| Acronym | Meaning |
| PPC | Powerplant Change (tdc 02) |
| FBITBR | Fadec Fail Bit, Channel B, Right Engine |
| C/SCSC | Cost/schedule Control System Criteria |
| DC | Display Controller |
| RTB | Remote Test Basetmtreturn To Base |
| CPS | Contract Plant Services |
| OSI | Open Systems Interconnection (iso Standard) |
| PDE | Projected Operational Environment |
| WWMCCS | Worldwide Military Command And Control System |
| FPMUL | Fuel Pressure Metering Unit Left Engine |