| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20Y-30-41160 | STEP | B31800- | |
| 2 | 01010-81660 | BOLT | B31800- | |
| 3 | 01643-31645 | WASHER | B31800- | |
| 4 | 01580-11613 | NUT | B31800- | |
| 5 | 20Y-30-82560 | STEP | B31800- | |
| 6 | 01010-81675 | BOLT | B31800- | |
| 7 | 01643-31645 | WASHER | B31800- | |
| 8 | 01580-11613 | NUT | B31800- | |
| 9 | 20Y-30-82570 | STEP | B31800- | |
| 10 | 01010-81635 | BOLT | B31800- | |
| 11 | 01643-31645 | WASHER | B31800- |