AD 88-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | SOCATA | TB 20 | Airworthiness Directives; Socata Model TB 20 and TB 21 Series Airplanes |
| aircraft | SOCATA | TB 21 | Airworthiness Directives; Socata Model TB 20 and TB 21 Series Airplanes |
Unsafe Condition
Interference between the moveable portions of the landing gear structure may prevent extension of the landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time-in-service, visually and tactilely inspect the main landing gear hinge ball joints for play or interference marks. If play or marks are found, modify the airplane as prescribed in SOCATA SB No. 30 before further flight. If no issues are found, modify the airplane within 100 hours time-in-service after the AD's effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time-in-service (TIS) and within 100 hours TIS after the effective date of this AD, as applicable.
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Affected Aircraft
Socata Models TB 20 and TB 21 (Serial numbers 275 through 709)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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