ML18219C251

LER-1977-016-00 for Donald C. Cook, Unit 1 - Trip of 600V AC Circuit Breaker (11D6)

ML18219C251
Person / Time
Site:	Cook
Issue date:	04/01/1977
From:	Jurgensen R American Electric Power Service Corp, Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co)
To:	James Keppler NRC/IE, NRC/RGN-III
References
LER-1977-016-00
Download: ML18219C251 (5)

Text

U.S. NUCLFAA IIFGULATORYCOMMISSION DOCKET NUMBER NR(

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FILE NUMBER NRC DISI RIBUTION FDR PAINT 50 DOCKET MATERIAL XNCIDENT REPORT FROM: INDIANA & HICHIGAN PMR CO. DATE OF DOCUMENT TO: J.G. EKEPPLER BRIDGHAN, MICHIGAN 4 1 77 R.W. JURGENSEN DATE RECEIVED 1

4 6 77 gt.QTTER C3NOTORIZED PROP INPUT FOAM NUMBER OF COPIES RECEIVED I

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/C DFSCAIPTION ENCLOSURE LTR. TRANS THE LICENSEE EVENT REPORT -FOR R.O. /I. 77-16, ON FOLLOWING.......'1P) 3/5/77 CONCERNING 600V AC 'CIRCUIT BREAKER (11D TRIPPING......., ...

~0 f)W Ihfiiji)g PLANT NARK; COOK 8 1 SAB NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J, COLLINS FOR ACTION/INFORMATION BRANCH CHIEF:

M 3 CYS FOR ACTION

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LXCo ACRS CYS S NT Q CYS H INTERNAL D ISTRI BUTION NRC PDR X&K 2 HXPC II SCHROEDER/XPPOLITO HOUSTON NOVAK/CHECK GRDIES CASE BUTLER HANAUER TEDZSCO/1IACCARY EISENHUT SIIAO VOLLIKR/BUNCH KREGER/J COLLINS EXTERNAL DISTRIBUTION CONTROL NUMBER LPDR: QW egg TXC:

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/%meccan y><+ NDIANA & MICHIGANPOSER COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 April 1, 1977 Mr. J.G. Keppler, Regional Director Office of Inspection and Enforcment United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of Appendix A Technical Specifications and the United States Nuclear Regulatory Commission Regulatory Guide 1. 16, Revision 4, Section 2. b, the following report is submitted:

RO 50-315/77-16.

Sincerely, Q~ R.W. Jurgensen Plant Manager

/bab cc: R.S. Hunter J.E. Dolan G.E. Lien R. Kilburn R.J. Vollen BPI R.C. Callen MPSC K.R. Baker RO: III P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

G. Olson J.M. Hennigan PNSRC R.S. Keith Dir., IE (30 copies)

Dir., MIPC (3 copies)

P,PR 4 1977

Form No. 4494 IIICENSEE EVENT REPORT rt'0 CONTROL BLOCK: (PLEASE PRINT ALL REQUIRED INFORMATION)

LLCENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPF.

tcagN I 0 C C Y O 0 0 0 0 0 0 0 0 4 1 1 1 1 89 25 26 30 32

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7 14 15 31 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVEN'I OATF. RI PORT DATE

[na~]cow~ ~L L 0 5 0 0 3 '1

5. 0 3 0 5 7 7 0 4 0 7 8 57 58 59 60 61 6 89 74 75 00 ii, '1 I

EVENT <DESCRIPTION Jog Whi1 e star tin turbine emergency D.C. bearing oil pump for surveillance test, 600V AC 7 89 tri

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ed. I..11D6 supplies HCC 1-fZC-D which supplies battery Circuit Breaker llD6 7 89

[cnaj Lc(lurger 1CDl, and valves DCN-250, (RCP seal water return) and II'10-53 (Boron irij. to 7 8 9. BP cold r/3); Placed battery charger i'n service arid closed-))D(D. Splid-State ,.

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Tri p Device for 1 1 D6 was repl aced and tested sati s factor i ly. ( R0 50 3] 5/77 ] 6) 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT 44'7 005 CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VIOLATION

~ED ~E R E L A Y X ~A N 48 7 8 9 10 11 12 17 43 CAUSE DESCRIPTION topi ITf Imperial Solid State Trip Device Relay S/N 2177R tripped the breaker at an,amp'-.'

8 9 80 Qo 9 "I,rage lower than the setpoint. The trip device had been tested satisfa'ctorily" less "'~it 7 89. 80

~10 than two months prior. Replaced trip device s.ith spare; S/N 3143R.

7 89 METHOD OF 80 FACILITY STATUS POWER OTHER, STATUS DISCOVERY DISCOVERY DESCRIPTION IsS~j ~c ~05 o 13 NA 44 b

45 46 NA 80 7 8 9 10 12

'ORM OF ACTIVITY CONTENT RELEASEO OF RELEASE AMOUN'r OF ACTIVITY LOCATION OF RELEASE Z'

Qg 9 10 NA 44 45 '80 7 8 11 ~

PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 7 8 9

~IJJJ 11 Z

12 13 NA 80 PERSONNEL INJURIES NUMBER DESCRIPTION

~i4 ~00 0 NA 7 89 11 12 80 OFFSITE CONSEQUENCES Q~g NA 7 8 9 80 LOSS OR DAMAGE Tp FACILITY TYPE DESCRIPTION

~16 Z NA 7 89 10 80 PUBLICITY NA 7 89 80 ADDITIONAL FACTORS

~18 NA 7 89. 80 7 89 80 David G. Wizner PHPNE. 616 465 5901 GPG Sot 6GT

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