| Key1, clustered | Document Type, Document No., Line No. | 17-28 | - |
| Key2 | Document No., Line No., Document Type | 17-28 | - |
| Key3 | Document Type, Document No., Service Item No., Contract No., Contract Line No. | 17-28 | - |
| Key4 | Service Item No. | 17-28 | - |
| Key5 | Document Type, Document No., Response Date, Response Time | 17-28 | - |
| Key6 | Response Date, Response Time, Priority | 17-28 | - |
| Key7 | Loaner No. | 17-28 | - |
| Key8 | Document Type, Document No., Starting Date, Starting Time | 17-28 | - |
| Key9 | Document Type, Document No., Finishing Date, Finishing Time | 17-28 | - |
| Key10 | Fault Reason Code | 17-28 | - |
| Key11 | Contract No. | 17-28 | - |