CFM In-Service Scorecard Through August 2004

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CFM PROPRIETARY INFORMATION In-Service Scorecard Through August 2004 Bill Benham CFM56-3/-7 Model Leader CFM56 Product Support Engineering CFM PROPRIETARY INFORMATION Dispatch Reliability Goal 99.95 Current 99.95 Fleet Statistics • 12 Month Rolling Average Previous Month Current Month CFM56-7 Scorecard Total IFSD Rate Goal 0.006 Current 0.002 Total ATO Rate Goal 0.020 Current 0.011 Total SV Rate Goal 0.100 Current 0.018 Total UER rate Goal 0.040 Current 0.018 Experience Hours: 31,485,174 Cycles: 16,387,586 Engines: 3,308 Aircraft: 1,560 Operators: 145 In-Service Issues Issue Status Leading Indicators • Fuel Nozzle Distress • HPT Blade: SB 72-115R2, 72-326 • Fan Frame Shroud Cracks: SB 72-0440R4 Mar-04 SB 72-0495 R1 (FAR33) • Aft Scavenge Nipple Crack: All Reps Wire Jan 每04 • VSV Inner Bushing Wear Inspection SB Sept- 04 72-0515 Submitted HMU Leaks (FS o-ring) Viton 每 Production 10/04 G Y Y Y Y CFM PROPRIETARY INFORMATION 64 737 New Gen Operators With at Least 4 Airplanes: * AEROMEXICO-AEROVIAS DE MEXICO S.A. (12) * KENYA AIRWAYS (4) * AIR ALGERIE (12) * KLM ROYAL DUTCH AIRLINES (18) * AIR BERLIN (33) * KOREAN AIRLINES (28) * AIR CHINA INTL CORP. (16) * LAUDA AIR (8) * AIR EUROPA (17) * MAERSK AIR A/S (9) * AIR HORIZONS (6) * MALEV (12) * AIRTRAN AIRWAYS INC (5) * MIAMI AIR INTERNATONAL (6) * ALASKA AIRLINES (34) * NEOS (4) * ALOHA (13) * OMAN AIR (5) * AMERICAN AIRLINES (77) * PEGASUS AIRLINES (11) * ARAMCO SERVICES (5) * QANTAS (23) * ATA AIRLINES (33) * ROYAL AIR MAROC (12) * BRAATHENS (9) * RYANAIR (57) * BWIA INTERNATIONAL AIRWAYS LIMITED (7) * SAHARA AIRLINES LIMITED - INDIA (7) * CHINA AIRLINES (11) * SCANDINAVIAN AIRLINES SYSTEM (50) * CHINA EASTERN AIRLINES (11) * SHANGHAI AIRLINES (14) * CHINA SOUTHERN AIRLINES (18) * SHENZHEN AIRLINES (18) * CHINA SOUTHWEST AIRLINES (12) * SOUTH AFRICAN AIRWAYS (21) * CHINA YUNNAN AIRLINES (4) * SOUTHWEST AIRLINES (181) * CONTINENTAL AIRLINES (138) * STERLING EUROPEAN AIRLINES (11) * COPA-PANAMENA DE AVIACION S.A. (18) * SUN COUNTRY (4) * DELTA AIR LINES (71) * SUNEXPRESS (11) * EASY JET (31) * TRANSAVIA AIRLINES (25) * EL AL ISRAEL AIRLINES LTD. (6) * TRAVEL SERVICE (5) * ETHIOPIAN AIRLINES CORP (4) * TUNIS AIR (7) * EUROCYPRIA AIRLINES (4) * TURKISH AIRLINES INC. (28) * EXCEL AIRWAYS (6) * U. S. NAVY (7) * FUTURA INTERNATIONAL (10) * VIRGIN BLUE (46) * GERMANIA FLUGGESELLSCHAFT MBH (10) * WESTJET AIRLINES LTD. (35) * GOL TRANSPORTES AEREOS (22) * XIAMEN AIRLINES (10) * HAINAN AIRLINES (22) * XINJIANG AIRLINES (4) * HAPAG LLOYD FLUG (30) * OTHER NEW-GEN OPERATORS (94) * JET AIRWAYS PRIVATE LTD (27) CFM PROPRIETARY INFORMATION Age Distribution by Hours CFM PROPRIETARY INFORMATION Age Distribution by Cycles CFM PROPRIETARY INFORMATION CFM56-7B Fleet Leaders CFM PROPRIETARY INFORMATION In Flight Shut Down 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 199802 199805 199808 199811 199902 199905 199908 199911 200002 200005 200008 200011 200102 200105 200108 200111 200202 200204 200207 200210 200301 200304 200307 200310 200401 200404 200407 IFSD per 1K hours 120 Minute ETOPS Threshold Basic 12 Month Rolling Average Total 12 Month Rolling Average 180 Minute ETOPS Threshold CFM Goal (0.006) 0.001 0.002 CFM PROPRIETARY INFORMATION IFSD Causes - Total Last 12 Months Cause Quantity Corrective Action No 4 bearing 1 New outer race material introduced - SB 72-0352 Issued Oct. 17, 2002 AGB Bearings: 1 On-going investigation on AGB bearings; suspect abusive grinding and lack of - line 3 (1event) burn off checks during manufacturing process. SB 72-0368 issued for specific population of line 3 bearing NDT for Hardness check Aft Sump Oil Leak 2 Cracked Scavenge line nipple All reps Jan-04 Starter Failure (P08) 1 1 每 Needle Bearing Failure No 3 bearing 1 Engine Test for Offset-Bearing 每 New part number to identify new offset HPT Blade Shank Failure 1 M10P01 HPT blade in production, all removed blades to have shank coating stripped MFP-to-AGB seal 1 Oil Leak - Seal Replaced HMU 1 Rollback 每 uncommanded fuel flow reduction 每 investigation Main Fuel Pump 1 Inner stage failure (no impeller rotation) Data For Total: Maintenance 3 Oil loss (MCD), Spinning Fuel Filter, Hand Cranking Pad N/I Bird Strike 2 1-Outer panel of one fan blade liberated 每 1-Fan Blade Damage Aircraft System 1 Spar Valve. Operation 2 2 每 Shutdown due to ※Fuel Imbalance.§ Procedures not followed 1 1 1 CFM 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 199802 199805 199808 199811 199902 199905 199908 199911 200002 200005 200008 200011 200102 200105 200108 200111 200202 200205 200208 200211 200302 200305 200308 200311 200402 200405 200408 ATO per 1000 Departures Basic 12 Month Rolling Average Total 12 Month Rolling Average CFM Goal CFM PROPRIETARY INFORMATION Aborted Takeoff Causes - Last 12 months Cause Quantity Corrective Action Data for basic rate: HMU - TBV 2 Corrective action introduced 每 EHSV feedback spring HMU 每 FMV 1 FMV Control Current Out Of Range HMU 每 Fuel Flow Decrease 1 DFDR data shows fuel flow decreasing when EEC is opening FMV under Investigation FFDP 1 Fuel Filter Impending Bypass during T/O. Data for total rate: FOD/Bird strike 12 1 每 HPC damage to stage 1-8 : others N/A Misc. A/C Indications 5 (1) Thrust Reverser, (2) MLG Brake indication, Door Prox, MLG indication, Pitot Probe Blocked Operation 6 2 occurrences of Pitot probe heat not turned on. EEC S/W version 7.B.P (Jan 30, 2004) to address timer in logic. (2) No Cause 每 (1) Master caution (1) N1 split false alarm Fuel Contamination 1 Contamination of the OSG system in the HMU Smell in Cabin 每 Water Wash 2 Dry out procedures not being followed＃ Maintenance 1 Fuel Tube Not Properly Installed 1 1 1 1 1 CFM PROPRIETARY INFORMATION Shop Visit Rate CFM56-7 Total Shop Visit Rate 0 0.02 0.04 0.06 0.08 0.1 0.12 199712 199803 199806 199809 199812 199903 199906 199909 199912 200003 200006 200009 200012 200103 200106 200109 200112 200203 200206 200209 200212 200303 200306 200309 200312 200403 200406 Shop Visit per 1K hours CFM Goal CFM PROPRIETARY INFORMATION Shop Visit Top Causes - Last 12 months Cause Quantity Corrective Action HPT Blade T/E cracks 63 SB 72-115 R1 issued to retire P05 blades at first shop visit. SB 72-326 recommends a 1000 cycle BSI interval Shank Separation 1 M10P01 HPT blade in production, all removed blades to have shank coating stripped Fan Shroud Cracks 17 Fleet inspection SB 72-0440R4, issue Feb 04 (24% fallout), TIG repair developed for piece part. -103 panel being removed. CFM Doubler repair submitted for FAR25 Sept 2004. FOD/Bird strike 4 N/A Fan Disk replacement 6 CESM 005 and S/B 72-253 issued. In-service wear limits approved (0.011 inch). Limits issued. No. 4 Bearing 1 New outer race material introduced - SB 72-0352 Issued Oct. 17, 2002 Aft Sump 15 9 cracked scavenge lines 5 aft sump cover o-rings 每 o-ring RR procedure added to AMM Design/O-ring material change under review 每 All Reps Wire Jan 2004 No. 3 Bearing 4 Engine Test Complete 每 New part number to identify new offset Fan Blade Platform 1 Fan blade platform pin torque check SBs issued: 72-374 and Liberations 72-386. SB revision to increase all torques 每 Sept 04 Combustor 6 1 每 Combustor Distress : 3 Outer Cowl Missing Material :1 OC Wire HPC Blade Damage 7 Multiple stages 每 2 caused engine stall 5 1 2 3 1 1 1 CFM PROPRIETARY INFORMATION Total Unscheduled Engine Removals CFM56-7 Unscheduled Engine Removals 0.000 0.010 0.020 0.030 0.040 0.050 0.060 0.070 0.080 199801 199804 199807 199810 199901 199904 199907 199910 200001 200004 200007 200010 200101 200104 200107 200110 200201 200204 200207 200210 200301 200304 200307 200310 200401 200404 200407 UERs per 1k hours CFM Goal CFM PROPRIETARY INFORMATION CFM56-7 Total Dispatch Reliability 99.700 99.750 99.800 99.850 99.900 99.950 100.000 199712 199804 199808 199812 199904 199908 199912 200004 200008 200012 200104 200108 200112 200204 200208 200212 200304 200308 200312 200404 200408 %Successful Departures CFM Goal Total Dispatch Reliability CFM PROPRIETARY INFORMATION D&C Top Causes (Basic engine last 12 months) Cause Quantity Corrective Action HMU (178): Software version 7BQ to address TBV and FMV - TBV 98 TBV EHSV product improvements incorporated MAR-03 - FMV 69 Corrective action for 12 out of 13 failure modes defined Rotor winding improvements Introduced MAR-03 - HPSOV 11 Field program progressing nicely Engine Control Light 14 Engine Control Light 每 No fault code reported EEC 63 PSS modification SB 73-065. Improved ATP in place. Program improvements being monitored 每 Individual Pressure transducers failing Starter 62 P09 rework SB 80-006 issued (new turbine seal assembly) P10 - turbine stack improvements - SB 80-007 issued Fuel Filter Delta-P 42 Potted switch improvement S/B 73-042 1 flight allowance added to DDPG MMEL Ignition System 25 Ignition lead/exciter ... no anomalies Power switching relay available for Aircraft incorporation. Soft time recommendation not universally incorporated. Utilize improved EEC S/W troubleshooting capability - Fleet Highlights published Feb 2002 每 WTT Investigation Feb 2004 FOD and Bird Strike 70 Nothing specific to address 每 Evidenced during walk around Fuel Leaks 86 11-VSV; 8-HPTACC; 7-TBV; 31-MFP; 29-HMU 3 10 1 2 20 16 9

kinran 楷桶衾 2011-6-4 22:52:37

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bocome 楷桶衾 2011-7-31 05:18:54

CFM In-Service Scorecard Through August 2004

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瑤諾蹦抭_瑤諾楹祒_鏍瑤荎逄楹祒_滄俴楹祒's Archiver

CFM In-Service Scorecard Through August 2004