AD 2023-10-05

final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.a. Helicopters

AD Number
2023-10-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2023-1049
FR Citation
88 FR 32956

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Leonardo S.p.a. Helicopters

Unsafe Condition

Incorrect installation of a bearing in the M/R pitch link upper rod end assembly part number 3G6230A01133, which could result in a crack in the assembly, failure of the assembly, and subsequent loss of control of the helicopter.

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

Required Actions

Inspect for a gap between the M/R pitch link upper rod end assembly bearing and the pitch control lever assembly. Depending on the results, replace or re-identify the M/R pitch link upper rod end assembly. Prohibit installing an affected M/R pitch link upper rod end assembly.

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

Compliance Time

Within 50 flight hours after the effective date of this AD.

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

Affected Aircraft

All Leonardo S.p.a. Model AB139 and AW139 helicopters.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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