AD 47-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Champion Aircraft Corp. | 11AC | Airworthiness Directives; Aeronca Model 7AC Airplanes |
| aircraft | American Champion Aircraft Corp. | 7AC | Airworthiness Directives; Aeronca Model 7AC Airplanes |
Unsafe Condition
The oleo strut assembly may separate in flight due to the use of a fiber piston.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the fiber piston with aluminum pistons.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at next periodic inspection but not later than August 1, 1947
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aeronca Model 7AC Airplanes, serial numbers 226 to 3721; and 11AC, serial numbers 1 to 351.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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