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{{#Wiki_filter:ACCELERATED DUTIONDEMONTIONSYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9001040148 DOC.DATE:
{{#Wiki_filter:ACCELERATED D UTION DEMON TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9001040148 DOC.DATE: 89/12/21 NOTARIZED:
89/12/21NOTARIZED:
NO.DOCKET FACIL:50-315 Donald C.Cook Nuclear Power Plant, Unit 1, Indiana&05000315.AUTH.NAME AUTHOR AFFILIATION ROSS,C.A.Indiana Michigan Power Co.(formerly Indiana&Michigan Ele BLIND,A.A.
NO.DOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana&05000315.AUTH.NAMEAUTHORAFFILIATION ROSS,C.A.
Indiana Michigan Power Co.(formerly Indiana&Michigan Ele RECIP.NAME RECIPIENT AFFILIATION R  
IndianaMichiganPowerCo.(formerly Indiana&MichiganEleBLIND,A.A.
IndianaMichiganPowerCo.(formerly Indiana&MichiganEleRECIP.NAME RECIPIENT AFFILIATION R


==SUBJECT:==
==SUBJECT:==
LER89-014-00:on 891123,Tech Specsurveillance requirement missedduetodeficient administrative guidance.
LER 89-014-00:on 891123,Tech Spec surveillance requirement missed due to deficient administrative guidance.W/8 ltr.DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR ENCL SIZE: TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.NOTES: RECIPIENT ID CODE/NAME PD3-1 LA GIITTER,J.
W/8ltr.DISTRIBUTION CODE:IE22TCOPIESRECEIVED:LTR ENCLSIZE:TITLE:50.73/50.9 LicenseeEventReport(LER),IncidentRpt,etc.NOTES:RECIPIENT IDCODE/NAME PD3-1LAGIITTER,J.
INTERNAL: ACRS MICHELSON ACRS WYLIE AEOD/DSP/TPAB DEDRO NRR/DET/EMEB9H3 NRR/DLPQ/LHFBll NRR/DOEA/OEABll NRR/DST/SELB 8D NRR/DST/SPLB8D1 NUDOCS-ABSTRACT RES/DSIR/EIB EXTERNAL: EG&G WILLIAMS, S LPDR NSIC MAYS,G NUDOCS FULL TXT 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 1'4 4 1 1 1 1 1 1 RECIPIENT ID CODE/NAME PD3-1 PD ACRS MOELLER AEOD/DOA AEOD/ROAB/DSP NRR/DET/ECMB 9H NRR/DET/ESGB 8D NRR/DLPQ/LPEB10 NRR/DREP/PRPB11 NRR/DST/SICB 7E Rg/~ST/SRXB 8E~EG F 02 L ST LOBBY WARD NRC PDR NSIC MURPHY,G.A COPIES LTTR ENCL"1 1 2 2 1.1 2 2 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 R NOTE TO ALL"RIDS" RECIPIENTS:
INTERNAL:
D D PLEASE HELP US TO REDUCE WASTEl CONTACT THE DOCUMENT CONTROL DESK ROOM Pl-37 (EXT.20079)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEEDl FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 38 ENCL 38 Indiana Michigan Power Company Cook Nuclear Plant~P.O.Box 458~Bridgrnah.
ACRSMICHELSON ACRSWYLIEAEOD/DSP/TPAB DEDRONRR/DET/EMEB9H3 NRR/DLPQ/LHFBll NRR/DOEA/OEABll NRR/DST/SELB 8DNRR/DST/SPLB8D1 NUDOCS-ABSTRACT RES/DSIR/EIB EXTERNAL:
Vil 49106 616 465 5901 INDIANA NICHIGAItI POWER December.21, 1989 United States Nuclear Regulatory Commission Document Control Desk Rockvi1 le, Maryland 20852 Operating License DPR-58 Docket No.50-315 Document Control Manager: In ac:cordance with the criteria established by 10 CFR 50.73 entitled L'censee Event Re ortin System, the following report is heing submitted:
EG&GWILLIAMS, SLPDRNSICMAYS,GNUDOCSFULLTXTCOPIESLTTRENCL111~1111111111111111111111'44111111RECIPIENT IDCODE/NAME PD3-1PDACRSMOELLERAEOD/DOAAEOD/ROAB/DSP NRR/DET/ECMB 9HNRR/DET/ESGB 8DNRR/DLPQ/LPEB10 NRR/DREP/PRPB11 NRR/DST/SICB 7ERg/~ST/SRXB 8E~EGF02LSTLOBBYWARDNRCPDRNSICMURPHY,G.A COPIESLTTRENCL"11221.1221111112211111111111111RNOTETOALL"RIDS"RECIPIENTS:
89-014-00 S incere1>>,'.A.
DDPLEASEHELPUSTOREDUCEWASTElCONTACTTHEDOCUMENTCONTROLDESKROOMPl-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRIBUTION LISTSFORDOCUMENTS YOUDON'TNEEDlFULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED:
Blind Plant Manager AAB:clw Attachment cc: D.H.Williams, Jr.A.B.Davis, Region III M.P.Alexich P.A.Barrett J.E.Borggren R.F.Kroeger NRC Resident Inspector J.G.Giitter, NRC R.C.Callen G.Charnoff, Esq.Dottie Sherman, ANI Library D.Hahn INPO PNSRC S.J.Brewer/B.P.
LTTR38ENCL38 IndianaMichiganPowerCompanyCookNuclearPlant~P.O.Box458~Bridgrnah.
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Vil491066164655901INDIANANICHIGAItI POWERDecember.
NRC Form 384 (P4)3)LICENSEE EVENT REPORT{LER)US.NUCLEAR REOULATORY COI04ISSION APPAOVED OMB NO.31600104 EXPIAES: SI31IBS FACILITY NAME (1I D.C.Cook Nuclear Plant-Unit One DOCKET NUMBER (2)o 5 o o 031510F04"""'echnical Specification Surveillance Requirement Hissed Due to Deficient Administrative Guidance EVENT DATE l6)LEA NUMBER (6)REPORT DATE (7)OTHER FACILITIES INVOLVED ISI MONTH DAY YEAR YEAR~: ssorsslsTIAL NUMBER (I@NUMBER MONTH DAY YEAR FACILITY NAMES DOCKET NUMBERIS)0 5 0 0 0 2 3 8 9 8 9 014 0 0 1 22 18 9 0 5 0 0 0 OPERATING MODE ISI POWER'EVEL l p p 20.402(b)20.406(e)(1)(I)20 406(~)(Il(SI 20.406(~)(1)(lll)20A05(e l(1)(Ivl 20.405(e)(1)(vl 20.406(c)50M(c)((l 50.38(c)(2)X 50.73(~)(2)lll 50.73(e I (2((S)60.73(e I (2)(Ill I LICENSEE CONTACT FOR THIS LER (12)50.73(~)(2)(lv)50.73(el l2)(v)60.73(el(2)(rill 50.73(e l(2)(rllll(AI 60.73(el(2)(rllll(B) 60,73(~)(2)(el THIS REPORT IS SUBMITTED PUASUANT TO THE AEOUIREMENTS OF 10 CFR (I;ICnrce onr or morr of tnr foriowi'nPI 01)73.71(5)73.7((c)OTHER ISprCify in Aettieet INiow end In Trnt HRC Fpnn 366AI NAME CD A.Ross-Computer Science Superintendent TELEPHONE NUMBER AREA CODE 61 6 4 6 5-5 90 1 COMPLETE ONE LINE FOR EACH COMPONENT FAILURE DESCRIBED IN THIS REPORT (13l CAUSE SYSTFM COMPONENT MANUFAC.TURER'%KNRKNY%o
21,1989UnitedStatesNuclearRegulatory Commission DocumentControlDeskRockvi1le,Maryland20852Operating LicenseDPR-58DocketNo.50-315DocumentControlManager:Inac:cordance withthecriteriaestablished by10CFR50.73entitledL'censeeEventReortinSystem,thefollowing reportisheingsubmitted:
"~TO NPRDS'3 c.i~Q+.)i.CAUSE SYSTEM COMPONENT (+A!,74 MANUFAC.TURER y+6, rrr~'PORTABL
89-014-00 Sincere1>>,'.A.
".~n TO NPRDS'7....A.w.'.c..&%M ETI%%l: SUPPLEMENTAL REPORT EXPECTED (14)YES III yes, compirtr EXPECTED SUEMISSIOH DATEI NO ABSTRACT ILimit to f400 sprcn, I,r., epproximrtriy fifteen sinpir.specs typewritren IinNI (141 EXPECTED SUBMISSION DATE (15)MONTH DAY YEAR On November 77, 1989, with Un5.t One operating at 100 percent reactor thermal power, ie was discovered that the P-750 computers rod sequence and deviation monitors had been inoperable since a compueer bootstrap on November 73, 1989.The inoperabilitv was unknown causing the required Technical Specification l,'T/S)increased surveillance eo not be per ormed.T/S 4.1.3.1.1 and 4,1.3.2 both require a four hour surveillance of rod position determination if the rod deviation or sequence monitors are inoperable.
BlindPlantManagerAAB:clwAttachment cc:D.H.Williams, Jr.A.B.Davis,RegionIIIM.P.AlexichP.A.BarrettJ.E.BorggrenR.F.KroegerNRCResidentInspector J.G.Giitter,NRCR.C.CallenG.Charnoff, Esq.DottieSherman,ANILibraryD.HahnINPOPNSRCS.J.Brewer/B.P.
The normal operating twelve hcur T/S surveillances were completed with no out of specification rod positions during this event per5od.The P-250 Rod Monitor Program did not reactivate after the computer bootstrap because an operator failed to update one address point.The guidel5ne to update the computer is not explicit and contradictory causing the operator to not perform the update task properly.To prevent this event from reoccurring, a detailed procedure to perform a post maintenance operabi.lie'v check of the P-250 computer will be wrieeen.The bootstrap guide'ine has been revised to include information necessary to bootserap and update ehe computer correctl.y.
LauzaurgAg>>'gp>>g,il.~C>0104O i0".F'ErRADOCI,(.>~i<)rjtj.y!=,F'E<(.
NRC Form 385 I&83"  
NRCForm384(P4)3)LICENSEEEVENTREPORT{LER)US.NUCLEARREOULATORY COI04ISSION APPAOVEDOMBNO.31600104EXPIAES:SI31IBSFACILITYNAME(1ID.C.CookNuclearPlant-UnitOneDOCKETNUMBER(2)o5oo031510F04
~~~~~~~~~~~I I I I RQQmmRRRBNSRH
"""'echnical Specification Surveillance Requirement HissedDuetoDeficient Administrative GuidanceEVENTDATEl6)LEANUMBER(6)REPORTDATE(7)OTHERFACILITIES INVOLVEDISIMONTHDAYYEARYEAR~:ssorsslsTIAL NUMBER(I@NUMBERMONTHDAYYEARFACILITYNAMESDOCKETNUMBERIS) 050002389890140012218905000OPERATING MODEISIPOWER'EVELlpp20.402(b) 20.406(e)
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(1)(I)20406(~)(Il(SI20.406(~)(1)(lll)20A05(el(1)(Ivl20.405(e)
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(1)(vl20.406(c) 50M(c)((l 50.38(c)(2)X50.73(~)(2)lll50.73(eI(2((S)60.73(eI(2)(IllILICENSEECONTACTFORTHISLER(12)50.73(~)(2)(lv)50.73(ell2)(v)60.73(el(2)
~I i i i~I~~~~~~~~~~~II~~~~~II~~~~~~~II~~~~t~I~~I~~~~~t~~~~0~~II~~e~~~~~II~~~~~~~~~~~I~~I~~.S I II~~I III~~'I II~II~~~~~~~~~~~~~~~~~~~~~~~I~~~~~~~~~'~I'I~~I~~~~~~t~~I~~I~~~'~~\~0~~~~~~~0~'~~
(rill50.73(el(2)(rllll(AI 60.73(el(2)(rllll(B) 60,73(~)(2)(elTHISREPORTISSUBMITTED PUASUANTTOTHEAEOUIREMENTS OF10CFR(I;ICnrceonrormorroftnrforiowi'nPI 01)73.71(5)73.7((c)OTHERISprCifyinAettieetINiowendInTrntHRCFpnn366AINAMECDA.Ross-ComputerScienceSuperintendent TELEPHONE NUMBERAREACODE616465-5901COMPLETEONELINEFOREACHCOMPONENT FAILUREDESCRIBED INTHISREPORT(13lCAUSESYSTFMCOMPONENT MANUFAC.TURER'%KNRKNY%o
NNC Form 35SA 1043 I LICENSEE EVENT REPORT (LER)TEXT CONTINUATION U.S.NUCLEASI hECULATONY COMMISSION AFFROVEO OMS No.3150&105 EXPIRES: b/31/Ie FACILITY NAME III OOCXET NUMSEh I2l YEA/I LEh NUMSEh (~)5SOUSNT/AL HVM55%v" osvlSION HQM so~AOE ISI D.C.Cook Nuclear Plant:-Unit One TEXT///more<<>>ce is soy/we/L oss~//OO/'>>/HRC%%de 3/ELA's/IITI 0 5 0 0 0 3$5 8 9-0 1 4-0 0 0 4 oFO 4 FAILED COMPONENT IDENTIFICATION:
"~TONPRDS'3c.i~Q+.)i.CAUSESYSTEMCOMPONENT
NONE PREVIOUS SIMILAR EVENTS: NONE~5 p~,, Ill~" 5~}}
(+A!,74MANUFAC.TURERy+6,rrr~'PORTABL
".~nTONPRDS'7....A.w.'.c..&%METI%%l:SUPPLEMENTAL REPORTEXPECTED(14)YESIIIyes,compirtrEXPECTEDSUEMISSIOH DATEINOABSTRACTILimittof400sprcn,I,r.,epproximrtriy fifteensinpir.specs typewritren IinNI(141EXPECTEDSUBMISSION DATE(15)MONTHDAYYEAROnNovember77,1989,withUn5.tOneoperating at100percentreactorthermalpower,iewasdiscovered thattheP-750computers rodsequenceanddeviation monitorshadbeeninoperable sinceacompueerbootstrap onNovember73,1989.Theinoperabilitv wasunknowncausingtherequiredTechnical Specification l,'T/S)increased surveillance eonotbeperormed.T/S4.1.3.1.1 and4,1.3.2bothrequireafourhoursurveillance ofrodpositiondetermination iftheroddeviation orsequencemonitorsareinoperable.
Thenormaloperating twelvehcurT/Ssurveillances werecompleted withnooutofspecification rodpositions duringthiseventper5od.TheP-250RodMonitorProgramdidnotreactivate afterthecomputerbootstrap becauseanoperatorfailedtoupdateoneaddresspoint.Theguidel5ne toupdatethecomputerisnotexplicitandcontradictory causingtheoperatortonotperformtheupdatetaskproperly.
Topreventthiseventfromreoccurring, adetailedprocedure toperformapostmaintenance operabi.lie'v checkoftheP-250computerwillbewrieeen.Thebootstrap guide'ine hasbeenrevisedtoincludeinformation necessary tobootserap andupdateehecomputercorrectl.y.
NRCForm385I&83"  
~~~~~~~~~~~IIIIRQQmmRRRBNSRH
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~~~~I'IIg@5589iH8885m8iRB
~Iiii~I~~~~~~~~~~~II~~~~~II~~~~~~~II~~~~t~I~~I~~~~~t~~~~0~~II~~e~~~~~II~~~~~~~~~~~I~~I~~.SIII~~IIII~~'III~II~~~~~~~~~~~~~~~~~~~~~~~I~~~~~~~~~'~I'I~~I~~~~~~t~~I~~I~~~'~~\~0~~~~~~~0~'~~
NNCForm35SA1043ILICENSEEEVENTREPORT(LER)TEXTCONTINUATION U.S.NUCLEASIhECULATONY COMMISSION AFFROVEOOMSNo.3150&105EXPIRES:b/31/IeFACILITYNAMEIIIOOCXETNUMSEhI2lYEA/ILEhNUMSEh(~)5SOUSNT/AL HVM55%v"osvlSIONHQMso~AOEISID.C.CookNuclearPlant:-UnitOneTEXT///more<<>>ceissoy/we/Loss~//OO/'>>/HRC%%de3/ELA's/IITI050003$589-014-0004oFO4FAILEDCOMPONENT IDENTIFICATION:
NONEPREVIOUSSIMILAREVENTS:NONE~5p~,,Ill~"5~}}

Revision as of 07:56, 6 July 2018

LER 89-014-00:on 891127,discovered That P-250 Computers Rod Sequence & Deviation Monitors Inoperable Since Computer Bootstrap on 891123.Caused by Inadequate Guideline to Conduct Computer Bootstrap.Program corrected.W/891221 Ltr
ML17328A244
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 12/21/1989
From: BLIND A A, ROSS C A
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
LER-89-014-01, LER-89-14-1, NUDOCS 9001040148
Download: ML17328A244 (6)


Text

ACCELERATED D UTION DEMON TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9001040148 DOC.DATE: 89/12/21 NOTARIZED:

NO.DOCKET FACIL:50-315 Donald C.Cook Nuclear Power Plant, Unit 1, Indiana&05000315.AUTH.NAME AUTHOR AFFILIATION ROSS,C.A.Indiana Michigan Power Co.(formerly Indiana&Michigan Ele BLIND,A.A.

Indiana Michigan Power Co.(formerly Indiana&Michigan Ele RECIP.NAME RECIPIENT AFFILIATION R

SUBJECT:

LER 89-014-00:on 891123,Tech Spec surveillance requirement missed due to deficient administrative guidance.W/8 ltr.DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR ENCL SIZE: TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.NOTES: RECIPIENT ID CODE/NAME PD3-1 LA GIITTER,J.

INTERNAL: ACRS MICHELSON ACRS WYLIE AEOD/DSP/TPAB DEDRO NRR/DET/EMEB9H3 NRR/DLPQ/LHFBll NRR/DOEA/OEABll NRR/DST/SELB 8D NRR/DST/SPLB8D1 NUDOCS-ABSTRACT RES/DSIR/EIB EXTERNAL: EG&G WILLIAMS, S LPDR NSIC MAYS,G NUDOCS FULL TXT 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 1'4 4 1 1 1 1 1 1 RECIPIENT ID CODE/NAME PD3-1 PD ACRS MOELLER AEOD/DOA AEOD/ROAB/DSP NRR/DET/ECMB 9H NRR/DET/ESGB 8D NRR/DLPQ/LPEB10 NRR/DREP/PRPB11 NRR/DST/SICB 7E Rg/~ST/SRXB 8E~EG F 02 L ST LOBBY WARD NRC PDR NSIC MURPHY,G.A COPIES LTTR ENCL"1 1 2 2 1.1 2 2 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 R NOTE TO ALL"RIDS" RECIPIENTS:

D D PLEASE HELP US TO REDUCE WASTEl CONTACT THE DOCUMENT CONTROL DESK ROOM Pl-37 (EXT.20079)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEEDl FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 38 ENCL 38 Indiana Michigan Power Company Cook Nuclear Plant~P.O.Box 458~Bridgrnah.

Vil 49106 616 465 5901 INDIANA NICHIGAItI POWER December.21, 1989 United States Nuclear Regulatory Commission Document Control Desk Rockvi1 le, Maryland 20852 Operating License DPR-58 Docket No.50-315 Document Control Manager: In ac:cordance with the criteria established by 10 CFR 50.73 entitled L'censee Event Re ortin System, the following report is heing submitted:

89-014-00 S incere1>>,'.A.

Blind Plant Manager AAB:clw Attachment cc: D.H.Williams, Jr.A.B.Davis, Region III M.P.Alexich P.A.Barrett J.E.Borggren R.F.Kroeger NRC Resident Inspector J.G.Giitter, NRC R.C.Callen G.Charnoff, Esq.Dottie Sherman, ANI Library D.Hahn INPO PNSRC S.J.Brewer/B.P.

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NRC Form 384 (P4)3)LICENSEE EVENT REPORT{LER)US.NUCLEAR REOULATORY COI04ISSION APPAOVED OMB NO.31600104 EXPIAES: SI31IBS FACILITY NAME (1I D.C.Cook Nuclear Plant-Unit One DOCKET NUMBER (2)o 5 o o 031510F04"""'echnical Specification Surveillance Requirement Hissed Due to Deficient Administrative Guidance EVENT DATE l6)LEA NUMBER (6)REPORT DATE (7)OTHER FACILITIES INVOLVED ISI MONTH DAY YEAR YEAR~: ssorsslsTIAL NUMBER (I@NUMBER MONTH DAY YEAR FACILITY NAMES DOCKET NUMBERIS)0 5 0 0 0 2 3 8 9 8 9 014 0 0 1 22 18 9 0 5 0 0 0 OPERATING MODE ISI POWER'EVEL l p p 20.402(b)20.406(e)(1)(I)20 406(~)(Il(SI 20.406(~)(1)(lll)20A05(e l(1)(Ivl 20.405(e)(1)(vl 20.406(c)50M(c)((l 50.38(c)(2)X 50.73(~)(2)lll 50.73(e I (2((S)60.73(e I (2)(Ill I LICENSEE CONTACT FOR THIS LER (12)50.73(~)(2)(lv)50.73(el l2)(v)60.73(el(2)(rill 50.73(e l(2)(rllll(AI 60.73(el(2)(rllll(B) 60,73(~)(2)(el THIS REPORT IS SUBMITTED PUASUANT TO THE AEOUIREMENTS OF 10 CFR (I;ICnrce onr or morr of tnr foriowi'nPI 01)73.71(5)73.7((c)OTHER ISprCify in Aettieet INiow end In Trnt HRC Fpnn 366AI NAME CD A.Ross-Computer Science Superintendent TELEPHONE NUMBER AREA CODE 61 6 4 6 5-5 90 1 COMPLETE ONE LINE FOR EACH COMPONENT FAILURE DESCRIBED IN THIS REPORT (13l CAUSE SYSTFM COMPONENT MANUFAC.TURER'%KNRKNY%o

"~TO NPRDS'3 c.i~Q+.)i.CAUSE SYSTEM COMPONENT (+A!,74 MANUFAC.TURER y+6, rrr~'PORTABL

".~n TO NPRDS'7....A.w.'.c..&%M ETI%%l: SUPPLEMENTAL REPORT EXPECTED (14)YES III yes, compirtr EXPECTED SUEMISSIOH DATEI NO ABSTRACT ILimit to f400 sprcn, I,r., epproximrtriy fifteen sinpir.specs typewritren IinNI (141 EXPECTED SUBMISSION DATE (15)MONTH DAY YEAR On November 77, 1989, with Un5.t One operating at 100 percent reactor thermal power, ie was discovered that the P-750 computers rod sequence and deviation monitors had been inoperable since a compueer bootstrap on November 73, 1989.The inoperabilitv was unknown causing the required Technical Specification l,'T/S)increased surveillance eo not be per ormed.T/S 4.1.3.1.1 and 4,1.3.2 both require a four hour surveillance of rod position determination if the rod deviation or sequence monitors are inoperable.

The normal operating twelve hcur T/S surveillances were completed with no out of specification rod positions during this event per5od.The P-250 Rod Monitor Program did not reactivate after the computer bootstrap because an operator failed to update one address point.The guidel5ne to update the computer is not explicit and contradictory causing the operator to not perform the update task properly.To prevent this event from reoccurring, a detailed procedure to perform a post maintenance operabi.lie'v check of the P-250 computer will be wrieeen.The bootstrap guide'ine has been revised to include information necessary to bootserap and update ehe computer correctl.y.

NRC Form 385 I&83"

~~~~~~~~~~~I I I I RQQmmRRRBNSRH

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NNC Form 35SA 1043 I LICENSEE EVENT REPORT (LER)TEXT CONTINUATION U.S.NUCLEASI hECULATONY COMMISSION AFFROVEO OMS No.3150&105 EXPIRES: b/31/Ie FACILITY NAME III OOCXET NUMSEh I2l YEA/I LEh NUMSEh (~)5SOUSNT/AL HVM55%v" osvlSION HQM so~AOE ISI D.C.Cook Nuclear Plant:-Unit One TEXT///more<<>>ce is soy/we/L oss~//OO/'>>/HRC%%de 3/ELA's/IITI 0 5 0 0 0 3$5 8 9-0 1 4-0 0 0 4 oFO 4 FAILED COMPONENT IDENTIFICATION:

NONE PREVIOUS SIMILAR EVENTS: NONE~5 p~,, Ill~" 5~