{"id":"F2006B02326","name":"AD/AMD 10/11 - Emergency Landing Gear Control Actuating Spring - Modification","slug":"ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41556,"registerId":"commonwealth-F2006B02326-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AMD 10/11 - Emergency Landing Gear Control Actuating Spring - 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)  AMD Falcon 10 Series Aeroplanes\n\n \n\nAD/AMD 10/11 Emergency Landing Gear Control\n\nActuating Spring - Modification Applicability: All models with S/Nos. 1 to 134, except 126, 127, 129, 130 and 133. Document:               AMD SB BA F10-0173. (F10-32-023).\n\nCompliance: Before 30 April 1979.\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\n2/79\n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical component on a specific aircraft type. It has not expanded beyond its original purpose of mandating a safety modification to the emergency landing gear system."},"complexity_factors":["Extremely short document — only 1 substantive paragraph of requirements","No defined terms section — all terms are standard aviation terminology","Single, clear applicability clause with explicit serial number exceptions","Single compliance action (one modification) with one deadline","No cross-references to other legislation or complex conditional logic","References only one external technical document (service bulletin)","No exceptions to exceptions or nested conditions"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) for aircraft.\n\n**What it does:**\nRequires owners and operators of specific **AMD Falcon 10 series aeroplanes** to modify the **emergency landing gear control actuating spring**. This is a mechanical component that helps deploy the landing gear in an emergency situation.\n\n**Who it affects:**\n- All AMD Falcon 10 aircraft with **serial numbers 1 to 134**, **except** serial numbers 126, 127, 129, 130, and 133.\n- Aircraft operators, maintenance organisations, and owners of these specific planes.\n\n**What must be done:**\n- The modification must be carried out following the manufacturer's service bulletin: **AMD SB BA F10-0173** (also referenced as F10-32-023).\n- **Deadline:** Before 30 April 1979.\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety requirements. If the emergency landing gear system fails, pilots may be unable to lower the wheels in an emergency — potentially causing a crash landing. This AD addresses a known defect or safety concern with the spring mechanism to ensure the landing gear can still be deployed manually if the normal system fails.\n\n**Key point:** This is not optional. Compliance is mandatory for continued legal operation of the aircraft in Australian airspace."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The text provides a single, narrowly framed airworthiness directive with specified applicability and a compliance deadline. It does not include information that indicates a change in scope from an earlier instrument or original intent. The directive applies only to Falcon 10 aircraft with S/Nos. 1–134 except 126, 127, 129, 130 and 133, references the service document AMD SB BA F10-0173 for the modification, and mandates completion by 30 April 1979. (Applicability; Document; Compliance)"},"complexity_factors":["Narrow technical scope: single component modification (emergency landing gear control actuating spring). (title)","Clear applicability: specific serial number range with explicit exclusions simplifies identification of affected aircraft. (Applicability)","Single deadline: one fixed compliance date reduces phased-compliance complexity but concentrates implementation pressure. (Compliance)","Dependency on external technical document: detailed steps are in the referenced service bulletin (AMD SB BA F10-0173), requiring users to obtain and follow that document. (Document)","Limited procedural detail in the directive itself: the AD delegates technical specifics to the service bulletin, so legal text is short but practical compliance requires technical interpretation. (Document)"],"plain_english_summary":"This directive mandates a specific modification to the emergency landing‑gear control actuating spring on AMD Falcon 10 aeroplanes, using service bulletin AMD SB BA F10‑0173, to be completed by 30 April 1979. It applies to most Falcon 10s (serials 1–134 with a handful of exclusions); owners/operators must arrange and fund the work."}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification","history":"/api/acts/ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification/history","analysis":"/api/acts/ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification/analysis","conflicts":"/api/acts/ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification/conflicts","importantCases":"/api/acts/ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification/important-cases","documents":"/api/acts/ad-amd-10-11-emergency-landing-gear-control-actuating-spring-modification/documents"}}