AD 2023-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aircraft | Industries, a.s. | Airworthiness Directives; Aircraft Industries, a.s. Airplanes |
Unsafe Condition
Fractured brake pressure plates in the main landing gear (MLG) wheel brake unit, caused by an improper (re-)design of certain pressure plates installed on specific serial numbers of MLG wheel brake unit part number K38-1200-7.
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Required Actions
Replace all affected MLG wheel brake units with serviceable parts as defined in the MCAI. Prohibit installing MLG wheel brake unit P/N K38-1200-7 with serial numbers XXX-35, XXX-36, XXX-37, or XXX-38 on any airplane.
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Compliance Time
Within a specified time based on the affected part's hours time-in-service (TIS).
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Affected Aircraft
Aircraft Industries, a.s. Model L-420, L 410 UVP-E20, and L 410 UVP-E20 CARGO airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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