AD 56-04-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Champion Aircraft Corp. | 7EC | Airworthiness Directives; Champion Model 7EC Aircraft |
Unsafe Condition
Cracks at the ears of the front and rear control stick socket castings (P/N 2-705) where the push-pull tube attaches could result in failure of the control system.
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Required Actions
Inspect front and rear control stick socket castings (P/N 2-705) for cracks at the ears. Replace cracked castings. Replace standard AN bolts, nuts, and washers with a clevis bolt AN 24-16 (11/16 grip) and AN 320-4 shear nut.
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Compliance Time
as soon as practicable but not later than April 1, 1956
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Affected Aircraft
American Champion Aircraft Corp. Model 7EC Aircraft, Serial Numbers 300 to 370 Inclusive
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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