AD 2021-24-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | SOCATA | TB 20 and TB 21 | Airworthiness Directives; Daher Aerospace (Type Certificate Previously Held by SOCATA) Airplanes |
| aircraft | Socata | Various | Airworthiness Directives; Daher Aerospace (Type Certificate Previously Held by SOCATA) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Daher Aerospace (Type Certificate Previously Held by SOCATA) Airplanes |
Unsafe Condition
cracks on the main landing gear (MLG) legs
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
repetitively inspect the MLG area for cracks and perform any rework and repair
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before the MLG exceeds 16,000 landings since first installation on an airplane or within 200 landings after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 3,200 landings
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Daher Aerospace (type certificate previously held by SOCATA) Model TB 20 and TB 21 airplanes, all serial numbers, certificated in any category
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.