{"id":"F2006B07056","name":"AD/SM-205/34 Amdt 1 - Wing Rear Spar - Inspection","slug":"ad-sm-205-34-amdt-1-wing-rear-spar-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48789,"registerId":"commonwealth-F2006B07056-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SM-205/34 Amdt 1 - Wing Rear Spar - Inspection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  SIAI Marchetti S205 and S208 Series Aeroplanes\n\n \n\nAD/SM-205/34\n\nAmdt 1\n\n\nWing Rear Spar - Inspection 3/84\n\n \n\nApplicability: All models S205-18/F, S205-20F; S205-18/R, S205-20/R, S205-22/R, S208, S208A.\n\n \n\nRequirement: SIAI-Marchetti S.B. No. 205B57.\n\n \n\nCompliance: Unless already accomplished, before further flight and thereafter at intervals not exceeding 50 hours time in service.\n\n \n\nBackground: a. The manufacturer has received reports of cracking in the wing rear spar at the locations described above.\n\n \n\nb. This Directive has been amended to reflect the revised Aircraft Applicability and Requirement Document reissue.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive amendment. The document explicitly states it was amended only to update the aircraft applicability list and reference the revised manufacturer documentation. This is a technical clarification within the original safety purpose, not an expansion of scope."},"complexity_factors":["Very short document (approximately 200 words)","Only 1 defined term implicitly used ('time in service')","No cross-references to other legislation beyond a single manufacturer service bulletin reference","Simple conditional logic: 'Unless already accomplished' is the only condition","Single compliance requirement with clear timing (before further flight + 50-hour intervals)","Narrow, specific applicability (8 specific aircraft models only)"],"plain_english_summary":"This is an **Airworthiness Directive** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) that requires aircraft owners and operators to perform specific inspections or repairs.\n\n**What it does:**\n- Requires inspection of the **wing rear spar** (a critical structural beam that runs through the wing) on specific SIAI Marchetti aircraft models\n- Mandates compliance with the manufacturer's Service Bulletin 205B57\n\n**Who it affects:**\n- Owners and operators of these specific aircraft models:\n  - S205-18/F, S205-20F\n  - S205-18/R, S205-20/R, S205-22/R\n  - S208, S208A\n\n**What must be done:**\n- **Immediately:** Before the aircraft flies again, the inspection must be completed (unless already done)\n- **Ongoing:** The inspection must be repeated every **50 hours of flight time** (\"time in service\")\n\n**Why it matters:**\nThe manufacturer received reports of **cracks developing in the wing rear spar** — a serious safety issue that could lead to structural failure. This directive prevents accidents by catching cracks before they become dangerous. The directive was updated (Amendment 1) to clarify which aircraft models are covered and to reference the latest manufacturer documentation."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"The Directive was amended to reflect a reissue of the Aircraft Applicability and the Requirement Document. This amendment alters the Directive’s applicable fleet and/or the referenced requirement document compared with the previous text, so affected operators must verify the revised applicability and follow the reissued service bulletin. (Background b)"},"complexity_factors":["Reference to an external document (SIAI‑Marchetti Service Bulletin No. 205B57) for the detailed inspection procedure requires users to obtain and follow that document.","Recurring compliance requirement (inspection before next flight if not done, then every 50 hours TIS) requires scheduling and record-keeping.","Applies to multiple aircraft models, so operators must check individual aircraft applicability and log compliance for each affected airframe. (Applicability)","The Directive was amended to reflect a reissued applicability and requirement document, requiring operators to reconcile previous compliance actions with the amended scope. (Background b)","The AD states the inspection requirement but does not include repair criteria or approval mechanisms in the text, leaving follow-up actions to the service bulletin or maintenance approvals."],"plain_english_summary":"The instrument requires owners/operators and maintenance organisations of specified SIAI‑Marchetti models to inspect the wing rear spar using SIAI‑Marchetti Service Bulletin No. 205B57 — before the next flight if not already done and thereafter at intervals not exceeding 50 flight hours. It was issued because of reported spar cracking; inspection and any repairs (and their costs) fall to operators."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sm-205-34-amdt-1-wing-rear-spar-inspection","history":"/api/acts/ad-sm-205-34-amdt-1-wing-rear-spar-inspection/history","analysis":"/api/acts/ad-sm-205-34-amdt-1-wing-rear-spar-inspection/analysis","conflicts":"/api/acts/ad-sm-205-34-amdt-1-wing-rear-spar-inspection/conflicts","importantCases":"/api/acts/ad-sm-205-34-amdt-1-wing-rear-spar-inspection/important-cases","documents":"/api/acts/ad-sm-205-34-amdt-1-wing-rear-spar-inspection/documents"}}