AD 47-43-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 120 | Airworthiness Directives; CESSNA Model 120 and 140 Seaplanes |
| aircraft | Cessna Aircraft Company | 140 | Airworthiness Directives; CESSNA Model 120 and 140 Seaplanes |
Unsafe Condition
Racking loads from rough water operation on CESSNA Model 120 and 140 seaplanes operated without spreader struts between floats can cause extensive structural damage to joints, fittings, and spars.
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Required Actions
Replace loose/sheared rivets with AD-5 rivets and install 0.040-inch alclad channel if panel damaged. Inspect/repair cracked fittings with stop drilling and alclad strips. Replace cracked spars/fittings. Install spreader struts and diagonal wires between floats. Add doubler and rivets to fuselage skin.
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Compliance Time
prior to January 1, 1948
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Affected Aircraft
Cessna Model 120 and 140 seaplanes operated without spreader struts between floats
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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