| ACC | Active Clearance Control |
| ADIRU | Air Data Inertial Reference Unit |
| ADSOV | Active Damper Shut Off Valve |
| AGB | Angle Gearbox |
| AOHE | Air/Oil Heat Exchanger |
| AOP | Auxiliary Oil Pressure sensor |
| APF | Aft Pylon Fairing |
| APU | Auxiliary Power Unit |
| ATS | Air/Turbine Starter |
| BAHE | Buffer Air Heat Exchanger |
| BAM | Buffer Air Manifold |
| BAPS | Buffer Air Pressure Sensor |
| BAV | Buffer Air Valve |
| BFE | Buyer Furnished Equipment |
| BLS | Bifurcation Latch System |
| BOAS | Blade Outer Air Seals |
| CAA | Closure Assist Assembly |
| CAN | Controller Area Network |
| CAS | Crew Alert System |
| CIC | Compressor Intermediate Case |
| CJC | Cold Junction Compensation |
| CSD | Constant Speed Drive |
| DCV | Directional Control Valve |
| DOS | Door Opening System |
| DPHM | Diagnostic, Prognostic and Health Management system |
| DSU | Data Storage Unit |
| EBU | Engine Build-up Unit |
| ECAI | Engine Cowl Anti-Ice |
| ECAM | Electronic Centralized Aircraft Monitor |
| ECS | Environmental Control System |
| EDP | Engine Driven Pump (hydraulic) |
| EEC | Electronic Engine Control |
| EGT | Exhaust Gas Temperature |
| EHSV | Electro Hydraulic Servo Valve |
| EIU | Engine Indicating Unit |
| FADEC | Full Authority Digital Engine Control |
| FDGS | Fan Drive Gear System |
| FDV | Flow Divider Valve |
| FEGV | Fan Exit Guide Vane |
| FFDP | Fuel Filter Differential Pressure Sensor |
| FFM | Fuel Flow Meter |
| FIC | Fan Intermediate Case |
| FM | Fuel Manifold |
| FMU | Fuel Metering Unit |
| FOHE | Fuel/Oil Heat Exchanger |
| FOHEBV | Fuel/Oil Heat Exchanger Bypass Valve |
| FPRV | Fuel Pressure Relief Valve |
| FRTT | Fuel Return-to-Tank |
| GSE | Ground Support Equipment |
| HCU | Hydraulic Control Unit |
| HOR | Hold Open Rod |
| HP | Hydraulic Pump |
| HPC | High Pressure Compressor |
| HPSOV | High Pressure Shutoff Valve |
| HPT | High Pressure Turbine |
| IBR | Integrally Bladed Rotor |
| ICV | Isolation Control Valve |
| IDG | Integrated Drive Generator |
| IDGFOHE | IDG Fuel/Oil Heat Exchanger |
| IDGOOHE | IDG Oil/Oil Heat Exchange |
| IFPC | Integrated Fuel Pump and Control |
| IFS | Inner Fixed Structure |
| IPCKV | Inlet Pressure Check Valve |
| IVB | Inner V Blade |
| JOSV | Journal Oil Shuttle Valve |
| KVA | Kilo Volt Ampere |
| LAP | Latch Access Panel |
| LH | Left Hand |
| LOP | Low Oil Pressure switch |
| LPBSOV | Low Pressure Buffer Shutoff Valve |
| LPC | Low Pressure Compressor |
| LPT | Low Pressure Turbine |
| LRU | Line Replaceable Unit |
| LSOP | Lubrication and Scavenge Oil Pump |
| LVDT | Linear Variable Differential Transformer |
| MDU | Manual Drive Unit |
| MGB | Main Gearbox |
| MOPS | Main Oil Pressure sensor |
| MOTS | Main Oil Temperature sensor |
| N1 | Low Pressure Turbine rotor speed |
| N2 | High Pressure Turbine rotor speed |
| NAI | Nacelle Anti-Ice |
| NAI PRSOV | Nacelle Anti-Ice Pressure Regulating Shutoff Valve |
| NEO | New Engine Option |
| Nf | Fan rotor speed |
| OCM | Oil Control Module |
| ODM | Oil Debris Monitor |
| OFDP | Oil Filter Differential Pressure Sensor |
| OLS | Oil Level Sensor |
| OTAD | Oil Tank Access Door |
| OVB | Outer V Blade |
| P2.5/T2.5 | Pressure and temperature at Station 2.5 |
| P2.9 | Pressure at Station 2.9 |
| P2/T2 | Pressure and temperature at Station 2 |
| Pamb | Ambient pressure sensor |
| Pb | Burner pressure |
| PCE | Pre-Cooler Exhaust |
| PF | Pressure fuel |
| PHMU | Prognostics and Health Management Unit |
| PMA | Permanent Magnet Alternator |
| PRSOV | Pressure Regulating Shutoff Valve |
| PS14 | Pressure at Station 14 |
| QAD | Quick Attach/Detach |
| QR | Quick Release |
| RH | Right Hand |
| RPM | Revolutions Per Minute |
| RTD | Resistance Temperature Device |
| RTTV | Return-To-Tank valve |
| SAV | Starter Air Valve |
| SVA | Stator Vane Actuator |
| T2 | Fan inlet temperature (at Station 2) |
| T3 | Compressor exit Temperature (at Station 3) |
| T5 | Turbine exit temperature (at Station 5) |
| TAI | Thermal Anti-Ice |
| Tamb | Ambient temperature |
| TCA | Turbine Cooling Air |
| TCM | Thrust Control Malfunction |
| TEC | Turbine Exhaust Case |
| TF | Fuel temperature |
| Ti | Inner T-flange |
| TIC | Turbine Intermediate Case |
| TL | Tertiary Lock |
| TLV | Track Lock Valve |
| To | Outer T-flange |
| TRAS | Thrust Reverser Actuation System |
| UTAS | United Technologies Aerospace Systems |
| VDC | Voltage Direct Current |
| VIB | Vibration |
| VIGV | Variable Inlet Guide Vane |
| VORV | Variable Oil Reduction Valve |
| VSV | Variable Stator Vane |
| WC | Wiring for core harness |
| WF | Wiring for fan case harness |