AD 71-17-04 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aermacchi S.p.A. | S.205 - 18/F | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 18/R | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 20/F | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 20/R | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 22/R | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.208 | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.208A | Airworthiness Directives; Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A Airplanes |
Unsafe Condition
Failure of the main landing gear due to cracks in the main landing gear wheel axle-to-strut-tube fittings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually check the main landing gear wheel axle-to-strut-tube fittings using a 5-power magnifying glass, inspect with dye penetrant method, and replace cracked parts with new parts of the same part number if cracks are found on the lateral external area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight unless already accomplished within the last 50 hours time-in-service, and thereafter at intervals not to exceed 100 hours time-in-service. For dye penetrant inspections, within the next 50 hours time-in-service after the AD's effective date if not done within the last 450 hours, then every 500 hours. If cracks are found, specific compliance timelines apply as per paragraphs (c) and (d).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Siai-Marchetti Models S.205-18/F, S.205-18/R, S.205-20/F, S.205-20/R, S.205-22/R, S.208, and S.208A airplanes (all serial numbers).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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