国航可靠性方案介绍

ReliabilityManagementIntroduceCCAReliabilityManagement2012-07-20Page：2ListCCAReliabilityProgramIntroduceBackgroundandPurposeofReliabilityCCAReliabilityManagement2012-07-20Page：3BackgroundandPurposeofReliabilityReliabilityOriginHT(HardTimeOverhaul)Reason：Earlyaircraft’scomponentsandsystemcouldnothaveredundancyassurancetechnic。Soanycomponentorsystemfaultmaymakeaircraftdangerous。View：componentandsystemworks——workgenerateswear——weargeneratesfault——faultendangersafety.Therewasnodifferencebetweensafetyandreliability。Method：HardTimeOverhaul。Theory：HTistheonlywaytokeepcomponentsandsysteminreliability.Continuousperiod：1930s——1960sCCAReliabilityManagement2012-07-20Page：4BackgroundandPurposeofReliabilityReliabilityOriginRCM(ReliabilityCenterMaintenance)developmentUAfirstlyquestioned“Doweknowthetheoryaboutaircraftmaintenance?”in1960.HTmethodmadeairlineunderenormouseconomicpressure,whichpromotedabiginnovationaboutmaintenancetheory.TheUnitedStatessetupaworkinggrouptoresearch,andtheyconcludedthatitisnonecessaryrelationshipbetweenreliabilityandoverhaulfrequencyin1960.CCAReliabilityManagement2012-07-20Page：5BackgroundandPurposeofReliabilityReliabilityOriginRCM(ReliabilityCenterMaintenance)developmentFAAandairlinetogetherdraftedMSG-1in1968.MSG-2wasmadein1970.MSG-2wasregardedasaRCMtheorybyallpeople.FAA、aircraftandengineOEM、airlinestogethermadetheMSG-3.ItmadetheRCMtheorybecomecommonwealthallovertheworldin1980.CCAReliabilityManagement2012-07-20Page：6BackgroundandPurposeofReliabilityRelationshipbetweenfaultrateandmaintenancetimeCCAReliabilityManagement2012-07-20Page：7BackgroundandPurposeofReliabilityExamplesforHTcomponentCCAReliabilityManagement2012-07-20Page：8BackgroundandPurposeofReliabilityReliabilityPurposeWhatisRCM？RCMtheoryisregardedasabaseSpecialanalysisfactorsaffectingreliabilityApplylogicrulestomakeadecisionPrefermaintenancemethodCCAReliabilityManagement2012-07-20Page：9BackgroundandPurposeofReliabilityReliabilityPurposeRCMpointsWearfaultisassociatedwithworkingtime，occasionalfaultisnotassociatedwithworkingtime.Thefaultofcomplicatedcomponentsisoccasional.Underredundancyassurancetechnic,onepartorsystemfaultmaynotaffectsafety.HTmethodgenerallycannotpreventoccasionalfault.Throughreliabilitymanagement，maintenanceworkcanbeimproved.CCAReliabilityManagement2012-07-20Page：10CCAReliabilityProgramIntroduceCCAR-121item368requiresthatcertificatecarriershouldsetupreliabilityprogramtocontinuousmonitorCAMPeffect.AC-121-54suppliesthe《reliabilityprogram》model.Whoneedsthereliabilityprogram？CCAReliabilityManagement2012-07-20Page：11CCAReliabilityProgramIntroduceCCAReliabilityManagement2012-07-20Page：12CCAReliabilityProgramIntroduceOperationalmodel:closedloopofoperationProfessionalcommitteesMaintenancebase/AmecoReliabilityManagementCommittee•Assessment•decisionmaking•controlReliabilityManagementCenter•Direction•Assess•Monitoring•decision-making•Executeactions•provideinformation•Collectdata•StatisticsandAnalysis•Publishreliabilityreport•OrganizereliabilityinvestigationandmonitorCCAReliabilityManagement2012-07-20Page：13CCAReliabilityProgramIntroduceReliabilityProgramCCAReliabilityManagement2012-07-20Page：14CCAReliabilityProgramIntroduceDatacollected&organizedinformatsuitableforanalysisTypeofdata:oPilotreports(PIREP's)oDelays/canceloFlightHoursoLayoveroComponentremovals/failuresoRepairReportsoSignificanteventsoLetterCheckReliabilityProgram---DatacollectionCCAReliabilityManagement2012-07-20Page：15CCAReliabilityProgramIntroduceDataissegregated,categorized,thenanalyzed.Resultsdisplayedinreports/charts.Displaysusedto:oComparecurrentexperiencetopastperformance,oIdentifyunacceptableperformance,adversetrends,significantevents.oDetermineeffectivenessofmaintenanceprograms.ReliabilityProgram---analysisCCAReliabilityManagement2012-07-20Page：16CCAReliabilityProgramIntroduceFleetmonitorDailyUtilizationAvailabilityRateDelay&CancelRatePilotReportRateSignificanteventComponentmonitorUnscheduledRemovalRateReliabilityProgram---analysisCCAReliabilityManagement2012-07-20Page：17CCAReliabilityProgramIntroduceEnginemonitorIn-FlightShutdownRateUnscheduledRemoveRateairplanemonitorRepeatFaultsDDStructuremonitorStructuralassessmentSignificantfaultinLetterCheckReliabilityProgram---analysisCCAReliabilityManagement2012-07-20Page：18CCAReliabilityProgramIntroduceMonitormethod1：UCLmonitorAppliedtoPilotReportRate/Delay&CancelRate/UnscheduledRemovalRateCCAapplyNormalDistributionModeltocalculateUCLReliabilityProgram---analysisCCAReliabilityManagement2012-07-20Page：19CCAReliabilityProgramIntroduceMonitormethod2：setuptargetAppliedtoDailyUtilization/AvailabilityRate(CCAsetupthetargetforAmecoeachyear)Monitormethod3:EventSignificanteventReliabilityProgram---analysisCCAReliabilityManagement2012-07-20Page：20CCAReliabilityProgramIntroduceEngineeringinvestigationof:ounacceptableperformanceoadversetrendsosignificanteventsoRepeatfaultsInvestigationintendedtodeterminerootcauses,identifypotentialcorrectiveactionReliabilityProgram---