AD 2024-25-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | S | Airworthiness Directives; Embraer S.A. (Type Certificate Previously Held by Yaborã Indústria Aeronáutica S.A.; Embraer S.A.) Airplanes |
Unsafe Condition
Wear on the wing hinge bearing assembly of the aileron surfaces that could lead to excessive backlash, resulting in a limit cycle oscillation phenomenon exposing the surrounding structure and systems to unacceptable vibration levels and reducing airplane controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform repetitive general visual inspections of the press-fitted bushings of the left-hand (LH) and right-hand (RH) wing ailerons for migration and broken sealant; repetitive detailed inspections to measure the distance between the LH and RH wing aileron surfaces and hinge fittings; repetitive functional checks of the backlash of the LH and RH wing aileron control system; and applicable related investigative and corrective actions, as specified in ANAC AD 2023-05-02R1.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Embraer S.A. Model ERJ 190-400 airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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