AD 76-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 200 | Beech Models 200, Military A100-1, and C-12A Airplanes |
| aircraft | Textron Aviation Inc. | A100-1 (U-21J) | Beech Models 200, Military A100-1, and C-12A Airplanes |
| aircraft | Textron Aviation Inc. | A200 (C-12A) | Beech Models 200, Military A100-1, and C-12A Airplanes |
Unsafe Condition
Inadequate edge distance on the bolt holes in the wing center section lower forward spar cap for attachment of the outer wing panel lower forward spar cap.
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Required Actions
Inspect for proper fit between the wings and center section at the lower forward spar attachment using a vernier caliper or depth gauge. Measure protrusion of the wing spar cap below the center section spar cap; if protrusion exceeds 0.10-inch, remove the wing and measure the edge distance of the wing attachment hole in the center section lower spar per Figure 1, then provide information to the manufacturer and operate or modify the airplane per FAA-approved limitations or manufacturer instructions.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Beech Models 200 (Serial Numbers BB-3 thru BB-19, BB-21 thru BB-38, BB-40, BB-41, BB-43 thru BB-75 and BB-78), Military A100-1 (U-21J) (same serial numbers as Models 200), and Model C-12A (Serial Numbers BC-1, BC-2, BC-3, BD-2 and BD-3)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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