AD 2011-20-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | Various | Airworthiness Directives; Empresa Brasileira de Aeronáutica S.A. (EMBRAER) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Empresa Brasileira de Aeronáutica S.A. (EMBRAER) Airplanes |
Unsafe Condition
The possibility of free-play between the mass balance weight and the elevator structure, which if not corrected could lead to elevator flutter and possible loss of airplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the bolts that attach the balance mass weights to the elevator structure following EMBRAER S.A. Phenom Service Bulletin No.: 505-55-0002, dated January 14, 2011.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 calendar months after October 31, 2011
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Affected Aircraft
Empresa Brasileira de Aeronáutica S.A. (EMBRAER) Model EMB-505 airplanes, all serial numbers (SN) through 50500023, 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 6, 2026
Rights: U.S. Government Public Domain
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