| AD Number | 57-20-01 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | N/A |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | American Champion Aircraft Corp. |
| Model(s) | 7FC |
57-20-01 CHAMPION: Applies to Model 7FC, Serial Numbers 2 to 56, Inclusive.
Compliance required at next periodic airplane inspection but not later than November 15, 1958.
To prevent the entry of fire and fumes into the cabin compartment in the event of a powerplant fire, install Champion fireproof steering link boot assembly P/N 2-1523 to the firewall with suitable fireproof screws.
(Champion Service Letter No. 31 covers this same subject.)