CFM56-5B_Program_Overview

航空发表于 2011-4-19 08:13:38

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航空发表于 2011-4-19 08:13:51

CFM56-5B Program Overview CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 2 YY Total Shop Visit Rate Goal 0.100 Current rate 0.036 Total ATO Rate Goal 0.020 Current rate 0.014 Total IFSD Rate Goal 0.003 Current rate 0.005 Basic Dispatch Reliability Goal 99.95 Current rate 99.98 CFM56-5B Scorecard In-Service Issues Total UER Rate Goal 0.040 Current rate 0.029 Through March 2002 Current Fleet Statistics 12 mo. rolling avg. Previous Issue Status Corrective Action • DAC LPT S-1 blade Impl field plan, logic change for new blade, 2Q02 intro • Fan OGV cracking Rev AMM limits, new mat’l defined • HPTB shank cracks M10P01 prod intro Oct 01, fld plan-acquire data • RDS bearing failure Failure mode id’d, on-wing insp. SB 72-407 & shop SB 72-409 issued • S-5 booster bld failure SB 72-391 & shop SBs 72-397, 72-418, 72-420 Issue Status • VSV feedback faults Evaluating events related to erratic F/B signal • EMCD system Inspection SB 72-414, visual indicator malfunction - root cause identified Visual indicator availability Leading Indicators Y G G G G G Y CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 3 CFM56-5B Fleet at a Glance Through March 2002 China World Fleet Aircraft in service 48 530 Customers 3 42 Engines in service 104 1144 Cumulative engine hours 0.6 M 7.3 M Cumulative engine cycles 0.4 M 4.7 M CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 4 CFM56-5B In Service Status Through March 2002 China World Fleet • Fleet leaders - Hours 11567 17202 - Cycles 7852 16377 - Hours without shop visit 11567 16582 - Cycles without shop visit 7745 8893 • 12 mo. total in-flight shutdowns 0.0 0.0036 • 12 mo. total aborted takeoffs 0.0 0.0089 • 12 mo. basic D&C% 99.99 99.97 • 12 mo. total shop visits 0.0347 0.0036 CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 5 Issue Program Plan/Status • RDS failure - Root cause dentifed on-wing insp. SB 72-407 & shop SB 72-409 issued • # 3 bearing failure - Inconclusive - extensive bearing damage, in Winstead population • Oil filter drain - Implemented AMM procedure modification • #4 Bearing failure - Bearing w/ 32CDV13 matl available end 1Q02, CESM 054 issued • Hi oil temp - Excessive oil in system, inconclusive - isolated case • Flameout - Under investigation CFM56-5B In-Flight Shutdowns 12 Month Rolling Average - Through March 2002 0 1 2 3 4 5 RDS failure IPCV - Aircraft Oil filter drain Hi Oil Temp Flameout Nr4 Bearing number of eventsProgram Available 0.0000 0.0010 0.0020 0.0030 0.0040 0.0050 0.0060 0.0070 Mar-00 May-00 Jul-00 Sep-00 Nov-00 Jan-01 Mar-01 May-01 Jul-01 Sep-01 Nov-01 Jan-02 Mar-02 rate /1000 EFH Basic Total .0036 .0048 CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 6 0 1 2 3 4 Bird Strike Slow accel N2 SNSR HPT blades LPT Overtemp H M U Tflex anomaly number of events Program Available CFM56-5B Aborted Takeoffs 12 Month Rolling Average - Through March 2002 Issue Program Plan/Status •HMU - Auto accel and power loss - under investigation • HPT blade - P01 T/E root crack, SB 72-259 (non/P) & 72-271 (/P) introduced improved blade • LPT Overtemp - LPT damage sustain during a previous hot start •Slow accel - Ps3 drop - investigating • Tflex anomaly - Loss of Tflex mode - investigating •N2 sensor - SB 72-0345 R2 - Improved N2 Sensor 0.000 0.005 0.010 0.015 0.020 0.025 0.030 Mar-00 May-00 Jul-00 Sep-00 Nov-00 Jan-01 Mar-01 May-01 Jul-01 Sep-01 Nov-01 Jan-02 Mar-02 rate /1000 EFH Basic Total .014 .009 CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 7 0 5 10 15 20 25 30 35 40 45 Starter Valve Fuel Leak Air Starter Oil leak HMU Gaskett Servo fuel HPTCC fuel leak Ecam warning IDG fuel hose ECU number of events Program Available CFM56-5B Departure Reliability 12 Month Rolling Average - Through March 2002 Issue Program Plan/Status • Fuel leaks - Mainly related to the VBV Gear Motor - SB 75-021 • HMU - OSG and HPSOV faults - Improvements in place • ECU - No systemic problems • Servo gasket oil leaks - Deterioration of fluoro-silicone seal by Mobil 291, hard-time seal, new Viton seal material - 2Q02 • VBV system - Reliability improvements available - SB 75-007 • T12 sensor - Durability improvements - SB 73-080 Rosemount sensor: SB 73-085 Auxitrol sensor, Auxitrol quality escape • IDG fuel hose - Retrofitting with improved metal design • Starter valve - SAV freezing - dual actuator SB 80-007; slow closure - valve corrosion, monitoring situation • HPTCC fuel leak - Orange peal condition on piston - replace piston at shop visit 99.89 99.91 99.93 99.95 99.97 99.99 Mar-00 May-00 Jul-00 Sep-00 Nov-00 Jan-01 Mar-01 May-01 Jul-01 Sep-01 Nov-01 Jan-02 Mar-02 Basic Total 99.96 99.98 CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 8 CFM56-5B Shop Visits 12 Month Rolling Average - Through March 2002 Issue Program Plan/Status • S-5 booster blade - Insp. SB 72-391 & shop SBs 72-397, 72-418, 72-420 • HPT blade T/E cracks - Current blade significantly reduces T/E root cracks • DAC combustor chamber - Retrofit of DAC IIC with DAC II PIP - SB 72-181 • DAC S-1 LPT blade - Retrofit of re-contoured in progress, redesign blade 1 Q 02 • #4 bearing - Retrofit of quality escape • RDS failure - Root cause dentifed on-wing insp. SB 72-407 & shop SB 72-409 issued • #3 bearing - Windsted ball issue, potential hard particle contamination 0 5 10 15 20 25 HPT blades S-1 LPT blade (DAC) Nr4 bearing retro DAC 2C comb retro S-5 booster blade Nr3 bearing failure Maintenance Radial drive shaft Oil system HPT Disk Life limit... FOD Vibration number of visits Program Available 0.010 0.020 0.030 0.040 0.050 0.060 Mar-00 May-00 Jul-00 Sep-00 Nov-00 Jan-01 Mar-01 May-01 Jul-01 Sep-01 Nov-01 Jan-02 Mar-02 rate /1000 EFH Basic Total 0.036

kinran 发表于 2011-6-4 23:11:39

:victory: :victory:

bocome 发表于 2011-7-31 05:00:18

CFM56-5B_Program_Overview

piglet2000 发表于 2015-3-23 10:35:06

先下载看看

yw_19801221 发表于 2015-4-8 14:08:32

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kees 发表于 2015-4-22 06:48:35

看看 ! :victory:

kmlihe 发表于 2015-7-4 14:26:21

thank you very much

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CFM56-5B_Program_Overview