 S N/A N/A N/A N/A Power reduction to approx-imately 75X for CEAC testing.

1 2 Reason: Method:

4 Exh'ibit F - Instructions F-Forced for Preparation of Data S-Scheduled A-Equipment Failure (Explain) 1-Manual 8-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File 4-Continuation from (NUREG 0161)

D-Regulatory Restriction E-Operator Training 4 License Examination Previous Month F-Administrative 5-Reduction of 20X Exhibit Il-Sama Source G-Operational Error (Explain) or Greater in the

.fl-Other (Explain) Past 24 llours a-Otbr r (Fxnlnln)

I NRC MONTHLY OPERATING REPORT DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE , 602-393-2679 OPERATING STATUS

1. Unit Name'. Palo Verde Nuclear Generating Station~ Unit 3

2. Reporting Period: January 1988

3. Licensed Thermal Power (MWt): 3800

4. Nameplate Rating (Gross MWe): 1403 5 ~ Design Electrical Rating (Net MWe): 1270

6. Maximum Dependable Capacity (Gross MWe): 1303

7. Maximum Dependable Capacity (Net MWe): 1221

8. Xf Changes Occur "In Capacity Ratings (Items Number 3 Through 7)

Since Last Report, Give Reasons.

9. Power Level to Which Restricted, If Any (Net MWe'): NONE

10. Reasons For Restrictions. Xf Any.

This Month Yr.-to-Date Cumulative

'1. Hours in Reporting Period 168 168 6216

'2.

Number of Hours Reactor Was Critical 168.0 168.0 1 C 113.9

13. Reactor Reserve Shutdown Hours 0

14. Hours Generator On-Line 168.0 168.0 788. 7

15. Unit Reserve Shutdown Hours 0 16 Gross Thermal Energy Generated (MWH) 626 C 362. 626 362.0 L870 L549.

Gross Electrical Energy

'7.

Generated (MWH) 218 *600. ~ 218 g 600.~ 583 900.

18. Net Electrical Energy Generated (MWH) 213 g 599.~ 213 g 599.~ 533 260.

19 Unit Service Factor N/A N/A N/A

'0.

Unit Availability Factor N/A N/A N/A

'1.

Unit Capacity Factor I'/A (Using MDC Net) N/A

22. Unit Capacity Factor (Using DER Net) N/A N/A

23. Unit Forced Outage Rate 0 0 "24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shutdown At End of Report Period. Estimated Date of Startup:

26. Units in Test Status (Prior To Commercial Operation):

Forecast Achieved INITIAL CRITICALITY 07/87 10/25/87

, INITXAL ELECTRXCITY 07/87 11/28/87 COMMERCIAL OPERATION 09/87 01/08/88

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NRC MONTHLY OPERATXNG REPORT DOCKET NO. 50-530 UNIT NAME PVNG5-3 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE 602-393-2679 COMMERCXAL OPERATION

'PERATING STATUS

1. Unit Name. Palo Verde Nuclear Generating Station~ Unit 3

2. Reporting Period: January 1988 38 Licensed Thermal Power'MMt): 3800 4~ Nameplate Rat,ing (Gross'Qe)': 1403

5. Design Electrical Rating (Net MVe): 1270

6. Maximum Dependable Capacity (Gross MMe): 1303

7. Maximum Dependable Capacity (Net We): 1221

8. If Changes Occur In Capacity Ratings (Items Number 3 Through 7)

Since Last Report, Give Reasons.

9. Power Level to which Restricted, If Any (Net MÃe): NONE

10. Reasons For Restrictions, If Any.

This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period 576 576 576

12. Number of Hours Reactor Has Critical 576.0 576.0 576.0 13 Reactor Reserve 5hutdown Hours 0 0 Hours Generator On-Line 576.0

'4.

5Z6.0 576.0

15. Unit Reserve 5hutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MMH) 2p 173@ 1 13 r 2 / 173 C'113.0 2 173 Z. 113 '

17. Gross Electrical Energy Generated (MNH) 764~900. 764 900. 764 g 900. ~

18. Net Electrical Energy Generated (MVH) 724~533. 724 533. 724 g 533.

19. Unit 5ervice Factor 100.0E 100.0h 100.0h

20. Unit Availability Factor 100.0r. 100.0% 100.0g.

21. Unit Capacity Factor MDC Net) '(Using l03,04 103. Oh 103.0A

22. Unit Capacity Factor (Using DER Net) 99. Or. 99.0< 99.0r-23- Unit Forced Outage Rate 0.0r- . 0.04 0.0z

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shutdown At End of Report Period, Es timated Date of Startup:

26. Units in Test Status (Prior To Commercial Operation):

Forecast Achieved INITIAL CRITICALITY 07/87 10/25/87 INITIAL ELECTRICXTY 07/87 11/28/87 COMMERCXAL OPERATION 09/87 01/08/88

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AVERAGE DAILY UNIT POMER LEVEL DOCKET NO. 50-530 UNIT PVNGS-3 DATE 02/10/88 COMPLETED BY J.M. Colville TELEPHONE 602-393-2679 MONTH: January 1988 DAY AVERAGE DAILY POMER LEVEL 1~276 2 '

268 1~246 1~242 1~234 1@271 1~269

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DOCKET NO. 50-530 UNIT PVNGS-3 DATE 02/10/88 COMPLETED BY J. M. Col vi 1 1 e TELEPHONE 602-393-2679 COMMERCIAL OPERATXON MONTH: Januaz'g 1988 DAY AVERAGE DAILY 'PO'4)ER LEVEL DAY AVERAGE DAXLI POQER LEVEL 273 20 1~265 1 273 21 1 ~252 10 1 g 277 1~261 1 g 273 1~265

'2 1~265 1~265 13 14261 25 '

265 14 1&269 26 1 ~269 1~265 1~261 14 240 28 1 261 17 1~256 1~248 1~256 30 1~244 19 1~265 31 1~256

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REFUELING INFORMATION DOCKET NO. 50-530 UNIT PVNGS-3 DATE 02/10/88 COMPLETED BY J. M. Col vi 1 le TELEPHONE 602-393-2679 Scheduled date for next refueling shutdovn.

02/25/89

2. Scheduled date for restart folloving refueling.

05/05/89

3. Mill refueling or resumption or operation thereafter require a Technical Specification change or other license amendment2 Not, Yet Determined 4lhat vill these be2 Not Yet, Determined 4 ~ Scheduled date for submitting proposed licensing action and supporting information.

Not Yet Determined Important Licensing considerations associated vith refueling, e.g. nev or different fuel design or supplier, unrevieved design or performance analysis methods, significant changes in fuel, design, nev,operating pr'ocedures.

Not Yet, Determined

6. The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 0

7. Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capacity. None f

8. Progected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2007 (18 Months reloads and full core discharge capability).

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-530 UNIT PVNGS-3 DATE 02/ 1 0/88 UUNPLh'I'j U 8Y

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k v 3. L e January 1988 01/01 0000 Unit in Mode 1 - Reactor Power 100'.

01/06 1710 Started 100 Hour Marranty Run.

01/07 2400 Unit in Mode 1 - Reactor Power 100'.

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SUMMAR~F OPERATXNG EXPERlENCE FO HE MONTH DOCKET, NO- 50-530

, UNET PVNGS-3 DATE 02/10/88 COMPLETED BY J.M. Colville ThLPYHUNE 602-393-26/9 COMMERCIAL OPERATION January 1988 01/08 0001 Commercial Operation declared.

01/10 2115 100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> completed for 41arranty Run.

01/31 2400 Unit in Mode 1 Reactor Power 100'.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO: 50-530 UNIT NAME: PVNGS-3 DATE: 2 10/88 COMPLETED BY: J.M..Colville TELEPHONE: 602-393-2619 Method of Cause and Corrective Duration Shutting System< Component Action to No. Date Type . Hours Reason Down Reactor 3 LER NO. Code Code 5

Prevent Recurrence JANUARY No Unit Shutdowns or Power Reductions 1 2 Method:

4 Exhibit F - Instructions F-Forced Reason: for Preparation of Data A-Equipment Failure (Explain) 1-Manual S-Scheduled Entry Shccts for Licensee D-Maintenance or Test 2-Manual Scram 3-Automatic Scram Event Rcport (LER) File C-Refueling 0161)

D-Regulatory Restriction 4-Continuation from (NUREG E-Operator Training 8 License Fxamination Previous Month F-Administrative 5-Rcductiott of 20X 5 Exhibit ll-Same Source G-Operational Error (Explain) or Grcatcr in the

.Il-Other (Explain) Post 24 Ilours tt-Other (ExnlttIn)