AD 2025-25-13

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.A. Helicopters

AD Number
2025-25-13
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2025-5392
FR Citation
90 FR 60559

Applicability

TypeManufacturerModelDetails
aircraft Leonardo S.p.A. Airworthiness Directives; Leonardo S.p.A. Helicopters

Unsafe Condition

Reports of trapped residue in the rear pneumatic line due to a non-optimal cleaning procedure during an engine shop visit.

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

Required Actions

Accomplish repetitive engine acceleration checks and, depending on the results, replace the rear pneumatic line and inspect the fuel control unit (FCU), and accomplish any necessary corrective actions. Replace certain parts if the engine acceleration check exceeds the maximum limit, which terminates the repetitive acceleration checks. If the limits do not exceed the maximum limit, this AD would allow this replacement as an optional terminating action.

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

Compliance Time

Before further flight

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Affected Aircraft

Leonardo S.p.A. Model A119 and AW119 MKII 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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