Is-Isnot-福特G8D工具

HO10a-D4AnswerKey:D2ProblemDescriptionforFeltTipMarkerCasePROBLEMSOLVINGWORKSHEETProblemDescriptionforFeltTipMarkerProblemStatement:RedFeltTipMarkerLeaks(What’swrongwithwhat)ProblemDescriptionISISNOTGetInformation1.ObjectRedfelttipmarkerBlue/Black/GreenOthercolorfeltmarkers2.DefectLeaksTotallydry3.TipBarrel(side)Bottom(base)4.BothourplaceandnextdoorJustus/Justnextdoor5.Allotherplaces/customersNootherplaces/customers6.FirstSeenTwoweeksagoBeforetwoweeksago7.DailyJustsomedays8.ContinuingStopped9.LasttendailyshipmentsJustsomedailyshipments10.UponarrivalDevelopslater(onshelf)insupplyroom11.Allredfelttipmarkers(100)Justsomeredfelttipmarkers(lessthan100)12.AllshipmentsJustsomeshipments13.AlltenperdayLessthan10perday14.SlowdripSteadystreamPressurizedstreamHO10b-D4AnswerKey:D4ComparativeAnalysisforFeltTipMarkerCasePROBLEMSOLVINGWORKSHEETComparativeAnalysisforFeltTipMarkerDifferencesChangesDates1.RedPlastic1.RedInk1.StrawberryScentNewPlasticSupplierAddedPowder5Weeksago2Weeksago2.5Weeksago3.FeltMaterial3.SmallerDiameter3.ChiselTipShapeNewFeltSupplierNoChangeNoChange1Weekago6.NewOutsideSleevePackaging6.NewOutsideSleevePackaging2WeeksagoHO10c-D4AnswerKey:D4RootCauseTheoriesforFeltTipMarkerCasePROBLEMSOLVINGWORKSHEETRootCauseTheoriesforFeltTipMarkera.NewPlasticSupplier1.Plasticistooporous…inkleaksthrough2.Plasticreactswithinkcausingcracksb.NewOuterSleeve(NewColor)1.Squeezesfelttipmarkers…causescracksc.AddedPowder1.Changesviscosity2.Eatstheplastic3.Eatsthefelt…causingchannelingd.NewFeltSupplier1.Inkshortcircuitsaroundfelt2.Feltisnottightenough(inthebarrel)HO10d-D4AnswerKey:D4TrialRunofRootCauseTheoriesforFeltTipMarkerCasePROBLEMSOLVINGWORKSHEETTrialRunofRootCauseTheoriesforFeltTipMarkerTestforMostLikelyCause(+)(-)(?)a1.Plasticistooporous…inkleaksthroughc1.Addedpowderchangesviscositye.b.d.f.1.a1.-b.c1.+d.e.f.2.-+3.-+4.++5.++6.-+7.8.++++9.++10.++11.++12.++13.++14.-+HO14-D4G8DReportforBeamanCase(HAWK)TRIALRUNOFROOTCAUSETHEORIESRationalefor(-)and(?)ResponsesforFeltTipMarkerIS/ISNOT#ROOTCAUSETHEORY(a1.)Newplasticsuppliersuppliesplasticthatistooporousandinkleaksthrough1.(-)Sameplasticsupplierforallfelttipmarkerssothereshouldbeleaksinothercolorfelttipmarkers2.(-)Iftheplasticisporousshouldseeotherkindsofdefects(e.g.,cracks)3.(-)Iftheplasticisporousshouldseeleaksonthesideandbase,notjustthetip6.(-)Shouldhaveseenleakingfelttipmarkersandothertroublesfiveweeksagowhennewsupplierbegan14.(-)Iftheplasticisporousshouldseeasteadystreamofink