a320i航空股份工程技術(shù)維修管理部編制

中文標(biāo)題:第2級(jí)高壓渦輪葉片和管道部分的內(nèi)窺鏡檢查（左發(fā)第1 BorescopeInspectionoftheStage2HPTBladesandDuct工作區(qū)域編寫/修訂Edited日期B工種額定工時(shí)MPD審核Examined日期版本實(shí)際工時(shí)Real批準(zhǔn)Approved日期AMM720000-200-015-AUG<---工具信息牌 數(shù)Torquewrench:rangetobetween62.00and900.00lbf.in(0.70and10.00m.daN)PULLER,BORESCOPE-RIGHTANGLE,COVER-ST1140-<---材料信息牌數(shù)V10-anti-V10-anti-V02-

USAMIL-L-23699lubricantcorrosionresistant

第21工作任務(wù)**ONA/C451-509,511-650,701-72-00-00-200-015-**ONA/C451-509,511-650,701-800TASK72-00-00-200-015-BBorescopeInspectionoftheStage2HPTBladesandDuctSegmentsCAUTION:THELIMITSWHICHFOLLOWAREAPPLICABLEONACONTINUEINSERVICEBASISONLY.EACHLIMITISBASEDONWHATTHESTRUCTUREOFTHEBLADEMUSTBEANDDOESNOTINDICATETHATTHEREWILLNOTBEDETERIORATIONOFTHEENGINEPERFORMANCE,STABILITY,OPERATINGLIMITSORPARTNOTE:IfdamageisnotlistedcontactyourIAE2工作準(zhǔn)備信息JobSet-up參 數(shù) 名無規(guī) BORESCOPE-RIGHTANGLE,無規(guī) 護(hù)眼無規(guī) 警告無規(guī) 扭力扳手:范圍62.00and900.00(0.70and10.00(IAE1P16184) PULLER,A.Fixtures,Tools,TestandSupport QTYNo ARBORESCOPE-RIGHTANGLE,No ARCOVER-No ARWARNINGNo Torquewrench:rangetobetween62.00900.00lbf.in(0.70and10.00(IAE1P16184)1PULLER,B. 第3參 名V02- corrosionresistantsteelV10- lubricant(engineV10- anti-seizeV10- anti-seizeB.Consumable V02- corrosionresistantsteelV10- lubricant(engineV10- anti-seizeV10- anti-seizeC. 項(xiàng)目名 IPC- 密封墊,選 45-00-80-C.Expendable IPC- gasket, 45-00-80-D.參 名71-13-00-010-010-A71-13-00-410-010-A 檢 檢78-30-00-040-012-A進(jìn) 控制組件(HCU)78-30-00-440-012-A 控制組件可用(HCU)78-32-00-410-010-ACrankPadLocationSHEET1Stage2HPTBladeInspectionAreasSHEET1Stage2HPTbladeinspectionAreasSHEETHPTurbineBorescopeLocationsforInspectionoftheStage2HPTBlades(LeftSide)SHEET1HPTurbineBorescopePortsforInspectionoftheStage2HPT(RightSide)SHEET 第4BorescopePortsSHEETHPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1Stage2HPTBladeInspectionAreasSHEET1Stage2HPTDuctSegmentInspectionLocationsSHEETD.Referenced 70-23-11-911-013-AGeneralTorqueTightening71-13-00-010-010-AOpeningoftheFanCowls71-13-00-410-010-AClosingoftheFanCowls72-00-00-080-010-ARemovaloftheRotatorKitforBorescope72-00-00-480-010-AInstallationoftheRotatorKitforBorescopeInspection78-30-00-040-012-ADeactivationoftheThrustReverserHydraulicControlUnit(HCU)4101KSforGround78-30-00-440-012-ARe-activationoftheThrustReverserHydraulicControlUnit(HCU)4101KSafterGroundMaintenance78-32-00-010-010-AOpeningoftheThrustReverserHalves78-32-00-410-010-AClosingoftheThrustReverserHalvesCrankPadLocationSHEET1Stage2HPTBladeInspectionAreasSHEET1Stage2HPTbladeinspectionAreasSHEETHPTurbineBorescopeLocationsforInspectionoftheStage2HPTBlades(LeftSide)SHEET1HPTurbineBorescopePortsforInspectionoftheStage2HPTBlades(RightSide)SHEET1BorescopePortsSHEETHPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1Stage2HPTBladeInspectionAreasSHEET1Stage2HPTDuctSegmentInspectionLocationsSHEET3工作準(zhǔn)備JobSet-72-00-00-941-091-A.在的ENG面板115VU上在頂部面板50VU上確保ENG/FADECGNDPWR/1(2)按鈕電門的ONSubtask72-00-00-941-091- 第5A.SafetyOnthecenterpedestal,ontheENGpanelPutawarningnoticetolsnottostarttheMakesurethattheengine1(2)shutdownoccurrednotlessthan5minutesbeforeyoudothisprocedure.OntheoverheadmaintenancepanelMakesurethattheONlegendoftheENG/FADECGNDPWR/1(2)pushbuttonswitchisoff.PutawarningnoticetolsnottoenergizetheFADEC72-00-00-010-119-B.71-13-00-010-1000EM1(ENGINE-1)437AL438AR.1000EM2(ENGINE-2)447AL448AR.Subtask72-00-00-010-119-B.Openthefancowls(Ref.TASK71-13-00-010-FOR1000EM1(ENGINE-1)437AL438AR.FOR1000EM2(ENGINE-2)447AL448AR.72-00-00-040-078-C.解除反推控制組 TASK78-30-00-040-012)。Subtask72-00-00-040-078-AC.DeactivatethethrustWARNING:THETHRUSTREVERSERHYDRAULICCONTROLUNIT(HCU)MUSTBEDEACTIVATEDBEFOREWORKINGONORAROUNDTHETHRUSTREVERSER.FAILURETODEACTIVATETHEHCUCANRESULTININADVERTENTTHRUSTREVERSEROPERATIONANDINJURYTONELAND/ORDAMAGETO(1)Deactivatethethrustreverserhydrauliccontrolunit(HCU)(Ref.TASK78-30-00-040-012).72-00-00-010-127-D.TASK78-32-00-010-451AL452AR 第6(2)1000EM2(ENGINE-2)461AL462AR.Subtask72-00-00-010-127-D.Openthethrustreverserhalves(Ref.TASK78-32-00-010-FOR1000EM1(ENGINE-1)451AL452AR.FOR1000EM2(ENGINE-2)461AL462AR.72-00-00-480-065-(Ref.Fig.CrankPadLocationSHEET1)(參考.TASK72-00-00-480-010)和Subtask72-00-00-480-065-E.Installthefootoperatedmotordriveunittothegearboxcrankpad(1)(Ref.Fig.CrankPadLocationSHEET1)(Ref.TASK72-00-00-480-NOTE:Withthisunittherotorcanbeturned360degreestopermitcompleteinspection.4工作 72-00-00-290-075-A.(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET1)(Ref.Fig.Stage2HPTbladeinspectionAreasSHEET1)Subtask72-00-00-290-075-A.CAUTION:THEENGINEISHOTIMMEDIAYAFTERSHUTDOWNANDCANBURNSANDDAMAGETOTHEBORESCOPEEQUIPMENT.WAIT2-3 第7AFTERSHUTDOWNBEFOREYOUDOABORESCOPEThenamesofthedifferentparts,areasanddimensionalreferencesoftheStage2HPTbladesareshown.(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET1)(Ref.Fig.Stage2HPTbladeinspectionAreasSHEETUsethenameswhichfollowwhenyouidentifyabladeconditionseenduringborescopeinspection:Erosion:AsmoothareaatthetipthatshowsmaterialisLeadingEdgeBurn-Through:Aholeintheleadingedgeopentothecoolingairpassage.Burns:Alocalareathatisrough,nottheinitialcolor,orwherethereisnomaterial.Nickordent:Adamageareathatcanbesmooth,havecracks,aholethatisopentothecoolingairpassagesorhaveholesandcracks.Coatingdamage:Chip,flaking,blistering,peelingoroxidationofbladeconfinedtocoating.72-00-00-010-120-B.T1/2LT1/2RT2/3LT2/3RHPT第2(Ref.Fig.HPTurbineBorescopeLocationsforInspectionoftheStage2HPTBlades(LeftSide)SHEET1)(Ref.Fig.HPTurbineBorescopePortsforInspectionoftheStage2HPTBlades(RightSide)SHEET1)(Ref.Fig.BorescopePortsSHEET拆下T1/2LT1/2R安裝PULLER,KNOCKER(IAE1P16184)拆下T2/3LT2/3RWARNING:MAKESURETHATTHEBLANKINGPLUGISSUFFICIENTLYCOOL 第8THETEMPERATURESTAYSHIGHFORASHORTTIMEAFTERENGINECAUTION:MAKESURETHATTHESLEEVEFLANGEDBUSHINGDOESNOTFALLOUT.IFTHEPARTFALLSITWILLBEDAMAGED.B.GetaccesstotheStage2HPTbladesthroughtheT1/2LorT1/2RorT2/3LorT2/3Rports(Ref.Fig.HPTurbineBorescopeLocationsforInspectionoftheStage2HPTBlades(LeftSide)SHEET1)(Ref.Fig.HPTurbineBorescopePortsforInspectionoftheStage2HPTBlades(RightSide)SHEET1)(Ref.Fig.BorescopePortsSHEETNOTE:Ifyouremovetheblankingplugsatbothlocations,youwillbeabletoexaminetheleadingandtrailingedges.RemovetheT1/2LorT1/2RaccessReleasethewirethatsafetiestheRemovetheInstallthePULLER,KNOCKER(IAE1P16184)tothecenterholeoftheplug.UsethepullertoremovetheblankingplugfromtheRemovethegasketfromtheplugandtheplugfromtheRemovetheT2/3LorT2/3RaccessReleasethewirethatsafetiestheRemovetheRemovetheblankingplugandspacerNOTE:Donotchangethespacertesastheyareadjustedtotherelatedblankingplug.Removethesleeveflanged72-00-00-290-076-(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET通過T1/2L或T1/2R口放入剛性儀(Ref.Fig.HPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1)(Ref.Fig.HPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1)通過T2/3L或T2/3R口放入剛性儀(Ref.Fig.HPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1) 第9Subtask72-00-00-290-076-C.DoaborescopeinspectionoftheStage2HPTblades(Ref.Fig.Stage2HPTBladeInspectionAreasSHEETNOTE:AeyecoverontheeyethatisnotusedwilldecreaseeyePutarigidborescopethroughtheT1/2LorT1/2Rport.(Ref.Fig.HPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1)ExaminethebladesforPutaflexibleborescopethroughtheT1/2LorT1/2Rport.(Ref.Fig.HPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1)Examinethebladesfordamageontheconcaveandconvexsidesfromtheleadingedgerearward.PutarigidborescopethroughtheT2/3LorT2/3R(Ref.Fig.HPandLPTurbinePortsforInspectionoftheStage2HPTBladesSHEET1)Examinethebladesfor72-00-00-220-102-(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET軸向長(zhǎng)度小于0.15in.(3.81mm)和/或徑向長(zhǎng)度小于0.180in(4.57mm加孔或帶裂紋的孔的總軸向長(zhǎng)度小于0.1in.(2.54mm)和/或徑向長(zhǎng)度小于0.180in.(4.57mm)。在區(qū)域B或區(qū)域C上的孔軸向長(zhǎng)度小于0.04in.(1.01mm)和徑向長(zhǎng)度小于0.05in.(1.27mm)。軸向長(zhǎng)度小于0.120in.(3.05mm)和/或徑向長(zhǎng)度小于0.140in(3.55mm在0.150和0.200in.(3,81和5.08mm)之間和/或徑向長(zhǎng)度在0.1800.450in.4,57211,430mm在0.150和0.250in.(3,81和6.35mm)之間和/或徑向長(zhǎng)度在0.1800.450in.4,572and11.43mma(b)(c) 第10(f)B或區(qū)域C上的孔軸向長(zhǎng)度在0.04in.(1.01mm)0.08in.(2.03mm)之間和/或徑向長(zhǎng)度在0.050in.1.27mm)0.1in.(2.54mm大于0.120in.(3.05mm)和/或徑向長(zhǎng)度大于0.140in.(3.55mm大于0.20in.(5.08mm)和/或徑向長(zhǎng)度大于0.360in.(9.14mm大于0.25in.(6.35mm)和/或徑向長(zhǎng)度大于0.450in.(11.43mm)a(b)(c)在區(qū)域A,BC上的孔軸向長(zhǎng)度大于0.08in.(2.03徑向長(zhǎng)度大于0.1in.(2.54mm)Subtask72-00-00-220-102-D.Nicks,dentsandholesontheairfoilofthestage2HPTblades(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET1)(1)Acceptwithaninspectioneach600hours(a)ThenickordentisinareaBorChascracksandthetotallengthofthenickordentplusthecrackislessthan0.15in.(3.81mm)longaxiallyand/orlessthan0.180in.(4.57mm)longThenickordentisinareaBorC,hasaholeoraholewithcracksandthetotallengthofthenickordentplustheholeorholewithacrackislessthan0.1in.(2.54mm)longaxiallyand/orlessthan0.180in.(4.57mm)longradially.TheholeisinareaBorCandislessthan0.04in.(1.01mm)longaxiallyandlessthan0.05in.(1.27mm)longradially.(2)Acceptwithaninspectioneach300hours(a)ThenickordentisinareaA,hascracksandthetotallengthofthenickordentplusthecrackislessthan0.120in.(3.05mm)longaxiallyand/orless0.140in.(3.55mm)long(b)ThenickordentisinareaB,hascracksandthe 第11lengthofthenickordentplusthecrackis0.150and0.200in.(3,81and5.08mm)longaxiallyand/orbetween0.180and0.450in.(4,572and11,430mm)long(c)ThenickordentisinareaC,hascracksandthetotallengthofthenickordentplusthecrackisbetween0.150and0.250in.(3,81and6.35mm)longaxiallyand/orbetween0.180in.and0.450in.(4,572and11.43mm)longThenickordenthasaholeoraholewithcracksatthelimitsgiveninsteps(a),(b)and(c)above.ThenickordentisinareaTheholeisinareaBorareaCisbetween0.04in.(1.01mm)and0.08in.(2.03mm)longaxiallyand/orisbetween0.050in.(1.27mm)and0.1in.(2.54mm)long(3)Removetheengineinlessthan10cycles(a)ThenickordentisinareaA,hascracksandthetotallengthofthenickordentplusthecrackismorethan0.120in.(3.05mm)longaxiallyand/ormore0.140in.(3.55mm)long(b)ThenickordentisinareaB,hascracksandthetotallengthofthenickordentplusthecrackismorethan0.20in.(5.08mm)longaxiallyand/ormore0.360in.(9.14mm)long(c)ThenickordentisinareaC,hascracksandthetotallengthofthenickordentplusthecrackismorethan0.25in.(6.35mm)longaxiallyand/ormore0.450in.(11.43mm)longThenickordenthasaholeoraholewithcracksatthelimitsgiveninsteps(a),(b)and(c)above.ThenickordentisinareaD.wheretherearesignsofburns,tornmetalorcracks.ThenickordentisonthetrailingedgeoftheairfoilinareaD.TheholeisinareasA,BorCandislarger0.08in.(2.03mm)axiallyand/or0.1in.(2.54mm)TheholeisinareaThereismorethanoneNOTE:Manufacturersholesarenot72-00-00-220-103-(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET 第12腐蝕或燒傷在區(qū)域C葉形后緣和軸向長(zhǎng)度大于0.100in.(2.54mm)或徑向長(zhǎng)度大于0.2in.(5.08mm)。腐蝕或燒傷在區(qū)域C葉形后緣軸向長(zhǎng)度大于0.25in(6.35mm)腐蝕或燒傷在區(qū)域D葉形后緣徑向長(zhǎng)度大于0.05in(1.27mm)在平臺(tái)上的燒傷增加與葉片平臺(tái)間的間隙大于0.05in.(1.27mm)Subtask72-00-00-220-103-E.ErosionorburnsontheairfoilortformoftheStage2HPT(Ref.Fig.Stage2HPTBladeInspectionAreasSHEETAcceptwithaninspectioneach600hoursTheerosionorburnisontheairfoiltrailingedgeinareaTheerosionorburnisontheairfoiltrailingedgeinareaCandislongerthan0.100in.(2.54mm)axiallyor0.2in.(5.08mm)Theerosionorburnisontheleadingedgeandextendsmorethanone-quarteroftheairfoilradiallength.Theerosionorburnontheleadingedgehaschangedtheshapeoftheairfoil.Theerosionorburnontheairfoilorthetformhasgonethroughthecoating.Thisdoesnotincludeburnsontheleadingedge.Removetheengineinlessthan10cyclesTheerosionorburnisontheairfoiltrailingedgeinareaCandismorethan0.25in.(6.35mm)longaxially.TheerosionorburnisontheairfoiltrailingedgeinareaDandismorethan0.05in.(1.27mm)longradially.Theerosionorburnhasanadjacentareawhichshowssignsofcracks.Theerosionorburnontheairfoilortformpermitsinternalareastoshow.Theinternalareasarewheretheairgoesthatisusedtocooltheblade.Theburnontheairfoilortformchangestheshapetheairfoil.Thisdoesnotincludeburnsontheleading 第13Theburnonthe tformincreasesthegapwiththeadjacentblade tformtomorethan0.05in.(1.27mm)Theburnon tformgoesintotheairfoilfillet72-00-00-220-104-(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET在區(qū)域C的后緣裂紋任何方向長(zhǎng)度小于0.25in.(6.35mm徑向長(zhǎng)度小于0.180in.(4.57mm)。在區(qū)域A的裂紋軸向長(zhǎng)度小于0.08in.(2.03mm)和/或徑向長(zhǎng)度小于0.140in.(3.55mm)。區(qū)域B的裂紋軸向長(zhǎng)度在0.0800.140in.(2,033,56mm)之間，和/或徑向長(zhǎng)度在0.180到0.360in.(4,572到9,144mm)之間。區(qū)域C的裂紋軸向長(zhǎng)度在0.0800.610in2,0315.494mm)之間，和/或徑向長(zhǎng)度在0.180到0.360in.(4,572到9.144mm)之間。在區(qū)域C的軸向裂紋長(zhǎng)約0.610in.(15.494mm)0.8in.(20.320mm)長(zhǎng)，必須在尾緣外面，軸向裂紋在上至0.450(11,430mm)徑向長(zhǎng)度。區(qū)域C0.8in(20.320mm0.450in(11.43mm后緣的裂紋在區(qū)域C和長(zhǎng)度大于0.03in.(0.76mm區(qū)域A0.08in.(2.03mm0.140in(3.55mm(e)B0.140in(3,56mm0.360in(9.14mmSubtask72-00-00-220-104-AF.CracksontheairfoiloftheStage2HPTblades(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET1)(1)Acceptwithaninspectioneach600hours(a)ThetrailingedgecrackisinareaCandisless0.25in.(6.35mm)longinany(b)ThecrackisinareaBorareaCandisless 第140.080in.(2.03mm)longaxiallyand/orless0.180in.(4.57mm)longNOTE:Axialtipcracksmayhavethepotentialofreleasingthebladetip,whichmaycauseminorgaspathdownstreamdamage.Acceptwithaninspectioneach300hoursThecrackisinareaAandislessthan0.08in.(2.03mm)longaxiallyand/orlessthan0.140in.(3.55mm)longradially.ThecrackisinareaBandisbetween0.080and0.140in.(2,03and3,56mm)longaxiallyand/orbetween0.180and0.360in.(4,572and9,144mm)long(c)ThecrackisinareaCandisbetween0.080in.(2.03mm)and0.610in.(15.494mm)longaxiallyand/orbetween0.180in.(4.572mm)and0.360in.(9.144mm)longradially.NOTE:Axialtipcracksmayhavethepotentialofreleasingthebladetip,whichmaycauseminorgaspathdownstreamdamage.Acceptwithaninspectioneach150hoursTheaxialcrackinareaCislongerthan0.610in.(15.494mm)andupto0.8in.(20.320mm)longandmustbeoutsideofthetrailingedgeslots.Theaxialcrackcanhaveupto0.450in.(11.430mm)radialNOTE:Axialtipcracksmayhavethepotentialofreleasingthebladetip,whichmaycauseminorgaspathdownstreamdamage.Removetheengineinlessthan30ThecrackisinareaCandismorethan0.8in.(20.320longaxiallyand/ormorethan0.450in.(11.43mm)longNOTE:Axialtipcracksmayhavethepotentialofreleasingthebladetip,whichmaycauseminorgaspathdownstreamdamage.Removetheengineinlessthan10cyclesThetrailingedgecrackisinareaThetrailingedgecrackisinareaCandismorethan0.03in.(0.76mm)long.CracksintheairfoilgothroughortouchotherThecrackisinareaAandismorethan0.08in.(2.03mm)longaxiallyand/ormorethan0.140in.(3.55mm)longradially.ThecrackisinareaBandismorethan0.140in.(3,56mm)longaxiallyand/ormorethan0.360in.(9.14mm)longradially.LossofbladetipmaterialsothattheinternalcoolingLossoftrailingedgetipmaterialabovethelasttrailingedgecoolingslot.72-00-00-220-150- 第15(Ref.Fig.Stage2HPTbladeinspectionAreasSHEET軸向長(zhǎng)度0.080in.(2.03mm徑向長(zhǎng)度小于0.180in.(4.57mm)向長(zhǎng)度小于0.080in.(2.03mm)和//或徑向長(zhǎng)度小于0.140in.(3.55mm長(zhǎng)度在0.0800.140in.2.033.56mm)0.360in.4.57211.430mm到0.200in(2.035.08mm0.1800.360(4.57211.430mm度大于0.080in(2.03mm)和/或徑向長(zhǎng)度大于0.140in.(3.55mm大于0.140in.(3.56mm)0.360in(11.430mm度大于0.200in(5.08mm)和/或徑向長(zhǎng)度大于0.360in.(11.430mmSubtask72-00-00-220-150-G.Airfoilsurfaceimperfection(areasofraisedmaterial)andsurfaceimperfectionswithcracks.(Ref.Fig.Stage2HPTbladeinspectionAreasSHEETAcceptwithaninspectioneach600hoursTherearesurfaceimperfections(areasofraisedmaterial)ontheairfoilsurface.AsurfaceimperfectionisinareaBorareaCandhasacrackwithalengththatis0.080in.(2.03mm)longaxiallyand/orlessthan0.180in.(4.57mm)longradially.Acceptwithaninspectioneach300hoursAsurfaceimperfectionisinareaAandhasacrackwithalengththatislessthan0.080in.(2.03mm)longaxiallyand/orlessthan0.140in.(3.55mm)longradially.AsurfaceimperfectionisinareaBandhasacrackwithalengththatisbetween0.080and0.140in.(2.03and3.56mm)longaxiallyand/orbetween0.180and0.360in.(4.572and11.430mm)longradially.AsurfaceimperfectionisinareaCandhasacrackwithlengththatisbetween0.080and0.200in.(2.03and5.08 第16longaxiallyand/orbetween0.180and0.360in.(4.572and11.430mm)longradially.Removetheengineinlessthan10cyclesSurfaceimperfectionsontheairfoilsurfacehavecracksthatgothroughothercracks.AsurfaceimperfectionisinareaAandhasacrackwithalengthofmorethan0.080in.(2.03mm)longaxiallyand/ormorethan0.140in.(3.55mm)longradially.AsurfaceimperfectionisinareaBandhasacrackwithalengthofmorethan0.140in.(3.56mm)longaxiallyand/ormorethan0.360in.(11.430mm)longradially.AsurfaceimperfectionisinareaCandhasacrackwithalengthofmorethan0.200in.(5.08mm)longaxiallyand/ormorethan0.360in.(11.430mm)longradially.AsurfaceimperfectionisinareaDandhasa72-00-00-220-105-(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET0.125in.(3.17mm)Subtask72-00-00-220-105-H.CracksonthetformoftheStage2HPTblades(Ref.Fig.Stage2HPTBladeInspectionAreasSHEET1)Acceptwithaninspectioneach600hoursTherearecrackswhicharelongerthan0.125in.(3.17mm)thatdonotgothroughthetformtoairfoilfilletradius.Removetheengineinlessthan10cyclesThereisacrackwhichgoesthroughthetformtoairfoilfilletradius.72-00-00-220-107-(Ref.Fig.Stage2HPTDuctSegmentInspectionLocationsSHEET(Ref.Fig.Stage2HPTDuctSegmentInspectionLocationsSHEET(a)0.5in.(12.7mmSubtask72-00-00-220-107-J.Examinethestage2HPTductsegmentsforburn 第17(Ref.Fig.Stage2HPTDuctSegmentInspectionLocationsSHEETNOTE:WhenyoudoaborescopeinspectionoftheStage2HPTblades,someareasoftheStage2HPTductsegmentscanbeseen.Locations1and2inthefigureareimportantareas.(Ref.Fig.Stage2HPTDuctSegmentInspectionLocationsSHEET(1)Removetheengineinlessthan10cycles(a)Thereisburnholethatislongerthan0.5in.(12.7NOTE:tyofcracksisnotimportantandareacceptablewithoutreducedinspectionintervals.5結(jié)束工Close作72-00-00-410-112-(Ref.Fig.BorescopePortsSHEET4)給螺栓打力矩在7585lbf.in0.840.96m.daN)(參考.TASK70-23-11-911-013)用抗腐剛性絲給螺栓打(材料號(hào).V02-141)(2)給螺栓打力矩到100lbf.in(1.13m.daN)(參考.TASK70-23-11-911-013)。Subtask72-00-00-410-112-AA.Closetheborescopeinspectionportsafterborescopeinspectioniscompletedasfollows:(Ref.Fig.BorescopePortsSHEETFortheT1/2LorT1/2Rport,proceedasPutthegasket,option(3)inthecaseRecethegasketifitisnotabovethecase 第18Putthegasketontheplug(4)andinstalltheplugintheLubricatetheboltthreadswithanti-seizepaste(MaterialNo.V10