Airworthiness Directives › 2026-17-07
AD 2026-17-07: Leonardo S.p.A. Helicopters
Published August 28, 2026 · effective October 2, 2026 · 91 FR 55449 · Docket No. FAA-2026-4647
What the FAA requires
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model A109A, A109A II, A109C, A109K2, A109E, A119, and AW119 MKII helicopters; and certain Model A109S and AW109SP helicopters. This AD was prompted by a report of an incorrectly installed swashplate duplex bearing (bearing). This AD requires a one- time inspection of the bearing and depending on the result, corrective action. This AD also prohibits the installation of an affected bearing unless certain requirements are met. The FAA is issuing this AD to address the unsafe condition on these products.
Applicability
This AD applies to Leonardo S.p.A. Model A109A, A109A II, A109C, A109K2, A109E, A109S, A119, AW109SP and AW119 MKII helicopters, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2025-0148, dated July 11, 2025 (EASA AD 2025-0148). (d) Subject Joint Aircraft System Component (JASC) Code 6230, Main rotor mast/swashplate. (e) Unsafe Condition This AD was prompted by a report of an incorrectly installed swashplate duplex bearing (bearing). The FAA is issuing this AD to detect and correct improper installation of the bearing. The unsafe condition, if not addressed, could result in failure of the bearing and loss of control of the helicopter. (f) Compli
Part numbers this directive names (1)
Extracted from the directive text. For each: the NSN cross-reference where one exists, sellers listing it here, and open DLA solicitations on the NSN.
| Part number | NSN | Sellers here | Open DLA RFQs | |
|---|---|---|---|---|
| 109-0110-35-3 | — | 0 | — | Find it → |
Rulemaking history
- Proposed rule (NPRM) published May 28, 2026 · read
- Final rule published August 28, 2026, effective October 2, 2026
Other recent directives, Leonardo S.p.A. Helicopters
- AD 2026-09-09 2026-05-13
- AD 2026-09-05 2026-05-13
- AD 2026-04-03 2026-02-26
- AD 2026-02-05 2026-01-22
- AD 2025-25-13 2025-12-29
- AD 2025-19-10 2025-09-24
- AD 2025-18-01 2025-09-10
- AD 2025-17-10 2025-08-25
Source: Federal Register, FAA final rules under 14 CFR part 39, refreshed daily. Part numbers are extracted from the directive text by pattern and may include service-bulletin or kit numbers; the directive itself is the authority. Watch any part number on its page and we email you when a new directive or service difficulty report names it.
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