新航排故秘籍文档格式.docx
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FltDeckZoneTrimAirValveorFltDeckZoneTempSensor.
4.Whathappenswhenequipmentcoolingfails?
Gndcrewwarninghornwillsound,EICASmsg“EQUIPCOOLING”andGndExhaustValvewillclose.
5.Incaseoffireinairorongnd,whathappenstotheequipmentcooling?
6.Whatarethecausesforequipmentcoolingfailure?
E/Eairsupplyovertemp(overheatswitchtemp>
145F),Fltdecklowflow,E/Elowflow,SmokeDetector,GndExhaustv/voutofposition,andanyfailureofE/Ecoolingairexhaustfan,Inboardexhaustv/vandBypassv/v.
7.F/Owhiledoinghispre-departureWACfoundthattheGndExhaustValveisinthe“CLOSED”position;
howevertherewasn’tanygndcrewhorn.Whatisthelikelyscenario?
8.Whatarethemodesofequipmentcooling,anyspecialones?
NORM,STBYandOVERRIDEmodes.
9.Whatisthepurposeofcabinpressurization,andhowdoesitcontrolsthesetambientpressure?
WhatistheSTDcabinpressuresetat?
Pressurizationoftheaircraftistomaintainasafeandcomfortablecabinpressurebycontrollingthesizeoftheopeningswhereairleavesthecabin.Theairleavesthrutwooutflowvalveswhicharedrivenmoreopentodecreasecabinpressureormoreclosedtoincreasecabinpressure.TheCPCSlimitstherateofchangeofcabinpressureandcontrolsthecabin-to-ambientpressuredifferential.TheSTDcabinpressureisusuallysetataround8500ft.
10.Whatarethedangersofoverpressurization,isthereanyprotectiontocounterthesesituation?
Whatshouldyoudoafterthat?
Afteranoverpressureconditionhasbeenrelievedthevalvegateclosesbuttheblowoutdoorswillremainopentoprovideapositivevisualindicationthatanoverpressureconditionhasoccurred.
Ifaboveconditionexists,refertoPAGEBLOCK05-51-27/201andcarryoutconditionalinspectionprocedureforCabinOverpressurizationevent.
11.Pilotcomplainsheisunabletomaintaincabinpressureusingtwopacks;
theotherpackwasu/sandlockedout.Whatshouldyoudonow?
InterrogatetheCMCforExistingFaultsonChap.21-CabinPressureandrectifyanyfaultsfound.IftherearenofaultsregisteredthenrefertoPAGEBLOCK05-51-08/201andcarryoutconditionalinspectionprocedureforExcessiveCabinPressureLeakageCondition.
12.Whatkindofprotectiondoestheaircrafthaveagainstotherabnormalpressurizationcondition?
Chapter22-Autoflight
13.HowdoAFDShelpstheaircrafttomaintainSLF?
DoesitusethePrimaryorSecondaryflightcontrols?
14.WhataretheinputstoA/PandwhatarethedifferentmodesofA/P?
FMC,IRU,ADC,LRRA,GPWC,PrimaryAir/GndRelay,FCU,Loc&
G/Santenna,ILS,BCU,HYDIM,Go-AroundSwitchandCMC.
Thedifferentmodesare:
A/T,MachTrim,YawDamperSystem,SpeedTrim&
AutomaticStabilizerTrimSystem.
15.PilotcomplainsthattheairplanewasporpoisingthroughouttheflightwithanyA/PinCMD,whatshouldyoudo?
YoushouldperformElevatorControlSystem–Adjustment/Test(AMMPAGEBLOCK27-31-00/501).
16.CanyouengageanyoftheA/PmodesonGnd,whichmodeisit?
17.WhatcancausetheA/Ptodropoff(disengage)?
∙FailureofADC,LRRAandILS
∙Anelevatororaileronservocamoutmonitorwastripped
∙Anautomaticstabilizertrimfailurewhentheservosareengaged
∙A/PinflaremodewithonlyonechannelengagedinCMDmode
∙LocalinnerloopdatainvalidintheF/Dmode
∙ALTholdoroverridemodecannotbeengagedwithin4secs
∙ADCinnerloopsignalsinvalidfor4secs
∙SelftestfailuresoccurinILSorRAreceivers
∙Manualdisconnectionbypilot
18.HowdoestheA/Pcommandflowsfromthecockpittoandflowtheflightcontrols?
MCP–FCC–ServoActuators–positionfeedbacks–cockpit.
19.Whatmodedoesourfreighteruses,SpeedorMachtrim,whatisthedifference?
MachTrimmodesareemployedinallfreighters.ThemaindifferenceistheSpeedtrimprovidesamuchsmoothertransitionwithnewspeedchanges.
20.WhathappensinDutchRollorSideSlipconditions?
21.Aftera/clanded,Captainnotesthatairplanebankanglewaslimitedto8degreesinRollwithanyA/PinCMD.Whatshouldyoudo?
PerformLRRASelf-Test/BITEProcedure(34-33FAULTTRESSFigure103,Block1).Iftheproblemcontinues,dotheradioantennaandcoaxcheck(AMMPAGEBLOCK34-33-03/401).Ifthestillpersists,replacetheselectedFlightControlComputer(AMMPAGEBLOCK22-11-01/401).
22.CanyoudoA/Ptestonground?
YesyoucancarryoutAutolandUnique,AileronServo,ElevatorServoandRudderServointeractivetestonground.
23.Pilotcomplains,A/Prefusetoengageinflightafterdropout,everythingelsenormal,whatarethelikelycauses?
ItcouldbeMCPfault,A/PDisconnectswitchoncontrolcolumnstuckorFCCfail.Inremotesituationthere-syncofFMCordisagreementofFMCcancausethistoo.
24.Duringroll-out(take-off),A/Tsuddenlydisconnected,whatisthelikelycause?
EECindegradedmodeortheN2SpeedcardofaparticularenginefailsduringRoll-OutwhichcausestheEECtodegradetoALTNmode.A/TisnotavailableinALTN(N1)mode;
thereforeifoneengineisinALTNallotherserviceableengineshavetobeselectedtoALTN(N1)mode.AirplaneiddispatchedusingtheappropriateperformancedatafortheAlternateEECModeOperation.
25.PilotscomplainThrottleleversdonotmovetogetherduringA/Toperation,whatshouldyoudo?
PerformThrustLeverAssemblyAdjustment(AMMPAGEBLOCK76-11-01/501).Iftheproblemcontinues,replacetheA/Tbrakeshaftassembly(AMMPAGEBLOCK76-11-05/401).
Chapter23-Communications
26.Whatisthepurposeofstaticdischargers?
Staticdischargersareinstalledontheairplanetoreduceradiointerference.Thisinterferenceiscausedbyacoronadischargeemittedfromtheairplanesurfaceasaresultofprecipitationstaticandenginecharging.
27.WherecanyoufindtheSELCALcodes?
ItisplacedontheF/OsidebelowtheND.Itisafourlettercodeuniquetothisaircraft.
28.SELCALdefectandyouhavejustreplacedtheitem,howdoyoutesttheSELCALoperationally?
TuneyourradiotoaknownradiostationeitherusingtheVHForHFsystem.RequestSELCALcodesforyouraircraftandlistenforthetwotonechimeandthe“Call”lightonallaudiocontrolpanels.
29.CaptainnotedtheSELCALcallsdonotsoundthechimebuttheCalllightdidilluminates,whatcouldbetheproblem?
WhatiftheSELCALcallsdonotilluminateCallLight?
IftheSELCALcallsdon’tsoundthenitislikelythattheCrewAlertingCard(AMM31-51-02/401)inMAWEAattherighthandcrawl-wayisfaulty.IftheSELCALcallsdon’tlightthenitisprobablytheSELCALdecoder(AMM23-28-02/401).
30.HowdoestheACARStransmit,canwedoaninteractivetesttomakesureitworks?
ACARSistransmittedusingtheVHF-C,HFortheSATCOM.YoucankeyinatestreportandsendittoOCCorrequestWxrReportfromCAAC.
31.WhereisthefixedELTlocatedandhowdoyouknowifit’sreallyworking?
Ans?
ThefixedELTislocatedinbetweenthemainsidecargodoorandD5Rontheceilingtop.Youcandoamanual“ON”testwithsomeoneincockpittolistenoutforthedistresssignalwhenswitch“ON”.Alternatively,youcanputitin“ARM”positionandvigorouslyshaketheELTtoactivatetheG-switch,whichwilltransmitthedistresssignal.
32.PilotcomplainstheSATCOMsignalstrengthisveryweak,wheredoyoulook?
CheckExistingfaultsforChap23–SATCOMandrectifyanyfaultsfound.Iftherearenoexistingfaults,doaninspectionoftheSATCOMantennaanditsconnectors.
33.HowmanychannelsarethereforSATCOM?
Thereare6channelsforSATCOM,1forCapt,1forF/O,2fordataand2forpassengers.
34.PilotcomplainHFnotworking,afterresettingCBmessagegoesaway,howdoyouconvincehimtotaketheaircraft?
TunetoaknownradiostationthenclockthetimerequiredfortheCouplertotunetothestation.Makesureitislessthan15secs.Afterthatestablishcallwiththestationandcheckthereceptiononbothsides.
35.WhendoestheCVRworksandwhendoesitshutdown?
TheCVRstartsrecordingwhenanyengineisstartedanditstopsworkingwhenthelastengineisshutdownplus5minutes.
36.HowdoyoutestthefourCVRchannels?
Plugheadsetintothecontrolpanel,thenswitchitfrom“AUTO”to“ON”.PresstheTestbuttonandmakesureyoucanseetheneedlemovesanda600hztone.Afterthat,talkintotheareamicandmakesureyoucanbeheard.FollowthatplugintotheCaptain,F/OandFirstObserverheadsetjackandmakesureyoucanhearyourownvoicewhenestablishingacall.
Chapter24–ElectricalPower
37.Describeasimplepowerdistribution.
38.WhatisthepriorityofACpoweronGnd?
Ifenginesarestarted,ENG–Extpower–APU.
39.Canlikesourcepowerbeparallel,howaboutunlikesources?
OnlyEnginespowercanbeparalleltogether,therestofthepowersourcescannotbeparallel.
40.Pilotexperiencemomentarilypowerinterruptionwhenheswitchestodifferentpowersources,whatcanbethecause?
A