| Part Number | Description |
| 8513460 | PCB BACKPLANE ASSY - 64A FORM20 |
| 8525710 | PCB PILOT PROTECT FORM20 REPAIRED |
| 8525720 | PCB CCU FORM20 REPAIRED |
| 8525730 | PCB INPUT/OUTPUT FORM20 REPAIRED |
| 8527090 | PCB CCU V3 FM20 |
| 8528550 | PCB POWER UP/ADD'L 32 AMP UPGRADE FM20/FO20 |
| 8528760 | PCB POWER UPH/MICROFIN II OPTION for FM20/F |
