AD 72-07-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | True Flight Holdings LLC | AA-1 | Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes |
| aircraft | True Flight Holdings LLC | AA-1A | Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes |
| aircraft | True Flight Holdings LLC | AA-1B | Airworthiness Directives; Grumman-American Aviation Model AA-1, AA-1A, and AA-1B Airplanes |
Unsafe Condition
Wear on the outer surface of the elevator bungee housing assembly and loose rivets in the shear link could result in structural failure of the elevator control system.
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Required Actions
Visually inspect the shear link for loose rivets and the bungee housing outer surface at the support bearing for excessive wear. Replace parts with same part number or FAA-approved equivalent if wear exceeds 0.016 inches or rivets are loose before further flight.
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Compliance Time
within the next 25 hours in service after the effective date of this Airworthiness Directive unless already accomplished within the last 75 hours and thereafter at intervals not to exceed 100 hours in service from the last inspection
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Affected Aircraft
Grumman-American Aviation Models AA-1, AA-1A, and AA-1B certificated in all categories
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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