| Acronym | Meaning |
 | SPADS | Shuttle Problem Action Data System |
| RP | Repair Period |
| ESTA | Electronic System Test Equipment |
| ODC | Other Direct Costs |
| CCP | Configuration Control Phase |
| PL | Plate |
| I | ECO Inboard Engine Cutoff |
| RAD | Radian |
| SPF | Spacelab Processing Facility |
| BYP | Bypass |
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