AD 2007-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Air | Tractor, Inc. Model AT-602 | Airworthiness Directives; Air Tractor, Inc. Model AT-602 Airplanes |
Unsafe Condition
Cracks in the horizontal stabilizer brace tube assembly, part number 30012-7, which could result in failure of the horizontal stabilizer and affect the ability to control pitch with consequent loss of control.
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Required Actions
Install access holes for visual inspection of the P/N 30012-7 horizontal stabilizer brace tube assembly. Conduct a detailed visual inspection for cracks in the P/N 30012-7 horizontal stabilizer brace tube assembly. If cracks are found, replace the horizontal stabilizer brace tube assembly with a new design horizontal stabilizer brace tube assembly.
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Compliance Time
Within 60 days after June 12, 2007, or upon accumulating 2,000 hours time-in-service (TIS), whichever occurs later. Repetitive inspections must be conducted thereafter at intervals not to exceed 100 hours.
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Affected Aircraft
Air Tractor, Inc. Model AT-602 airplanes, all serial numbers through 602-0695, with horizontal stabilizer brace tube assembly, part number (P/N) 30012-7, installed, and certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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