AD 86-17-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | SOCATA | TB 20 | Airworthiness Directives; Socata Model TB20 Series Airplanes |
Unsafe Condition
Failure of the elevator trim tab control system attachment could result in loss of elevator trim control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the attachment of the elevator tab control to the elevator tab levers by following SOCATA Service Bulletin No. 24, including removing existing hardware, boring components to specified diameters, installing new bolts and lock plates, and verifying torque and deflection angles.
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Compliance Time
within 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
Socata Model TB20 (Serial Numbers up to and including No. 479) airplanes certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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