AD 2003-06-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, and AT-400A Airplanes |
Unsafe Condition
Cracks in the wing centerline splice joint could eventually result in the wing separating from the airplane during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect (one-time) the wing centerline splice joint for cracks. If any crack is found, replace the affected wing spar lower cap. Report the results of the inspection to the FAA. Replace the wing spar lower caps after a reduced amount of usage.
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Compliance Time
Within the reduced compliance time specified by this AD.
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Affected Aircraft
Air Tractor, Inc. Models AT-300, AT-301, AT-302, AT-400, and AT-400A airplanes with aluminum spar caps; certain AT-400 airplanes with aluminum spar caps; and all AT-300 and AT-301 airplanes with aluminum spar caps that are or have been converted to turbine power.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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