| 67-42101-133 67-42101-135 | Floor Panel Assembly Floor Panel Assembly | Butterfield Industries Inc | | 25 | Interior / Furnishings | PMA |
| B 2801-101 | Pan, Fuel Point | Butterfield Industries Inc | | — | Unknown | PMA |
| B1 1011-1 | Oil Residue Collection System | Butterfield Industries Inc | | — | Unknown | PMA |
| BI 2801-133 | Door | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI 2801-135 | Hinge Half | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI 2801-137 | Hinge Half | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI 2801-139 | Spacer | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI 2801-141 | Gasket | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI 2801-143 | Door Doubler | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI 2801-145 | Hinge Pin | Butterfield Industries Inc | | 20 | Consumables / Hardware | PMA |
| BI 3451-1 | Air/Oil Separator | Butterfield Industries Inc | — | — | Consumables / Hardware | PMA |
| BI 3461-1 | Ejector Assembly | Butterfield Industries Inc | — | — | Consumables / Hardware | PMA |
| BI 3471-1 | Drain Sump Assembly | Butterfield Industries Inc | — | — | Consumables / Hardware | PMA |
| BI 4020-1 | Oil Residue Collection System | Butterfield Industries Inc | | 79 | Engine / Fuel | PMA |
| BI 6001-3 | Air/Oil Separator System | Butterfield Industries Inc | | 79 | Engine / Fuel | PMA |
| BI 6101-1 | Air-Oil Separator Assy | Butterfield Industries Inc | | — | Unknown | PMA |
| BI 6102-1 | Tee Assembly | Butterfield Industries Inc | — | — | Consumables / Hardware | PMA |
| BI 6102-3 | Y Assembly | Butterfield Industries Inc | — | — | Consumables / Hardware | PMA |
| BI 9501-001 | Inspection Panel Kit | Butterfield Industries Inc | | 25 | Interior / Furnishings | PMA |
| BI-1001 | Flow Through Inlet Anti-Icing System | Butterfield Industries Inc | — | 30 | Electromechanical | PMA |
| BI-1011 | Engine Drain Sump Kit | Butterfield Industries Inc | | 79 | Consumables / Hardware | PMA |
| BI-2801-101 | Pan, Fuel Point | Butterfield Industries Inc | | 25 | Interior / Furnishings | PMA |
| BI-2802-133 | Door | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI-2802-135 | Hing Half | Butterfield Industries Inc | | 25 | Interior / Furnishings | PMA |
| BI-2802-137 | Hing Half | Butterfield Industries Inc | | 25 | Interior / Furnishings | PMA |
| BI-2802-139 | Spacer | Butterfield Industries Inc | | 20 | Consumables / Hardware | PMA |
| BI-2802-141 | Gasket | Butterfield Industries Inc | | 20 | Consumables / Hardware | PMA |
| BI-2802-143 | Door Doubler | Butterfield Industries Inc | | 52 | Structures | PMA |
| BI-2802-145 | Hing Pin | Butterfield Industries Inc | | 25 | Interior / Furnishings | PMA |
| BI-3401-1 | Oil Residue Collection System Kit | Butterfield Industries Inc | — | 79 | Engine / APU | PMA |
| BI-4002 | Engine Drain Sump Assembly | Butterfield Industries Inc | | 20 | Consumables / Hardware | PMA |
| BI-5601 | Residue Fluid Collection System | Butterfield Industries Inc | | 38 | Environmental / Cabin | PMA |
| BI-6101 | Air/Oil Separator Assembly | Butterfield Industries Inc | | 20 | Consumables / Hardware | PMA |
| BI-8015 | Oil Residue Collection System | Butterfield Industries Inc | | 79 | Engine Accessories | PMA |
| CI-3002-1, CI-3002-2. | Hose Assembly | Butterfield Industries Inc | | 29 | unknown | PMA |