AD 75-17-23 R2
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aermacchi S.p.A. | S.205 - 18/F | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 18/R | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 20/F | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 20/R | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 22/R | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.208 | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
| aircraft | Aermacchi S.p.A. | S.208A | Airworthiness Directives; Siai-Marchetti Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A Airplanes |
Unsafe Condition
Cracks in the internal wing rib brackets (P/N 205-3-033-18 and 205-3-034-18) could result in failure of the landing gear operating mechanism.
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Required Actions
Inspect the internal wing rib brackets for cracks in accordance with Service Bulletin 205B37D. If cracks exceed 10 mm (0.394 inch), replace the brackets with new ones of the same part number and replace associated washers (P/N AN960-516L) with new countersunk washers (P/N 205-3-053-16). Continue inspections until brackets are replaced with P/N 205-3-313-11 and 205-3-313-12.
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Compliance Time
Within the next 25 hours time in service after the effective date of this AD, unless already accomplished within the last 75 hours time in service, and thereafter at intervals not to exceed 100 hours time in service from the last inspection.
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Affected Aircraft
Aermacchi S.p.A. Models S205-18F, S205-18R, S205-20F, S205-20R, S205-22R, S208, and S208A airplanes certificated in any category.
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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