AD 66-29-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aermacchi S.p.A. | S.205 - 18/F | Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 18/R | Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 20/F | Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 20/R | Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes |
| aircraft | Aermacchi S.p.A. | S.205 - 22/R | Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes |
Unsafe Condition
Cracks on the rear spar web adjacent to the aileron outboard hinge bracket bolts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the rear spar web for cracks in accordance with Siai Service Bulletin No. 205B4 within 10 hours' time in service after the effective date (November 23, 1966), unless already done within the last 90 hours' time in service. Repeat inspections at intervals not exceeding 100 hours' time in service. If cracks are found, modify the rear spar with a reinforcement as per Service Bulletin 205B4 or an FAA-approved equivalent before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the last 90 hours' time in service, and thereafter at intervals not to exceed 100 hours' time in service from the last inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Siai-Marchetti Model S.205 Airplanes, Serial Numbers 101 through 222, 224, 228, 229, 231 through 233.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rear Spar Web
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-29-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-29-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes Subject: Rear Spar Web Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/23/1966 Make: Aermacchi S.p.A. Model: S.205 - 18/F | S.205 - 18/R | S.205 - 20/F | S.205 - 20/R | S.205 - 22/R Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 66-29-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-313 AD NUMBER: 66-29-03 SUBJECT HEADING: Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes ACTION: SUMMARY: DATES: Effective November 23, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-29-03 SIAI-MARCHETTI: Amdt. 39-313 Part 39 Federal Register November 23, 1966. Applies to Model S.205 Airplanes, Serial Numbers 101 through 222, 224, 228, 229, 231 through 233. Compliance required as indicated. To detect cracks on the rear spar web at areas adjacent to the aileron outboard hinge bracket bolts, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the last 90 hours' time in service, and thereafter at intervals not to exceed 100 hours' time in service from the last inspection, visually inspect the rear spar web for cracks in accordance with Siai Service Bulletin No. 205B4, dated September 14, 1966. If cracks are detected during this inspection, comply with (b) of this AD before further flight. (b) Modify the rear spar by incorporating a reinforcement as set forth in paragraph (b) of Siai Service Bulletin No. 205B4, dated September 14, 1966, or an FAA-approved equivalent. (c) The repetitive inspections required by (a) of this AD may be discontinued after the rear spar is reinforced in accordance with (b) of this AD. This directive effective November 23, 1966. FOOTER:
Document Text
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AD Final Rules - DRS_66-29-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-29-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes Subject: Rear Spar Web Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/23/1966 Make: Aermacchi S.p.A. Model: S.205 - 18/F | S.205 - 18/R | S.205 - 20/F | S.205 - 20/R | S.205 - 22/R Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 66-29-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-313 AD NUMBER: 66-29-03 SUBJECT HEADING: Airworthiness Directives; Siai-Marchetti Model S.205 Airplanes ACTION: SUMMARY: DATES: Effective November 23, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-29-03 SIAI-MARCHETTI: Amdt. 39-313 Part 39 Federal Register November 23, 1966. Applies to Model S.205 Airplanes, Serial Numbers 101 through 222, 224, 228, 229, 231 through 233. Compliance required as indicated. To detect cracks on the rear spar web at areas adjacent to the aileron outboard hinge bracket bolts, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the last 90 hours' time in service, and thereafter at intervals not to exceed 100 hours' time in service from the last inspection, visually inspect the rear spar web for cracks in accordance with Siai Service Bulletin No. 205B4, dated September 14, 1966. If cracks are detected during this inspection, comply with (b) of this AD before further flight. (b) Modify the rear spar by incorporating a reinforcement as set forth in paragraph (b) of Siai Service Bulletin No. 205B4, dated September 14, 1966, or an FAA-approved equivalent. (c) The repetitive inspections required by (a) of this AD may be discontinued after the rear spar is reinforced in accordance with (b) of this AD. This directive effective November 23, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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