| Item | Part No. | Part Name | Qty | Serial No. |
| 22U-979-2300 | DUCT ASS'Y | B20001-B20199 | ||
| 1 | \6\ | DUCT | B20001-B20199 | |
| 2 | 22U-979-2351 | DEFROSTER ASS'Y | B20001-B20199 | |
| 3 | 01370-40408 | SCREW | B20001-B20199 | |
| 4 | 01435-00612 | BOLT | B20001-B20199 | |
| 5 | 20Y-979-6222 | DUCT | B20001-B20199 | |
| 6 | 01435-40612 | BOLT | B20001-B20199 | |
| 7 | 09970-00230 | PLATE | B20001-@ |