Airworthiness Directives › 2023-12-17
AD 2023-12-17: Pilatus Aircraft Ltd. Airplanes
Published July 3, 2023 · effective August 7, 2023 · 88 FR 42604 · Docket No. FAA-2023-0667
What the FAA requires
The FAA is superseding Airworthiness Directive (AD) 2022-19-03 which applied to Pilatus Aircraft Ltd. (Pilatus) Model PC-12, PC-12/45, PC-12/47, and PC-12/47E airplanes. AD 2022-19-03 required incorporating new revisions to the airworthiness limitation section (ALS) of the existing airplane maintenance manual (AMM) or Instructions for Continued Airworthiness (ICA) to establish a 5-year life limit for certain main landing gear (MLG) actuator bottom attachment bolts and new life limits for the rudder bellcrank. Since the FAA issued AD 2022- 19-03, the FAA determined that new or more restrictive tasks and limitations are necessary. This AD requires revising the ALS of the existing AMM or ICA for your airplane, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
Applicability
This AD applies to Pilatus Aircraft Ltd. Model PC-12, PC-12/45, PC-12/47, and PC-12/47E airplanes, all serial numbers, certificated in any category. (d) Subject Joint Aircraft System Component (JASC) Code 5511, Horizontal Stabilizer, Spar/Rib. (e) Unsafe Condition This AD was prompted by mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI states that failure to revise the airworthiness limitations section (ALS) of the existing aircraft maintenance manual (AMM) by introducing new and more restrictive instructions and maintenance tasks as specified in the compon
Part numbers this directive names
This directive does not name specific part numbers in its text; it applies by aircraft model. See the applicability above and the manufacturer's service bulletin it references.
Rulemaking history
- Proposed rule (NPRM) published April 11, 2023 · read
- Final rule published July 3, 2023, effective August 7, 2023
- Supersedes AD 2022-19-03
- Superseded by AD 2024-08-07 (April 29, 2024)
Other recent directives, Pilatus Aircraft Ltd. Airplanes
- AD 2026-17-11 2026-09-15
- AD 2026-15-12 2026-08-28
- AD 2026-15-07 2026-07-30
- AD 2026-12-01 2026-06-09
- AD 2026-07-10 2026-04-14
- AD 2025-20-02 2025-11-25
- AD 2025-10-10 2025-06-02
- AD 2024-08-07 2024-04-29
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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