IR 05000316/1978001
| ML18219B551 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 02/06/1978 |
| From: | Shaller D American Electrtic Power System, Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co) |
| To: | James Keppler NRC/RGN-III |
| References | |
| LER 1978-001-00 | |
| Download: ML18219B551 (12) | |
Text
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)DISTRIBUTION FOR INCOMING MATERIAL 50-3i6 ORG: SHALLER D V IN 8c MI PWR NOTAR I ZED: NO REC: KEPPLER J G NRC DOCDATE: 02/06/78 DATE RCVD 02/i0/78 DOCTYPE: LETTER COPIES RECEIVED SUBJECT: LTR 0 ENCL i LICENSEE EVENT REPT (RO 50-3i6/78-0i)
ON Oi/07/78 CONCERNING SOURCE RANGE CHANNEL<N-32)INCREASED SOUNDING THE"HIGH FLUX",AND"CONTIANMENT EVACUATION" ALARMS DUE TO LOOSE CABLES IN CONNECTORS.
PLANT NAME: COOK-UNIT 2 REVIEWER INITIAL: X JM DISTRIBUTOR INITIAL: DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS NOTES: SEND 3 COPIES OF ALL MATERIAL TO I8(E INCIDENT REPORTS (DISTRIBUTION CODE A002)FOR ACTION INTERNAL: EXTERNAL: BRANC~IEL+~W/4 ENCL REG FILE4+W/ENCL I 8c E4+W/2 ENCL SCHROEDER/I PPOL I TOW+W/ENCL NOVAK/CHECK++W/ENCL KNIGHT4+W/ENCL HANAUER4+W/ENCL EI SENHUT++W/ENCL SHA04+W/ENCL KREGER/J.COLLINS+wW/ENCL L.CROCKER<+8/ENCL LPDR S ST.JOSEPH e MI++W/ENCL TICKS<W/ENCL NS I C+4 W/ENCL ACRS CAT B4+W/i6 ENCL NRC PDR++W/ENCL MIPC44W/3 ENCL HOUSTON~+W/ENCL GR I MES<4 W/ENCL BUTLER++W/ENCL TEDESCO+4W/ENCL BAER++W/ENCL VOLLMER/BUNCH+4W/ENCL ROSA4+W/ENCL K SEYFRIT/I E++W/ENCL COPIES NOT SUPfITTED PER!REGULATORY GUIDE 10.1 DISTRIBUTION:
LTR 46 ENCL 46 SIZE: iP+iP+iP CONTROL NBR 78041003 THE END%4%%%%%%%%%%4%%%%%%%%%4%%%%%%%%%%%%
7 I 4~F.II hI 1~l lf"~, il ll 0-<<---'"5IIti y t NDIA NA 8 IlIICHIGA N PD 5'ER COIt/IPA N V)DONALD C.COOK NUCLEAR PLANT P.O.Box 458, Bridgman, Michigan 49106 February 6, 1978 Mr.J.G.Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137
Dear Mr.Keppler:
fige Pjp N~~e g Operating License DPR-74 Docket No.50-316 Pursuant to the requirements of Appendix A Technical Specifications and the United States Nuclear Regulatory Cormission Regulatory Guide 1.16, Revision 4, Section 2.b, the following report is submitted:
RO 50-316/78-01.
Sincerely, D.V.Shaller Plant Manager/bab cc: J.E.Dolan R.W.Jurgensen G.E.Lien R.J.Vollen BPI R.Kilburn K.R.Baker RO:III R.C.Callen MPSC P.W.Steketee, Esq.R.Walsh, Esq.G.Charnoff, Esq.G.Olson J.M.Hennigan J.F.Stietzel PNSRC Dir., IE (30 copies)Dir., MIPC (3 copies)78041 003o gdOB Farm No.4494 CONTROL BLOCK:~LICENSEE EVENT REPORT 0[PLEASE PAINT ALL REQUIRED INFORMATION)
UCENSEE NAME LICENSE NUMBER@01]M I D C C 2 0 0-0 0 0 0 0-0 7 89 14 15 LICENSE TYPE EVENT TYPE 0 A 1 1 1 1~03 30 31'32 25 26 REPORT REPORT CATEGOAY TYPE'OURCE
[OD1)CON'7~L L 7 8 57 58 59 60 EVENT OATE 0 1 0 68 69 61 OOCKET NUMBER 0 5 0-0 3 1 6 REPORT OATE 0 2 0 6 7 8 80 74 75 EVENT OESCRIPTION Qpg ON JANUARY 7, 1978 AT 0740, JUST AFTER INITIAL FUEL LOADING, 1j(ITH THE UPPER 80 I INCREASED SOUNDING THE"HIGH FLUX" AND"CONTAINMENT EVACUATIONM ALARMS.7-89 80 jg AT 2045, IT WAS NOTICED THAT SOURCE RANGE CHANNEL (N-31)INDICATION WAS ERRATIC.80 RO-50-0316 78-01 7 8 9 toO6J IN BOTH CASES CORE ALTERATIONS WER 80 7 8 9 PRR/IE SYS'EM CAUSE COMPONENT COMPONENT COBE COBE COMPONENT CODE SUPPUEA MANUFACIUAEA VIOLATlON IDDDD7 7I~110 0E I N S T R U N H 1 2 0 N 7 8 9 10 11 12 17, 43 44 47 48 CAUSE DESCRIPTION 0 8 ALL CONNECTORS ASSOCIATED WITH N-32 WERE CHECKED TWO WERE FOUND TO HAVE LOOSE 7 8 9 80 Qpg CABLES IN THE CONNECTORS THESE CONNECTORS WERE REMADE CORRECT IllG THE DEFICIENCY 80 7 8 9~1 0 THE PROPER OPERATION OF THE CHANNEL WAS VERIFIED.SEE SUPPLEMENT 80 7 8 9 FACIUTY STATUS SS POWER Qig H~00 0 N/A 7 8 9 10 12 13 FORM OF ACTIVITY COATENT AELEASEO OF RELEASE AMOUNT OF ACTIVITY Z~Z NA 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE OESCAIPTION
~s~OO 0 2 7 89 11.12 13 PEAS'ONNEL INJURIES NUMBER OESCRIPTION
~4~00 0 NA 7 89 11 12 METHOO OF OISCOVEAY OTHER STATUS OL1COVEAY OESCRIPTION A AUDIBLE ALARM 44 45 46 80 LOCATION OF RELEASE 80 44 45 80 80 OFFSITE CONSEQUENCES NA 7 89 80 I INTERNALS INSTALLED AND ROD DRAG TESTING IN PROGRESS, SOURCE RANGE CHANNEL N-32 7 8 9 LOSS OR OAMAGE TO FACILITY 7 89 10 PUBLICITY NA 7 89 AOOITIONAL FACTORS PQB NA 7 89 80 80 80 80~19 NA 7 89 NAME J~L~RISCHL ING 80 (616)465-5901, ext.368 PHONE: GPO IIDI 607 SUPPLEMENT TO REPORTABLE OCCURRENCE 50-0316/78-01 EVENT TERMINATED AS REQUIRED BY TECHNICAL SPECIFICATION 3.9.2.CAUSE INVESTIGATION REVEALED THAT THE N-31 DEFICIENCY WAS CAUSED BY THE DISCRIMINATOR SETTING BEING SET VERY LOW, THIS RESULTED IN ERRATIC METER MOVEMENT.THE BIAS SETTING WAS ADJUSTED, ALLOWING FOR SMOOTH METER MOVEMENT WITH THE CHANNEL FUNCTIONING PROPERLY.
fDN~BQ S33lh83S HOllfiBIUlSIQ OdR'S A pB I Nd 6 8338L6)NS30 10BIN03<'k3wnooo a3wsoav g%meman NOIANA&MICHIGAN POINGR COM NY DONALD C.COOK NUCLEAR PLANT P.O.Box 458, Bridgman, Michigan 49106 February 6,,1978 t Mr.J.G.Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevel t Road Glen Ellyn, IL 60137 Operating License DPR-74 Docket No.50-316
Dear Mr.Keppler:
Pursuant to the requi rements of Appendix A Technical Specifications and the United States Nuclear Regulatory Conmission Regulatory Guide 1.16, Revision 4, Section 2.b, the following report is submitted:
RO 50-316/78-01.
Sincerely, D.V.Shaller Plant Manager/bab cc: J.E.Dolan R.W.Jurgensen G.E.Lien R.J.Vollen BPI R.Kilburn K.R.Baker RO:III R.C.Callen MPSC P.W.Steketee, Esq.R.Walsh, Esq.G.Charnoff, Esq.G.Olson J.M.Hennigan.J.F.Stietzel PNSRC Dir., IE (30 copies)Dir., MIPC (3 copies)9 1978
'll ig I tt A'P Farm No.4494 CONTROL BLOCK: LICENSEE EVENT REPORT f PLEASE PRINT ALL REQUIRED INFORMATION)
UCENSEE NAME Jog M I D C 7 89 CATEGORY[oui cooo~7 8 57 58 LICENSE NUMBER C 2 0 0-0 0 0 0 0-0 14 15 REPORT REPORT TYPE SOURCE OOCKET NUMBER L~L 0 5 0-03 1 6 68 59 60 61 LICENSE TYPE EVENT TYPE 25 26 30 31'32 EVENT OATE 0 1 0 69 74 75 REPORT OATE 2 0 6 7 8 80 0 4 1 1 1 1~03 EVENT DESCRIPTION ON JANUARY 7, 1978 AT 0740, JUST AFTER INITIAL FUEL LOADING, t'tlTH THE UPPER 7 8 9 80 QP3 INTERNALS INSTALLED AND ROD DRAG TESTING IN PROGRESS, SOURCE RANGE CHANNEL N-32 80[y]INCREASED SOUNDING THE"HIGH FLUX" AND"CONTAINMENT EVACUATION" ALARNS.80 t RO-50-0316 78-01)7 8 9 Qo6 IN BOTH CASES CORE ALTERATIONS WE E 80 E 7 8 9 FAME SYSTEM CAUSE COMPONENT COMPONENT CODE COOE COMPONENT COBE SUPPUER MANUFACTURER VOLATION[oazi~ID~E I H S T II 0~H H 1 2 0 H 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION 0 8 ALL CONNECTORS ASSOCIATED WITH N 32 MERE CHECKED TWO WERE FOUND TO HAVE LOOSE 7 8 9 80 gg CABLES IN THE CONNECTORS.
THESE CONNECTORS WERE REMADE CORRECTING THE DEFI'CIENCY, 80 7 8 9 Q~oj THE PROPER OPERATION OF THE CHANNEL MAS VERIFIED.SEE SUP LEMENT 80 7 89 FACIUTY STATUS POWER P)7<-H~00 0 H A 7 8 9 10 12 13 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY Q~g z z N A 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q~g~oo o 7 8 9 11,12 13 PERS'ONNEL IN JURiES NUMBER OESCRIPTION
[is~]~00 0 NA 7 89 11 12 OFFSITE CONSEQUENCES NA METHOO OF DISCOVERY OTHER STATUS DISCOVERY OESCRIPTION A UDIBLE L 80 44 45 46 LOCATION OF RELEASE N 44 45 80 80 80 7 8 9 80.gg AT 2045, IT WAS NOTICED THAT SOURCE RANGE CHANNEL (N-31)INDICATION WAS ERRATIC, 7 8 9 LOSS OR DAMAGE TO FACILITY TYPE OESCRIPTION QJ~z NA 7 89'0 PUBLICITY NA 7 8,9 ADDITIONAL FACTORS~18 NA 7 89~19 NA 80 80 80 80 7~89 NAME J~L~R I SCHL I NG (616),465-,'5901,.
ex'.368 GPG dd'I~ddl e C I~8 t4 SUPPLEMENT TO REPORTABLE OCCURRENCE 50-0316/78-01 EVENT TERMINATED AS REQUIRED BY TECHNICAL SPECIFICATION 3.9.2.+elk'Ge44ll Flw~e CAUSE INVESTIGATION REVEALED THAT THE N-31 DEFICIENCY WAS CAUSED BY THE DISCRIMINATOR SETTING BEING SET VERY LOW, THIS RESULTED IN ERRATIC METER MOVEMENT.THE BIAS SETTING WAS ADJUSTED, ALLOWING FOR SMOOTH METER MOVEMENT WITH THE CHAI'JNEL FUNCTIONING PROPERLY.
QISII~IBU I IOII SCRYICES'O~r,IICH