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 NRC QRG: SHALLER D V IN Zc MI PWR DOCDATE: 07/ii/78 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: EXTERNAL: 6 FILE++2 ENCL I 8c C SYSTEMS BR%4W/ENCL NQVAK/CHECK~~W/ENCL AD FQR ENG++W/ENCL HANAUER~~~W/ENCL AD FOR SYS 8.PROJ++W/ENCL ENGINEERING BR+4W/ENCL KREGER/J.COLLINS+>W/ENCL K SEYFRIT/IE+4W/ENCL LPDR S ST.JOSEPH'I++A/ENCL TERA~~W/ENCL NSIC++W/ENCL

" ACRS CAT 8++8/lh ENCL NRC PDR++W/ENCL MIPC~~W/3 ENCL EMERGENCY PLAN BR++W/ENCL EEB~~W/ENCL PLANT SYSTEMS BR>>W/ENCL AD FOR PLANT SYSTEMS4+W/ENCL REACTOR SAFETY BR>%W/ENCL VQLLMER/BUNCI l<H~W/ENCL POWER SYS BR+4W/ENCL DISTRIBUTION:

LTR 45 ENCL 45 SIZE: iP+iP THF FND CONTROL NBR: 781 50 35 i1 t'l~Az l P I y 5 1I I IPip~rlcsn INDIANA tr MICHIGAN PDNE8 COMPANY DONALD C.COOK NUCLEAR PLANT P.O.Box 458, Bridgman, Michigan 49106 July ll, 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 C'" p cn 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 R.W.Jurgensen R.F.Kroeger R.Kilburn R.J.Vollen BPI K.R.Baker RO:III ROC.Callen MPSC P.W.Steketee, Esq.R.Walsh, Esq.G.Charnoff, Esq.G.Olson J.M.Hennigan PNSRC J.F.Stietzel R.S.Keith Dir., IE (30 copies)Dir., MIPC (3 copies)JUL 13 1978 l gc J a~-0 I il lY.~FJ3RM 366 U.S.NUCLEAR REGULATORY COMMISSION LlCENSEE EVENT REPORT CONTROL BLOCK: I Q1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6~o>N I D C C ZQs 0 0 0 0 0 0 0 0 0 0 0 Qs4 I I I 1Qs~Qs 7, 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T soURGE LLJQB 0 5 0 0 0 3 1 6 Q7 Q QB 7/8 60 61 DOCKET NUMBER QI 69 EVENT PATC 74 75 REPORT DATE 80 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 7 8 9 80[OO~]7 8 SYSTEM CAUSE CAUSE COMP.VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE~CJ Q>>E Q>>~EQ>>V A L V 0 P Q4~DQls~Z Qls 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRP EVENT YEAR REPORT NO.CODE TYPE NO.Ql REPoRT~78~~04 3~W~03~L~~0 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDP PRIME COMP.COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB.SUPPLIER MANUFACTURER Qls~ZQl~AQss~AS 0 0 3 3+NQss~YQss~NQss 8 0 4 0 Qss 33 34 35 36 37 40 41 , 42 43 44 47 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 FURTHf R ACTIONS ARE PLANNED~4 7 8 9 FACILITY STATUS 88 POWER OTHER STATUS Q 8 Qss~08 3 Q N A 7 8 9 10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q ZIZ~Z Q uZQ34 N A 7 8 9 10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39~00 0 QZ Qss N A 80 80 N A'Qs" ss 45 METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q2~AQ31 RAPID PRESSURf DfCLINE 45 46 LOCATION OF RELEASE QBB 7 8 8 7 8 9 7 8 l O 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION Q41 LOOOO JQ4s 9 11 12 LOSS OF OR DAMAGE.TO FACILITY Q43 TYPE DESCRIPTION Z Q42 NA 9 10 PUBLICITY ISSUED DESCRIPTION

~N~Q44 9 10 E PF PRFPARER R.S.LEASE 80 80 68 69 (616)465-5901 80 NRC USE ONLY O 80 0 a