# AD 57-20-01: Fireproof Steering Link Boot

- Type: Airworthiness directive
- Status: Current
- Products: American Champion 7FC
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 187 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4375D92549E411AD86256A3800530A87.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/57-20-01

## The airworthiness directive

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.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-759](https://openairdocs.org/tcds/A-759): American Champion Aircraft Corp.; names 1 of 22 models: 7FC

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 187 (187 by airframe model, 0 by engine model)
- Makers: Champion 182, Aeronca 5

Models with the most aircraft:

- [Champion 7FC](https://openairdocs.org/model/champion-7fc): 164 aircraft (airframe model)
- [Champion AERONCA 7FC](https://openairdocs.org/model/champion-aeronca-7fc): 18 aircraft (airframe model)
- [Aeronca 7FC](https://openairdocs.org/model/aeronca-7fc): 5 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/57-20-01/models.md
Every aircraft: https://openairdocs.org/ad/57-20-01/aircraft.md

Its text cites no advisory circulars or STCs.

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