AD 2022-05-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | S | Airworthiness Directives; Embraer S.A. (Type Certificate Previously Held by Empresa Brasileira de Aeronáutica S.A.) Airplanes |
Unsafe Condition
The occurrence of corrosion in the mass-balance weights of the control surfaces, which may lead to loss of mass or detachment of the mass-balance weights, resulting in an unbalance control surface, which, in conjunction with certain flight conditions, could lead to flutter and possible loss of airplane control.
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Required Actions
Inspect the mass-balance weights of the elevators, ailerons, and rudder (flight control surfaces) and their attachment parts for corrosion and fragmentation, and take corrective actions if necessary, including cleaning and weighing certain mass-balances and installation or replacement, as applicable; and for certain other mass-balances for certain airplanes, replacement of those mass-balances.
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Compliance Time
Within 60 months since new
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Affected Aircraft
Embraer S.A. Model EMB-505 airplanes, certain serial-numbered airplanes, with mass-balance weights of the flight control surfaces and their attachment parts affected by corrosion and fragmentation.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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