AD 2024-23-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | S | Airworthiness Directives; Embraer S.A. Airplanes |
Unsafe Condition
Corrosion, damage, and rupture have been found on down lock spring assemblies of the main landing gear (MLG) and nose landing gear (NLG), which, under specific load conditions on the ground, may compromise the locking and holding of the MLG and NLG in their correct kinematics positions. Failure of these down lock springs could cause a non-annunciated loss of down locking capability, which may collapse the MLG and the NLG structure during takeoff or landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting for affected MLG and NLG down lock springs and replacing affected down lock springs, and prohibiting the installation of affected parts, as specified in an Agência Nacional de Aviação Civil (ANAC) AD, which is incorporated by reference.
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Compliance Time
Before further flight
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Affected Aircraft
Embraer S.A. Model EMB-545 and EMB-550 airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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