ML18219B571

Letter from Indiana & Michigan Power Co to NRC Submitting Licensee Event Report (RO 78-043/03L-0), Submitted Late Due to a Paper Defect

ML18219B571
Person / Time
Site:	Cook
Issue date:	07/11/1978
From:	Shaller D American Electrtic Power System, Indiana Michigan Power Co
To:	James Keppler NRC/RGN-III
References
LER 1978-043-03L
Download: ML18219B571 (6)

Text

ay(i$ /e g REGULATORY INFORMATION 'DISTRIBUTION SYSTEM (RIDS)

DISTRIBUTION FOR INCOMING MATERIAL 50-316 REC: KEPPLER J 6 QRG: SHALLER D V DOCDATE: 07/ii/78 NRC IN Zc MI PWR DATE RCVD: 07/14/78 DQCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED

SUBJECT:

LTR 1 ENCL FORWARDING CORRECTED LICENSEE EVENT REPT (RO 50-316/78-043) ON 06/03/78 CONCERNING WHILE IN MODE 1 OPERATION PRESSURIZER STARTED DECLINING RAPIDLY DUE TO ONE OF TWO SPRAY VALVES FAILED ONE HALF OPEN.

PLANT NAME: COOK UNIT 2 REVIEWER INITIAL: XJM DISTRIBUTOR INITiAL: ~

DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS

'OTES:

i. SEND 3 COPIES QF ALL MATERIAL TO I5E ED REEVES-1 CY ALL MATERIAL INCIDENT REPORTS

<DISTRIBUTION CODE A002>

FOR ACTION: BR 62 BC~~M/4 ENCL INTERNAL: 6 FILE++ NRC PDR++W/ENCL 2 ENCL MIPC~~W/3 ENCL I 8c C SYSTEMS BR%4W/ENCL EMERGENCY PLAN BR++W/ENCL NQVAK/CHECK~~W/ENCL EEB~~W/ENCL AD FQR ENG++W/ENCL PLANT SYSTEMS BR>>W/ENCL HANAUER~~~W/ENCL AD FOR PLANT SYSTEMS4+W/ENCL AD FOR SYS 8. PROJ++W/ENCL REACTOR SAFETY BR>%W/ENCL ENGINEERING BR+4W/ENCL VQLLMER/BUNCIl<H~W/ENCL KREGER/J. COLLINS+>W/ENCL POWER SYS BR+4W/ENCL K SEYFRIT/IE+4W/ENCL EXTERNAL: LPDR S ST. JOSEPH'I ++A/ENCL TERA~~W/ENCL NSIC++W/ENCL ACRS CAT 8++8/lh ENCL DISTRIBUTION: LTR 45 ENCL 45 CONTROL NBR: 781 50 35 SIZE: iP+iP THF FND

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~ rlcsn INDIANAtr MICHIGANPDNE8 COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 July ll, 1978 Mr. J.G. Keppler, Regional Director C'"

Office of Inspection and Enforcement cn p

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 78-043/03L-O.

The attached report is being submitted late because during the reproduction process of the Condition Report a paper defect in the original reproduced as a number one in the event date which appeared to be a 13 when, in actuality, the number should have been a 3.

Sincerely, D.V. Shaller Plant Manager

/bab cc: J.E. Dolan G. Olson R.W. Jurgensen J.M. Hennigan R.F. Kroeger PNSRC R. Kilburn J.F. Stietzel R.J. Vollen BPI R.S. Keith K.R. Baker RO:III Dir., IE (30 copies)

ROC. Callen MPSC Dir., MIPC (3 copies)

P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

JUL 13 1978

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lY.~ FJ3RM 366 U. S. NUCLEAR REGULATORY COMMISSION LlCENSEE EVENT REPORT CONTROL BLOCK: I Q1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 Qs4 I I I 1Qs~Qs 7,

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CON'T 8 9 N I D LICENSEE CODE C C ZQs 14 15 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 0 25 26 LICENSE TYPE 30 57 CAT 58 7/ 8 soURGE LLJQB 60 61 0 5 0 0 0 DOCKET NUMBER 3 1 6 QI Q7 69 EVENT PATC 74 Q 75 REPORT DATE 80 QB EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10

~02 WHILE IN MODE 1 OPERATION PRESSURIZER PRESSURE STARTED DECLINING'.RAPIDLY.

~o 3 PRESSURIZER SPRAY VALVE CONTROLLERS WERE PLACED IN MANUAL AND GIVEN A CLO 4 SE SIGNAL. PRESSURE CONTINUED TO DECLINE AND REACTOR WAS MANUALLY TRIPPED 5 8 MINUTES AFTER START OF EXCURSION. TRIP PRESSURE WAS 2000 PSIG WHICH WAS

~OB 205 PSI LESS THAN TECH. SPEC. 3.2.5 BUT 100 PSI GRfATER THAN AUTO. TRIP.

~o 7 NO PROBABLE CONSEQUENCES.

~08 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

[OO~]

7 8

~CJ 9 10 Q>>

11 E Q>> ~EQ>>

12 13 V A L V 0 P 18 Q4 ~DQls 19

~Z 20 Qls SEQUENTIAL OCCURRENCE REPORT REVISION Ql LERIRP REPoRT ACTION FUTURE EVENT YEAR

~78 21 22 EFFECT

~23 SHUTDOWN

~04 24 REPORT NO.

3 26

~W 27

~03 28 ATTACHMENT CODE 29 NPRDP TYPE

~L 30 PRIME COMP.

~

31

~0 32 NO.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER 33 Qls ~ZQl 34

~AQss 35

~AS 36 37 0 0 3 3 40

+NQss 41 ,

~YQss 42

~NQss 43 44 8 0 4 0 47 Qss CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 p

o INVESTIGATION FOUND ONE OF TWO PRESSURIZER SPRAY VALVES FAILED ONE HALF OPEN. PROBLEM WAS TRACED TO AN IMPROPERLY INSTALLED GASKET IN THE VALVE POSITIONER. A NEW GASKET WAS PROPERLY INSTALLED AND THE UNIT RETURNED TO 3 SERVICE ~ NO FURTHfR ACTIONS ARE PLANNED ~

4 7 8 9 80 FACILITY STATUS 88 POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q2 8 Qss ~08 10 3

12 Q N A 44

~AQ31 45 46 RAPID PRESSURf DfCLINE 80 7 8 9 13 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE QBB ZIZ ~Z Q 7 8 9 uZQ34 10 11 N A 44 45 N A

'Qs " ss PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 8

~00 0 QZ 12 Qss 13 N A 80 7 9 11 PERSONNEL INJURIES NUMBER DESCRIPTION Q41 8 LOOOO JQ4s 80 7 8 9 11 12 LOSS OF OR DAMAGE.TO FACILITY TYPE DESCRIPTION Q43 9 Z Q42 NA 7 8 9 10 80 l

PUBLICITY NRC USE ONLY ISSUED DESCRIPTION ~N O O ~Q44 8 9 10 68 69 80 0

E PF PRFPARER R. S. LEASE (616) 465-5901 a