ML20023D839

LER 83-035/03L-0:on 830427,low Pressure Coolant Injection HX Discharge Valve MO2-1501-3B Failed to Open.Cause Undetermined.Control Circuitry Inspected by Electrical & Instrument Maint & Found satisfactory.W/830525 Ltr

ML20023D839
Person / Time
Site:	Dresden
Issue date:	05/25/1983
From:	Coyle L, Scott D COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
83-517, LER-83-035-03L-01, LER-83-35-3L-1, NUDOCS 8306060040
Download: ML20023D839 (3)

Text

ew U S. NUCLEAR REGULATORY COMMISSloN (7 77)

. .- LICENSEE EVENT REPORT

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si :cC< ET w. e Ea sa 49 Ev ENT 0 ATE 74 ~5 =EPoar ace w EVENT EsCRIPTION ANC =RcsAsLE CONSEcusNCEs @

l a ;;; l During normal operation, while preparing to operate the LPCI system to pump down l

,3 ; 3 ; j the torus, LPCI heat exchanger discharge valve, M02-1501-3B failed to open (Tech. l l

10 J 2 ; l Spec. 3.5.A.1). Safety significance was minimal since the redundant LPCI subsystem l I io!5l l was operable. No effect on public health of safety. Previous occurrence reporrted l l o Is l I by 79-25 on Docket #50-249. l l a l 71 l l 1:!s t I l 7 3 9 30 SYSTEM CALSE CALSE COvP CCOE VALs E CODE SUSCCCE CovPCNENT CODE SUSCOCE SL9C00E lol91 (S lB l@ lE l@ lX l@ l VI Al Ll Vl El Xl@Id[F l@ Nl Hlh 7 8 9 10 1: 72 13 la

._ SEOUENTI AL CCCUARENCE REPORT *EvisiON gga og EVENT YEAR R EPORT NO. CODE TYPE NO.

O sagg I8131 2' 22 1-1 1 01 31 si I/I I 01 31 l Li l-l 10l 23 24 26 27 23 29 30 31 32 ACTION PUT'J P E EP8EOT SHUTDOWN ATTACHMENT N P R O -4 DRIVE COVp OOMPONENT TAKEN ACTION ON PLANT METHOO HOURS 22 SU8MITTED PCRM bu8. SLP8U ER VANLPACTURER l33z l@l34z l@ l35z l@ l zl@ l 01 0l 01 0l 31 lN l@ l42N l@ lNl@ l44C l 6 l 3 l S47 l@

36 40 el 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i

11 101 ! *Nnce enve=o of tho evene ennnne he decernined bornitee che fn 41 tire entild nne he l

! I'I1 i l vnnonenA. The univo una mnntin11v nnonoA nnd cyclod from the control room. control I l

l j ii i2Il circuitry was inspected by Electrical and Instrument Maintenance and found I l'I3l l satis factory. DOS 1500-1 (cnntninment Cooline Ptmn Onerability Test). will l l

l l1 l A I l contintre en be nerformed nirn rr e r! v . I 1 o';7 aa 80 I

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$T  % PCWER TH ER STA TUS IS O RY DISCOVERY DESCRIPTION l li I s l l Elg l 0 [ 2 l 3lgl N/A l l Al@l* nnernene obserw einn l l 'dTiviTv Ce'RTENT (ELEASED OFRELEASE i

LOCATION 0F RELEASE @

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li Ie 819 I ZI @ l Zl@l 7 to 11 N/AAMOUNTOF ACTivtTY 44 l

45 N/A @ l l 80 1 PERSONNEL EXPOSURES Nuv8ER TYPE C ESCRIPTICN l i l 71 l0 [ 0 l0 l@l Z [@l N/ l 7 8 9 11 12 13 .

So PER$CNNEL INJURIES NUVSER D ESCRIPTICN l

g' l0 l 0 l 0 l@l /A l oSS cESCRiPTiaN or oR oNAcESo FAC LtTv 8306060040 8305 TvPE PDR@43 g ADOCK 0500O b b@l 7 8 9 to N/A 80

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ISSLED DESCRIPTION NRC USE ONLY 2 N/A lllllllll;^

l es s9  ; ; l li so, NAME OF PREPARER Lawrence M. Covie PHONE: (815) 942-2920 x526 2 0

J DEVIATION REPORT C:mmonwrith Edison evR NO. 12 - 2 - 83 -

67 STA UNIT

• EAR NO.

"MT ? l  ?'?LE CF CEV!ATf;N CC;URRED Valve M02-1501-3B Failure to Open 4/27/83 1700 g,., .,,m SY S TEM AFFECTED 1500 PLANT ST ATUS AT TIVE OF EVENT TESTING LPCI DESCRIPTICN OF EVENT MODE Run , P4R(MuT) 580 , LCAciMAE) 150 [

At 1700 "D" CCSW oumn was started in preparation for cumpinn down the torus. M02-1501-3B (heat exchanger discharge valve) failed to open. The valve was cracked off it s seat manually and then functioned normally.

10 CFR50.72 NRC RED PHONE @

NOTIFICATION MADE YES PO ECUIPVENT F AILURE D27455 YES NO R E SPON S I BL E SUPERVISOR W. Pietryga WORK REQUEST NO. ns TE 4/27/83 P ART 2 l OPER A TI NG ENGINEER' S CCMMENTS The valve and its control circuit will be exnmined. and corrective maintenance performed if necessary.

EVENT OF PUBL IC INTEREST 24. HOUR NRC NOTIFICATION REQ'D TECH. SPEC. VIOLATION TELEPH N/A REGION til DATE TIME l NON REPORTABLE OCCURRENCE TELEGM/TELECOPY y/3 0 14 DAY REPO R TA BL E/ T. S. REGION til DATE TIME 30 DAY REPORTABLE /T.S.

CECO CORPORATE NOTIFICATION MADE ANNUAL /SPECL REPORT REQ'O IF ABOVE NOTIFICATION IS PER 10CFR21 A.I.R. e

] S. DAY WRITTEN REPORT REQ'O PER 10CFR21 L.E.R. #83-35/03L-0 Telecopy axtqppc %nnie p c,11a 4/?R/R3 1140 CECO CORPORATE OFFICER DATE TIME PRELIMINARY REPORT John M. Almer 4/28/83 COMPLETED AND REVIE AED OPERATING ENGINEER AA _ DATE .1/ . .

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INVESTIGATED REPORT & RESOLUTION ACCEPTED BY STATION REVIEW [J f g f 3-m _. Ar livk ddp[

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RESOLeTIO~ APPROmo A~D AUTHORI ZED FOR DI STRIBUTION

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DkSA STATION SUPER TENDENT A

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Comm:nw:alth Edison Dr:sdin Nucitar PowIr Station R.R. # 1 Morris, Illinois 60450 Telephone 815/942-2920 May 25, 1983 DJS Ltr #83-517 James G. Keppler, Regional Administrator Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report #83-35/03L-0, Docket #050-237 is being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specification 6.6.B.2.(b), conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.

\N n D.J. Scott Station Superintendent Dresden Nuclear Power Station DJS/kjl Enclosure cc: Director of Inspection & Enforcement Director of Management Information & Program Control l U.S. NRC, Document Management Branch

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