ML18219B522

06/06/1978 Letter Licensee Event Report

ML18219B522
Person / Time
Site:	Cook
Issue date:	06/06/1978
From:	Shaller D American Electrtic Power System, Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co)
To:	James Keppler NRC/IE, NRC/RGN-III
References
LER 1978-031-03L
Download: ML18219B522 (6)

Text

MATERIAL'0-316 REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIBS>

DISTRIBUTION FOR INCOMING REC: KEPPLER J G ORG: SHALLER D V DOCDATE: 06/06/78 NRC IN 8. MI PWR DATE RCVD: 06/19/78 DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED

SUBJECT:

LTR 1 ENCL 1 FORWARDING LICENSEE EVENT REPT (RO 50-316/78-031> ON 05/07/78 CONCERNING DURING NORMAL OPERATIONr TWENTY TWO EVENTS OCCURRED BETWEEN Tl IE DATES OF MAY 7 5 MAY 19'HERE ROD POSITION INDICATION DID NOT MEET THE PLUS-MINUS 12 STEP LIMIT OF TECH SPEC 3. 1. 3. 2 PLANT NAME: COOK UNIT 2 REVIEWER INITIAL: X JM t" N DISTRIBUTOR INITIAL: ~

DISTRIBUTION OF Tl-IIS MATERIAL IS AS FOLLOWS 4~4++<<<<<<<<+<<<+

4 NOTES:

'1. SEND 3 COPIES OF ALL MATERIAL TO ISE, ED REEVES-1 CY ALL MATERIAL COINCIDENT REPORTS (DISTRIBUTION CODE A002>,

FOR ACTION: BR F LWR82 BC~~W/4 ENCL INTERNAL: REG FILE+ /ENCL NRC PDI~%+W/ENCL

/Q ENCL MIPC<<W/3 ENCL I 5 C SYSTEMS BR++W/ENCL EMERGENCY PLAN BR>~W/ENCL NOVAK/CHECK4+W/ENCL EEB44W/ENCL AD FOR ENG++W/ENCL I ~ PLANT SYSTEMS BR>+W/EhlCL HANAUER+4W/ENCL ,ADFQR PLANT SYSTEMS+<W/ENCL AD FOR OPER TECH>+W/ENCL ;REACTOR SAFETY BR<+W/ENCL ENGINEER(Ng gR+~W/ENCL :VOLLMER/BUNCH%<&W/ENCL KREGER/J. COLL INS4~+W/ENCL POWER SYS BR+>W/ENCL K SEYFRIT/IE+<W/ENCL EXTERNAL: LPDR S ST. JOSEPH MI++W/ENCL TIC4+W/ENCL NS IC++W/ENCL ACRS CAT B+~W/16 ENCL Nllfl > "<<4g

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DISTRIBUTION: LTR 45 ENCL 45 CONTROL NBR: 783.700017 SIZE: 1P~.i P+iP "WICI '"<< ~ <<~ t e )<<~i I

%%%%%%%%-K%%%%8E<4"k4 %%889FCF%4F%%%%%%%%4% Tl-IE END  %%4%%%%%%%%%%8%%%%%%%%%00%%%%%%%>

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":" INDIANA& MICHIGANPDNER CDMPANY DONALD C. COOK,'UCLEAR PLANT'.O. 41 Box 458, Bridgman, Michigan '49106 g~'a og.)<~(gg June 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 Operating License DPR-74 Docket No. 50-316

Dear Mr. Keppler:

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

RO 78-031/03L-O.

Sincerely, DE 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.

G. Olson J.M. Hennigan JUil 09 iS>s PNSRC J.F. Stietzel Dir., IE (30 copies) 781700017 Dir., MipC (3 copies) lsIIIIj

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~ 1, NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7.77z 4-A LICENSEE EVENT REPORT CONTQOL BLOCK: Q1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6 N I 0 C C 2 QE 0 0 0 0 0 0 0 0 0 0 0 QR 4 I I '1 1 Q4 I

89 LICENSEE CODE 14 15 lICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T

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~LQB 0 5 0 0 0 3 1 6Q70 5 0 7 7 8QB0

'74 6 0 6 7 8 Qe DOCKET NUMBER 68 69 EVENT DATE ~ IS REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES i&10 MAY 7 AND

~o2 DURING NORMAL OPERATION, TWENTY-TWO EVENTS OCCURRED BETWEEN THE DATES OF MAY 19, WHERE ROD POSITION INDICATION (RPI ) DID NOT MEET THE + 12 "STEP LIMIT OF THE ATTACHED SUPPLEMENT DESCRIBES ALL THESE EVENTS AFTER THE EVENT T.

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ON 5 16 78 THE RPI FOR D 8 WAS DECLARED INOPERABLE. THE ACTION REQUIREMENT OF T.S.3.1.3.2a WAS FULFILLED. PREVIOUS OCCURRENCES OF A SIMILAR NATURE INCLUDE B

RO 050/315-78-07 04 77-34 33 28 27 76-54 44 13 RO-050/316 78-22 08 07 o B (SEE ATTACHED SUPPLEMENT) 7 8 9 80 SYSTEM CAUSE CAUSE

~OB 7 8 9 IO Q11 fJ 11 Q12 LI 12 Q13 13 18 Q14 ~I 19 Q15 ~Z 20 Q16 REVISION SEQUENTIAL OCCURRENCE REPORT EVENT YEAR REPORT NO, COQ.E TYPE NO.

Q17 LF RiRP REPoRT LIIO 21 22 Q

23

~03 I 24 26 Qr 27 LOCI 28 29 QL 30 Q31

[JO 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.'OMPONENT TAKEN ACTION ON PLANT METHOD HOURS &22 SUBMITTED FORM SUB. SUPPLIER MANUFACTQBER.

~EQ16 ~ZQ16 33 34 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS &27

~ZQ26 35 gJ 36 37 0 0 0 Tl 40

+YQ23 41 '2 ~YQ24 ~NQ25 43 44 N 1 "

47 QR

~ID INVEST I GATION REVEAL'ED THAT MOST OF THESE EVENTS 'INVOLVED MEASUR'ING THE AFFECTED ROD'S SECONDARY COIL VOLTAGE TO VERIFY THAT THE ROD WAS AT THE PROPER POSITION. THE DLII SIGNAL CONDITIONING MODULE WOULD THEN BE CALIBRATED AND PLACED BACK IN SERVICE RETURN 3

ING RP I TO W I TH I N TH E + 1 2 ST E P LI M IT . S E V E RA L 0 F TH E E V E N T S RE S U LTE D W ITH RP I 4 RETURNING TO WITHIN THE, 12 STEP T.S. LIMIT WITHOUT (SEE ATTACHED SUPPLEMENT) 8 9 80 FACILITY 3P METHOD OF

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E Q26 ~07 0 Q>> CII ~)PQ OPERATOR 7 8 9 10 12 44 45 46 80 EZ LI ACTIVITY CONTENT'ELEASED OF RELEASE Q3'JQ34 AMOUNTOF ACTIVITY NA

~ NA LOCATION OF RELEASE Q 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION ~39 7 ~OG 0 Q37 Z Q36 NA 7 8 9 11 12 13 80 PERSONNEL INJURIES 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q43 Z Q42 NA 7 8 9 10 80 O

ISSUED PUBLICITY LmJQ44 DESCRIPTION ~ NA NRC USE ONLY ER 7 8 9 10 68 69 ,BO o Jack Rischlin 0 PHONE: L NAME OF PREPARER

SUPPLEMENT TO EVENT DESCRIPTION OF LICENSEE EVENT REPORT 878-031/03L-0 THIS IS A LISTING OF EVENTS WHERE RPI DID NOT MEET THE 12 STEP LIMIT OF T.S. 3.1.3.2.

DATE TIME ROD POSITION INDICATION AFFECTED 5/7 2315 D-8,D-12, M-8, H-8 5/8 1210 C-9 5/8 1725 D-4, D-8, D-12, M-12'004 5/9 D-8 5/9 2213 D-4, D-8, D-12, M-8, H-4 5/10 0358 D-4, D-8, D-12, M-4, M-8, M-12, H-8 5/10 1148 D-8, H-8, D-12 5/10 1238 M-8, M-12, H-4 5/10 2115 D-12, H-8 5/10 ., 2318 D-8, M-4, H-8, H-12 5/12 0553 D-4, D-8, D-12, M-12 5/14 2015 H-8 5/14 2327 H-8 5/15 0355 D-8 5/15 0413 D-8 5/15 1658 D-8 5/15 2136 D-8 5/16 0040 D-8 5/16 0338 D-8 5/16 0748 ,

,D-8 (D-8 RPI Determined inoperable) 5/19 0200 H-8 5/19 1611 H-8 SUPPLEMENT TO CAUSE DESCRIPTION ANY CORRECT IVE ACTION. THE D-8 RPI PROBLEM WAS FOUND TO BE "CAUSED BY A CONNECTOR ON THE REACTOR HEAD, THE PINS WERE RECESSED IN THE CONNECTOR CAUSING THE RPI TO FLUCTUATE AS SHORTS OCCURRED.