{"id":"F2006B07066","name":"AD/SM-205/8 - Forward Flap Down Control Cable - Modification","slug":"ad-sm-205-8-forward-flap-down-control-cable-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48813,"registerId":"commonwealth-F2006B07066-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SM-205/8 - Forward Flap Down Control Cable - Modification","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-205/8 Forward Flap Down Control Cable - Modification 3/71\n\nApplicability: All S205 series with S/Nos. 101 and subsequent. Document:  SIAI Marchetti SB 205B15.\n\nCompliance: Before 31 March 1971.\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\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 discrete, time-bound safety directive issued in 1971 (as indicated by the '3/71' suffix). It has not grown beyond its original purpose — it addresses one specific technical modification for one specific aircraft type. The scope remains precisely as intended: a targeted airworthiness requirement for a defined fleet with a hard compliance deadline."},"complexity_factors":["Extremely short document (under 150 words)","Only 4 defined elements: applicability (specific aircraft series/serial numbers), document reference (Service Bulletin), compliance deadline, and subject matter","No cross-references to other legislation or regulations beyond the enabling provision (Civil Aviation Regulations 1998, Part 39)","Single unconditional requirement with fixed deadline","No exceptions, exemptions, or conditional logic","Technical content refers to external manufacturer document rather than detailing modifications in the directive itself"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1998.\n\n**What it does:** It requires owners and operators of specific Italian-made aircraft (SIAI Marchetti S205 and S208 series planes) to modify the \"forward flap down control cable\" — a component that controls the flaps (the movable surfaces on the wings that help with takeoff and landing).\n\n**Who it affects:** \n- **Aircraft owners and operators** of SIAI Marchetti S205 series planes with serial numbers 101 and onwards\n- **Maintenance engineers** who service these aircraft\n\n**What must be done:** The modification must be carried out following the manufacturer's Service Bulletin (SB 205B15) and completed **before 31 March 1971**.\n\n**Why it matters:** Airworthiness Directives are legally enforceable safety instructions. If this modification isn't done, the aircraft cannot legally fly in Australian airspace. The directive addresses a specific technical issue with the flap control cable that could affect flight safety."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The supplied instrument plainly states its scope: it applies to SIAI Marchetti S205 series aircraft with serial numbers 101 and subsequent and mandates modification per SB 205B15 before 31 March 1971. The text provides no indication that the AD's scope has been altered from its original statement within the provided document."},"complexity_factors":["Very narrow applicability (S205 series, serial numbers 101 and subsequent). (Applicability line)","Single, discrete required action (modification of forward flap down control cable). (Title and document reference)","Firm, historical compliance deadline (before 31 March 1971). (Compliance line)","Reliance on an external technical document (SIAI Marchetti SB 205B15) for detailed procedures rather than including steps in the AD. (Document line)","Absence of procedural details in the AD itself (no certification, record-keeping or enforcement steps specified in the supplied text)","Limited text length reduces interpretive complexity but increases dependence on the referenced service bulletin for execution"],"plain_english_summary":"Operators of SIAI Marchetti S205 aeroplanes (serial numbers 101 and later) must have the forward flap “down” control cable modified per SIAI Marchetti SB 205B15 by 31 March 1971.  \n\nThe AD imposes a mandatory, one‑off maintenance action and associated costs/downtime on owners/operators and their maintenance providers, but the text supplied does not state the unsafe condition or specify enforcement/recordkeeping details."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sm-205-8-forward-flap-down-control-cable-modification","history":"/api/acts/ad-sm-205-8-forward-flap-down-control-cable-modification/history","analysis":"/api/acts/ad-sm-205-8-forward-flap-down-control-cable-modification/analysis","conflicts":"/api/acts/ad-sm-205-8-forward-flap-down-control-cable-modification/conflicts","importantCases":"/api/acts/ad-sm-205-8-forward-flap-down-control-cable-modification/important-cases","documents":"/api/acts/ad-sm-205-8-forward-flap-down-control-cable-modification/documents"}}