{"id":"F2006B07049","name":"AD/SM-205/27 - Flap Control Arms P/Nos. 205-6-052-1, -03, -101 and -103 - Inspection","slug":"ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48774,"registerId":"commonwealth-F2006B07049-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SM-205/27 - Flap Control Arms P/Nos. 205-6-052-1, -03, -101 and -103 - 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-205/27 Flap Control Arms P/Nos. 205-6-052-1,\n\n-03, -101 and -103 - Inspection\n\n\n7/77\n\n \n\nApplicability: All models 205.\n\n \n\nRequirement: Visually inspect the reference P/No. flap control arms for cracks with the aid of a 10X glass or an approved dye penetrant technique.\n\n \n\nNote: RAI AD No. 77-91/S205-41 and SIAI MARCHETTI SB No. 205B47 refer to\n\nthis inspection.\n\n \n\nCompliance: Within 100 hours time in service after 31 July 1977.\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":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not indicate any change in scope from its stated requirements. It applies to all Model 205 aeroplanes and mandates a one-off inspection of the listed flap control arm part numbers within the specified 100-hour window after 31 July 1977 (Applicability; Requirement; Compliance). The AD’s references (Note) point implementers to related documents for further detail but do not expand or narrow the scope expressed in this text."},"complexity_factors":["Narrow technical scope: only four specific part numbers and one aircraft model (Applicability; Requirement).","Simple inspection methods specified (10X magnifier or approved dye-penetrant) reduce procedural complexity (Requirement).","Short, single compliance window with a clear deadline (within 100 hours TIS after 31 July 1977) lowers scheduling ambiguity but requires accurate hour tracking (Compliance).","Reference to an \"approved\" dye penetrant technique introduces minor procedural discretion about what counts as approved (Requirement).","Cross-references to other documents mean implementers must consult additional materials for fuller procedural or remedial details (Note)."],"plain_english_summary":"This airworthiness directive requires owners/operators of SIAI Marchetti Model 205 aircraft to have specific flap control arms (P/Ns 205‑6‑052‑1, ‑03, ‑101, ‑103) inspected for cracks within 100 hours TIS after 31 July 1977, using either a 10× magnifier or an approved dye‑penetrant technique. It’s aimed at detecting structural defects before in‑service failure, places inspection cost and scheduling on operators/maintenance providers, and cross‑references related RAI and SIAI Marchetti guidance for implementation."},"kimi_summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive from 1977 with a single specific purpose. It has not expanded beyond its original scope of requiring a one-time inspection of specific aircraft parts."},"complexity_factors":["Extremely short document (approximately 150 words)","Only 4 defined part numbers in the title","Single, straightforward requirement with two alternative inspection methods","No cross-references to other legislation sections","Simple compliance deadline (100 hours after fixed date)","No conditional logic, exceptions, or nested provisions","Single applicability criterion (all models 205)"],"plain_english_summary":"This is an **Airworthiness Directive** (a mandatory safety order) issued by Australia's Civil Aviation Safety Authority for certain Italian-made aeroplanes.\n\n**What it does:**\nOrders owners and operators of **SIAI Marchetti S205 series aircraft** to inspect specific flap control arms (parts numbered 205-6-052-1, -03, -101 and -103) for cracks. The inspection must be done either with a magnifying glass (10x magnification) or using a special dye penetrant technique that makes cracks visible.\n\n**Who it affects:**\nAnyone who owns or operates any model of the SIAI Marchetti S205 aeroplane — a light aircraft originally manufactured in Italy.\n\n**Why it matters:**\nFlap control arms are critical components that help control the aircraft's flaps (the moving surfaces on the wings that help with takeoff and landing). Cracks in these parts could lead to flap failure, potentially causing loss of control during critical flight phases. This directive was issued after safety concerns were identified, with reference to an Italian manufacturer service bulletin and a US Federal Aviation Administration directive.\n\n**The deadline:**\nThe inspection had to be completed within 100 hours of flying time after 31 July 1977."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection","history":"/api/acts/ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection/history","analysis":"/api/acts/ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection/analysis","conflicts":"/api/acts/ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection/conflicts","importantCases":"/api/acts/ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection/important-cases","documents":"/api/acts/ad-sm-205-27-flap-control-arms-p-nos-205-6-052-1-03-101-and-103-inspection/documents"}}