AD 2023-19-04

final rule
Data completeness: 70%

Airworthiness Directives; Aircraft Industries, a.s. Airplanes

AD Number
2023-19-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2023-1884
FR Citation
88 FR 65308

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within a specified time based on the affected part's hours time-in-service (TIS).

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Aircraft Industries, a.s. Model L-420, L 410 UVP-E20, and L 410 UVP-E20 CARGO airplanes.

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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