AD 87-03-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | SOCATA | TB 10 | Airworthiness Directives; Socata Model TB 10, TB 20, and TB 21 Series Airplanes |
| aircraft | SOCATA | TB 20 | Airworthiness Directives; Socata Model TB 10, TB 20, and TB 21 Series Airplanes |
| aircraft | SOCATA | TB 21 | Airworthiness Directives; Socata Model TB 10, TB 20, and TB 21 Series Airplanes |
Unsafe Condition
Loose stabilator rod ends and rivets may result in loss of pitch control.
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Required Actions
Inspect the stabilator actuator rod ends and rivets for relative motion prior to further flight and each 100 hours time-in-service thereafter. Repair or replace the stabilator actuator rod assembly with modified parts as described in SOCATA S/B No. 29, using threaded fasteners instead of rivets.
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Compliance Time
Prior to further flight, and each 100 hours time-in-service thereafter until repaired or replaced.
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Affected Aircraft
Socata Models TB 10, TB 20, and TB 21 (Serial Numbers 1 through 709)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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