ML18031A072

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Confirms 790109 Rept Re Deficient Termination Module Connectors Plugs & non-safety Related Cables.Forwards Suppl Rept
ML18031A072
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 01/15/1979
From: CURTIS N W
PENNSYLVANIA POWER & LIGHT CO.
To: GRIER B H
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18031A073 List:
References
NUDOCS 7901230189
Download: ML18031A072 (3)


Text

PEG!)LA,'"YI~fF<)~'.<ATI<)'f!)ISTRIPIJTI(P'SF.'-<(BIDS)KCCf-:SS()Nl13P:79')1230189D()C.DAT:79/01/15if()TAPI7.".D:-,"l()FACIL:~)iJ+f<A"ff'lAirI,Pf=.i~fi'fSYLV(lIAP<)'(ii=.P8,LIGHTC().50-388'OUF,1<?fVAic2~P~ldNSYLVANIAP<)'I'if-:B>IIG'3TC<).AiJ.i'i~'AUT'l()RAFFILIATI()AC<f'ITIS,~i.'ri.PAP",fR8,LIGHTDECI@.1A~~PECIPIENTAFFILIATI()ifGRIEF,B.li.**BEG.1,PHIL.,()FFICF.()FTHF.DIRECT()BSlf.'3JECT:Confirma790109PPLT.ept~ecJefdcienttermination~o~iileconnectorpl>>qs8,non-safetyrelate<icehles.For'Ie~dssiioplZ.aOt,D()C1(".T405000387>050003ei3DISPIBUTIONCODE:BO19SCOPIFSIIFCEIVFDLLTIIgEI<CLgSI7.'=i~~TITLFC()ifSTBJCTI()MDEFICIEliCY~EP()BT(10CFB50~55f:)~ACTI()"~:RECIPI1=i'lTIDC()DF/'"Bi'<"14a.<njINEA20LACAJSf&31!0TES:Sdflf~~<KagymEp~g+A.Z~4eaZmC()PIESRECIPIENTC()PIf=SLTTfkEiMCLID()DF/f48><F.LWf)~"!Cf11153CLA)lfW3111I21ADP]$5+gl.LO11Ii'fTE.'>,"fALFI10508"PA10OA312J()BOA!4,E/IE16ADF()RFliGR17Al)BEACSFTY22OIBDP.~l11221111II1I1II02f'fhCPDB07EO()8,STAFF09D.".PYOIRDP'f11STAYDBDSDEV13FIELDC<)()R/IE17A3PlANTSYS19ADSYS/PB()J23()EI.Of-:XTE'1!fAI:03LPDB24iClfS1104BASIC1616T<)-,(.Lifij,',lBEB()}-C()PIESBEG!JIBI=3;LTTB39i:NCL39 PP8.ILTWONORTHNINTHSTREET,ALLENTOWN,PA.18101PHONE:(215)821-5151NORMANtier.CURTISVicePresidentEngineering&Construction821.538IJanuary15,1979Mr.BoyceH.GrierDirector,RoonIU.S.NuclearRegulatoryCcmLission631ParkAvenueKingofPrussia,Pennsylvania17406SUSQUEHANNASTFDMELECTRICSTATIONSUPPLEMENTALINFO%'LWIONKQIbŽ~ER3MREPORPOFFABRICATIONDEGAGEK)WIRINGONTr&~IONYDDULECONNECTORSFORACREQUIPMEVZPLA301tN~~ER14'OCKETNO.:50-397LICENSENO.:CPPR-101~ZR100450FILE840-4PLA-313

Dear1th.Grier:

ThiswillservetoconfirmPPGL'sreportof1/9/79(A.R.Sabol,PPGLtoKCReactorInspector,A.Finkel)whichconveyedsupplementalinformationrelativetothesubjectinterimreport.Theinitialreportadvisedthatthedeficiency,whichwaspeculiartoterTILinationmoduleconnectorplugs,wasunderfurtherinvestigation.Sub-sec{uently,duringtheprocessofsho2~ningPGCCcables,itwasratedthatahighpercentage(approximately30%)ofnon-safetyrelatedcablesalsoedubitedcutsandnickssimilartothosereportedfortheT-modules.ThesePGCCcables,whichwerealsosuppliedbyG.E.,areusedtointerconnecttheACRpanelsardtheterininationcabinets.ISpecifically,thedeficientconditionsnoteddurirgtheprocessofshorteningthePGCCcablesincludedthefollowing:oConductorinsulationnickedordamagedoWiresnotproperlyinstalledorcrimpedintheconnectorpinsoImproper.soldering(thisinvolvescarryingthecableshieldthroughtheconnectorplugsviaaconnectorpin)PE('ULrt)anyp~VBOi830(f7PENNSYLVANIAPOWER&LIGHTCOMPANYgo' Mr.BoyceH.GrierJanuary15,1979Cableshorteningofsafety-relatedcableshasnotyetstartedandthereisnoabsoluteevidencethattheyaresoaffected;however,duetoproblemsidentifiedforthehighpercentageofnon-safetyrelatedcables,theconditionisbeingprojectedasgenicand,therefore,potentiallyreportableunder10CFR50.55(e).ThecorditionsrelativetoPGCCcablehavebeen'identifiedbyBechtelandarebeingcontrolledunderNCR-3231eventhoughthedeficienciesconcernnon-safetyrelatedcircuits.BechtelhasalsodocumentedtheconditionsinitsIMPAR 29(attached)andaJanuary2,1979,supplementthereto.Youwillbeadvisedoffurtherdevelopaentsastheyoccur.Verytrulyyours,N.N.CurtisVicePresident-Engineering6ConstructionARS:rnbce:Yir.J.G.Davis(15)ActingDirectorWfficeof,InspectionGEnforcementU.S.NuclearRegulatoryCmmnissionwashington,D.C.20555)>W.G.McDonald,Director(1)OfficeofManagementInformationsProgramControlU.S.NuclearRegulatoryCanmissionWashington,D.C.20555Mr.RobertM.Gallo(1)U.S.NuclearRegulatoryCarznissionP.O.Box52Shickshiriny,Pennsylvania18655