discusses over-lubrication of reciprocating compressors
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(CFM)Descripción completa
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Boeing 737_ b737 Cfm 56 Engine (Ata 70-79)
ATA 71-80 MOTORES JT8D Y CFM56Descripción completa
cours compresseursDescription complète
notes
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Compressor
In Plant Training
compressor design
CENTRIFUGAL COMPRESSOR
CENTRIFUGAL COMPRESSORDescripción completa
An air compressor is a device that converts power (usually from an electric motor, a diesel engine or a gasoline engine) into kinetic energy by compressing and pressurizing air, which, on command, ...
Compressor surging of Boeing 737-800 left engine CFM-56 7B engine 20th August, 2009 Launceston to Sydney, Australia
www.lh5.ggpht.com Accessed Nov.4 , 2010
Fuel Flow (FF) decreased Exhaust Gas Temperature (EGT) increased 35 minutes after takeoff High Pressure Compressor (HPC) surge Engine set to flight idle Aircraft returned safely
B 737-800 Power Plant Training Manual, ALTEON
B 737-800 Power Plant Training Manual, ALTEON
Investigated by Australian Transport Safety Board (ATSB) Borescope inspection conducted Flight Data Recorder (FDR) and cockpit voice recorder sent to ATSB 36 similar incidents have occurred Engine sent to GE facility ◦ Full engine teardown and inspection
Borescope inspection on the left engine ◦ Damage to HPC rotors ◦ Missing HPC seal segments around 3rd stage stator ◦ Loose HPC seals observed on 1st and 2nd stage
FDR data analysis ◦ FF & EGT changed over the last two flights
Engine teardown ◦ Seal segments
ATSB, Aviation Occurrence Investigation A0-2009-053, Final Report, July 2010
ATSB, Aviation Occurrence Investigation A0-2009-053, Final Report, July 2010
Some airline operators have changed check intervals Manufacturer has redesigned parts
1. 2. 3.
The check times should be reduced Investigation of improved assembly, material, better fitting Up-to-date Engine Health Monitoring (EHM)
