ML18219C202

LER 1978-024-03L Re Circuit Breakers for Three Motor Operated Valves

ML18219C202
Person / Time
Site:	Cook
Issue date:	04/12/1978
From:	Shaller D Indiana Michigan Power Co
To:	James Keppler NRC/RGN-III
References
LER 1978-024-03L
Download: ML18219C202 (6)

Text

g q/z /r"s REGULATORY INFORMATION DISTRIBUTION SYSTEN <RIDS)

DISTRIBUTION FOR INCOMING I"IATERIAL 50-315 REC: KEPPLER J G ,ORG: SHALLER D V DOCDATE: 04/12/78 "

NRC IN 5 NI PWR DATE RCVD: 04/ 18/ 7&,

DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED

SUBJECT:

LTR 1 ENCL 1 LICENSEE EVENT REPT 078-024 GN 3/22/78 CONCERNING TRIPPING OF CIRCUIT BREAKERS FOR THREE NOTOR OPERATED VALVES POWERED FROhI NOTOR CONTROL CENTER i-ABV-D.

PLANT NANE: COOK "- UNIT 1 REVIEWER INITIAL: XRS DISTRIBUTOR IhlITIAL:

DISTRIBUTION OF THIS NATERIAL IS AS FOLLOWS 4++44<<<<++<<<<+++

INCIDENT. REPORTS (DlSTRIBUTION FOR ACTION:

INTERNAL:

'RCODE A002)

CHIEF E * ~W/4 ENCL G F ILE~~~~W/ENr NRC PDR++W/ENCL CL NIPC~4~W/3 ENCL SCHROEDER/I PPOL I TO+~W/ENCL HOUSTON>+W/ENCL KNIGHT~~~~W/ENCL

/

NOVAI<fCHECK+4t IJ ENCL EEB+4W/ENCL BUTLER~+W/ENCL HANAUERi~~~W/ENCL TEDESCO44W/ ENCL E I SENHUT~l ~l W/ENCL BAER>+W/ENCL SHAO~~~~W/F.NCL VOLLNER/BUNCH+wW/ENCL KREGER/J. COLL INS++W/ENCL ROSA~~~W/ENCL K SEYFR IT/IE4~+WfENCL EXTERNAL: LPDR~S ST. JOSEPH I"II~~~ W/ENCL T I C%~W/ENCI NSI G~~~W/ENCL ACRS CAT B~~~W/16 ENCI

( )PIPS yr>T ."I i-"'1l'I'I I) I'I r

,"I;~I'1.P.'fO"Y ~t'II)l: 10.1 DISTRIBUTION: LTR 45 ENCL 45 CONTROL NBR: 78109029.

I S ZE: 1 P+1P PP 4%%08%%%%%4%%4W%4%4F%%08%%%8M %%%%%%%%% THE END  %%%%%%%%%4HM%%%%%%+%4%%%444 +4+%<%+4

4 D N 8r MICHIGANPDNER COM DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 April 12, 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 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications, the following report is submitted:

RO 78-024/03L-O.

Sincerely, D.V. Shaller Plant Manager

/bab cc: J.E. Dolan R.W. Jurgensen R,F, Kroeger R. Kilburn R.J. Vollen BPI K.R. Baker RO:III R.C. Callen MPSC P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

J.M. Hennigan G. Olson PNSRC J.F. Stietzel Dir., IE (30 copies)

Dir., MIPC (3 copies)

1 g ~

NRC,'FORM 366 U. S. NUCLEAR REGULATORY COMMISSION I7,~ LICENSEE EVENT REPORT k

/

CONTROL BLOCK

,Q (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

[OOi) Q 25 Q3 LICENSE TYPE 30 Q/L 57 CAT 58 QR 7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 26 CON'T

~o 7 8 soURGE ~O 60 61 O

DOCKET NUMBER 68 Q 69 0 3 2 2 EVENT DATE 7 '8 74 Q 75 4 I 2 REPORT DATE 7 8 80 Q

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 DURING NORMAL OPERATION IT WAS DISCOVERED THAT THE CIRCUIT BREAKERS FOR

~o 3 ,THREE MOTOR OPERATED VALVES POWERED FROM MOTOR CONTROL'ENTER -AB -D

~O4 WERE(TRIPPED. THIS RESULTED IN LOSS OF ONE OF THE REDUNDANT FLOW

~os PATHS FOR ONE ECCS TRAIN T. S. 3. 5. 2e AND ONE SPRAY ADDITIVE TRAIN (T. S.

~OB T 0 0 THE VALVES ARE NORMALLY CLOSED AND OPEN AUTOMATICALLY ON A CONTAINMENT SPRAY ACTUATION. OPERATION OF THE THIRD VALVE WOULD

~OB HAVE BEEN 'RE UIRED SUBSE UENT TO L. DURING THE RECIRCULATION PHASE.

7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE.

~OS 7 8

~28 9

CODE 10 Q>>

CODE MQEE 11 SUBCODE MQ>>

12 SEOUENTIAL 13 COMPONENT CODE 18 OCCURRENCE Q14

~ ~

SUBCODE 19 REPORT Q15 SUBCODE 20 Q16 REVISION Q11 LERIRO REPoRT ACTION FUTURE EVENT YEAR

~78 21 22 EFFECT

~

23 SHUTDOWN

~02 24 REPORT NO.

4 26

~W 27

~03 28 ATTACHMENT CODE 29 NPRDQ TYPE LL-I 30 PRIME COMP.

31 COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER LJ~QER ~ZQER ~ZQER ~ZQ>> 0 0 0 0 ~NQER LJLIQE4 ~LQEE QB 33 34 35 36 37 40 41 42 43 44 47 CAUSE ESCRIPTION AND CORRECTIVE ACTIONS Q27 o THE CAUSE OF THE EVENT I'S NOT KNOW P 1 PREVIOUSLY AT SHIFT RELIEF AND 'DURING WORK IN THE MOTOR CONTROL CENTER. THERE WERE NO PRE IOUS 3 THIS TYPE FOR THESE THREE BREAKERS. THE BREAKERS WERE RECL 4 VALVES WERE CYCLED AND FOUND OPERABLE WITH NO RECURRENCE 8 80

~

7 9 FACILITY ~3P METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 hJo~I STATUS  % POWER OTHERSTATUS EK MQ 7 8 9 10 12 13 44

~Q31 45 46 80 ACTIVITY

~

CONTENT RELEASED OF RELEASE Q3 ~Q34 NA AMOUNT OF ACTIVITY ~ NA LOCATION OF RELEASE Q36 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7 8

~00 9

OjQET 11 12 Z QER 13 80 PERSONNEL INJURIES Q41 7 8 9 11 12 80 LOSSOF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION 9 Z Q2 NA 7 8 9 10 80 O

ISSUED MQ44 PUBLICITY DESCRIPTION A

~ NRC USE ONLY 6

7 8 9 10 68 69 80 g 0

NAME OF PREPAR<<J. M. Randol h (61 6) 465-5901

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