AEMS ENGINE/MODULE/REMOVAL/DOWNGRADE/REPAIR CODES
BASIC ENGINE
OIL SYSTEM (continued)
Accident/Incident Damage
4B
Oil Consumption
3T
Associated Engine Module Failure NOTE (1)
4A
Oil Contamination
1W
Cannibalization
3W
Oil Leakage
7K
Can’t Trim
3A
Oil Starvation
6E
Corrosion
2Q
Reduction Gearbox Failure
1R
Directed Removal NOTE (2)
4D
COMPRESSOR
Excessive Maintenance NOTE (4)
3B
Air Leakage
7J
Fire
5B
Blade Blended Beyond Limits
6K
Firefighting Chemical Ingestion
5A
Bleed Valve Broke/Inop
8N
Flameout
1A
Compressor Case Crack
6P
HEMP/HSI
7E
Compressor Erosion/Corrosion
6R
High Time (Components/HEMP/HSI) NOTE (3)
7D
Compressor/Fan VG Disconnect/Broke
6N
High Time Component Only NOTE (3)
7C
Compressor Stator Vane/Blade Cracked/Broken 6J
Hot Start
1B
Compressor Rub
6L
Low Cycle Fatigue
6V
Compressor FOD
5C
Low Torque/Power/Thrust/Efficiency
3R
IGV Crack/Broke/Disconnect
2S
Mod/TDC Inc
6A
Inlet Case Crack
2A
Overhaul
5G
Internal Noise/Binding/Shutdown
2C
Overspeed
2F
Stall
6Q
Overtemp
6F
TURBINE
Smoke/Fumes in Cockpit
1Z
Blade Erosion
7U
Temp Out of Limits
8B
Blade Broken/Cracked
7T
Vibration
3D
Blade Sulfidation
1V
FUEL SYSTEM
Exhaust Duct Failure
4R
Inability to Accelerate
3M
Internal Noise/Binding/Shutdown/Start
1T
Inability to Start
3P
Turbine Nozzle Failure
6T
Fuel Leakage
7L
Turbine Disk Failure
8C
Unstable/Surging
3U
Turbine FOD
5D
OIL SYSTEM
AFTERBURNER
Accessory Gearbox Malfunction
1G
Flame Holder
8K
Bearing Failure
8P
Liner Crack/Failure
8T
High Sump Pressure
9J
Mount Crack/Broke
8Q
Excessive Oil From Breather
8A
Nozzle Cylinder Failure/Crack
8V
High Oil Pressure
5Q
Nozzle Flap/Seal/Segment Crack/Failure
8X
JOAP Lab Recommendation
8F
Synch Ring/Actuator Ring Malfunction
1M
Low Oil Pressure
5W
Variable Nozzle Failure
4S
Metal in Oil
2N
Figure 9-4.—AEMS Engine/Module/Removal/Downgrade/Repair codes.
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