CFM56-7 Scorecard

航空发表于 2011-4-12 11:10:48

**** Hidden Message *****

航空发表于 2011-4-12 11:11:17

CFMI PROPRIETARY INFORMATION ATO Rate Goal 0.010 Current rate 0.012 ATO Rate Goal 0.010 Current rate 0.012 Dispatch Reliability Goal 99.95 Current 99.94 Fleet Statistics • 12 month rolling average thru Jan 31 • Air Algerie (4) • Air Berlin (14) • Air China (8) • Air Europa (8) • Air Pacific (3) • Alaska (13) • American (50) • ARAMCO (3) • Axon (2) • Azzura (2) • Braathens (9) • Britannia (5) • BWIA (4) • Continental (93) • COPA (6) • China Airlines (11) • China Southwest (3) • China Yunnan (4) • Delta (38) • El Al (5) • Euralair (4) • Futura (5) • Germania (14) • Hainan (7) • Hapag-Lloyd (20) • Jet Airways (14) • KLM (13) • Korean (8) • Lauda (4) • LAPA (8) • Maersk (8) • Midway (5) • Novair (3) • Pegasus (3) • RAM (9) • Ryanair (12) • Sabre (4) • Sahara (3) • SAS (49) • Shanghai (5) • Shenzen (3) • South African (6) • Southwest (91) • Sterling (5) • Sunexpress (4) • Transavia (10) • THY (23) • Tunis (7) • Varig (5) • Xiamen (6) • BBJ (48) • Others (19) In-Service and Flight Line Issues Current month Previous month Fleet Experience Hours: 6,089,214 Cycles: 3,145,614 Engines: 1,555 Aircraft 726 Issue Status T • Starter • HPSOV Switch • No. 4 bearing • DAC durability • Oil/Fuel Delta P Switch • Fan Blade/Booster Flange/Platform • LPT Blade (DAC) • N1 Vibration • EEC • Acoustic Panel • Ignition System • Ps3 Line “B” Nut Connections Y CFM56-7 Scorecard G G Y G R G Y Total IFSD Rate Goal 0.003 Current 0.003 Total ATO Rate Goal 0.015 Current 0.014 Total SV Rate Goal 0.100 Current 0.028 Total UER rate Goal 0.040 Current 0.015 G Y Leading Indicators Issue HPT Blades G Y CFMI PROPRIETARY INFORMATION Age Distribution - Hours 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 Number of Engines ETSN Distribution CFMI PROPRIETARY INFORMATION Age Distribution - Cycles 0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 250 300 350 400 450 500 1000 2000 3000 4000 5000 6000 7000 8000 9000 Number of Engines ECSN Distribution CFMI PROPRIETARY INFORMATION IFSD Rate CFM56-7 IFSD Rate 0.000 0.010 0.020 0.030 0.040 0.050 0.060 0.070 0.080 0.090 199712 199802 199804 199806 199808 199810 199812 199902 199904 199906 199908 199910 199912 200002 200004 200006 200008 200010 200012 IFSD per 1K hours 120 Minute ETOPS Criteria Basic 12 Month Rolling Average Total 12 Month Rolling Average 180 Minute ETOPS Criteria CFMI PROPRIETARY INFORMATION IFSD Causes - Total Last 12 Months Cause Quantity Corrective Action #4 Bearing 3 MCD Inspection - SB 72-180 New outer race material - 4th Qtr 01 Maintenance error 3 N/A Ps3 Line 2 Short term plan to triple torque in Prod Long term plan is to introduce lock wire in Prod Starter 1 Improved Gear Design - October 99 S/Bs 80-004, 80-005 issued HPT blade 1 No Root Cause Established Oil Temperature Sensor 1 Over-torque root cause: redesign insert for improved durability Oil Temperature Indication 1 No Root Cause Established Fuel Filter Rotation 1 Boeing issued fleet inspection recommendation Incorrect o-ring installed prior to delivery. CFMI has standardized Viton as o-ring for all CFM56 CFMI PROPRIETARY INFORMATION Aborted Takeoff Rate CFM56-7 ATO Rate 0.000 0.005 0.010 0.015 0.020 0.025 0.030 0.035 0.040 199712 199802 199804 199806 199808 199810 199812 199902 199904 199906 199908 199910 199912 200002 200004 200006 200008 200010 200012 ATOper dep. Basic 12 mo Rolling Total 12 mo Rolling CFMI PROPRIETARY INFORMATION Aborted Takeoff Causes - Last 12 months Cause Quantity Corrective Action Data for basic rate: MSV position fault 2 EEC/HMU replaced - Root caused not established HPC IGV Lever Arm 1 Field inspected engines vertically side cased at Shop. Assy aids incorporated in production. Fuel Filter DP 1 Introduced FFDP with potting in connector housing , SB 73-042 issued HPT Blade 1 HPT blade failure - Under investigation Fuel Pump 1 Failure to attain T/O power - under investigation Data for total rate: Bird strike 3 N/A Eng Cont Light 2 No Fault Codes reported Maintenance 1 N/A Operation 1 Runway excursion CFMI PROPRIETARY INFORMATION Shop Visit Rate CFM56-7 Total Shop Visit Rate 0.000 0.010 0.020 0.030 0.040 0.050 0.060 0.070 0.080 199712 199802 199804 199806 199808 199810 199812 199902 199904 199906 199908 199910 199912 200002 200004 200006 200008 200010 200012 Shop Visits per 1K hours 12 Month Rolling Average CFMI PROPRIETARY INFORMATION Shop Visit Causes - Total engine Last 12 months Cause Quantity Corrective Action LPT Blade 60 DAC unique. Control actions in place. Maintenance 11 N/A HPC Blade 8 Clearances adjusted, top case and blending repairs in place FOD/Other 6 N/A #4 Bearing 5 MCD Inspection - SB 72-180, New outer race material 4th Qtr 01 Core vibration 2 Top case core balance procedure developed.. Rotor stack improvements incorp’d into production. Volcanic ash 2 N/A HPT Blade separation 2 In-investigation HPC IGV bridged 1 One time inspection of engines vertically top cased at shop. Assy aids connector mis-Assy incorporated in production. Affected field population inspected TEO sensor 1 Over-torque root cause: Redesign inserts for additional robustness. TEO system logic to be revised in next S/W revisionto preclude invalid oil pressure indication. Oil Leak 1 Aft sump oil supply leak - Assy error VBV Pad disbonndment 1 N/A Combustor distress 1 Under investigation Metal in HPT 1 HPT air manifold spalsh plate --- CFM56-7 S/B 72-167 Air manifold FWD sump 1 Under Investigation Oil leak CFMI PROPRIETARY INFORMATION CFM56-7 Dispatch Reliability 99.70 99.75 99.80 99.85 99.90 99.95 100.00 199712 199802 199804 199806 199808 199810 199812 199902 199904 199906 199908 199910 199912 200002 200004 200006 200008 200010 200012 Successful Departures 12 Month Rolling Average CFMI PROPRIETARY INFORMATION Delay and Cancellation Top Causes (basic engine last 12 months) Cause Quantity Corrective Action DAC LPT Blade Program 101 Control action to BSI vibration shifts. Corrective actions being developed. HMU: - HPSOV 48 SB 73-037R2 issued, Allows A/L to R/R sw - FMV 22 Phase II resolver incorp’d in prod/rwk P07 Fuel delta pressure switch 50 Potted switch improvement S/B 73-042 Boeing proposing 1 flight allowance to DDPG MMEL PALL offering discount on switch upgrade Ignition System 29 Ignition hardware shows no anomolies (not confirmed) Power switching relay planned for Aircraft incorp. HPTACC Valve 25 Improved LVDT S/B 75-002. TCC thermocouple deletion 2nd Qtr 01 Oil delta P switch 23 Manufacturing improvements incorporated EEC 21 PSS modification. Improved ATP in place. Program improvements being monitored. N1 Vibration 17 Vibration Maint. Action published - CESM 007 issued Starter 12 Gear and oil catcher upgrade S/B s issued N2 Speed Sensor 7 SB 72-259 issued. CFMI PROPRIETARY INFORMATION CFM56-7B Revenue Service Status Entry into service December 1997 Operators/aircraft in service 98/726 Cumulative engine hours/cycles 6,089,214/ 3,145,614 Daily utilization hours/cycles 9.5/4.9 Average flight leg 1.93 High time engines: hours/cycles 12,500 / 8,333 Total SVR (per 1,000 EFH) .024 Total IFSD rate (per 1,000 EFH) .003 Dispatch reliability 99.94 Data as of January 2001 Meeting or Exceeding Reliability Goals

979199501 发表于 2011-4-12 14:24:17

回复 1# 航空的帖子

CFM56-7 Starter Reliability

kfshzz 发表于 2011-4-27 18:54:27

楼主很好！！

kinran 发表于 2011-6-4 22:39:26

:victory: :victory:

bocome 发表于 2011-7-31 05:22:20

CFM56-7 Scorecard

海青岛主 发表于 2014-9-21 23:50:59

资料好珍贵啊

页: [1]

航空论坛_航空翻译_民航英语翻译_飞行翻译's Archiver

CFM56-7 Scorecard

回复 1# 航空 的帖子

回复 1# 航空的帖子