{"id":"F2006B11218","name":"AD/M20/10 - Main Landing Gear Retraction Truss - Inspection","slug":"ad-m20-10-main-landing-gear-retraction-truss-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56936,"registerId":"commonwealth-F2006B11218-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/M20/10 - Main Landing Gear Retraction Truss - 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)  Mooney M20 Series Aeroplanes\n\n \n\nAD/M20/10 Main Landing Gear Retraction Truss - Inspection 9/67\n\nApplicability: All model M20C with S/Nos. 3351 to 3466 and 470001; Model M20E with S/Nos. 1050 to 1308 and 670001, and Model M20F with S/Nos. 660003, 670001 to 670040.\n\n \n\nDocument: Mooney SB M20-142.\n\n \n\nCompliance: Within 100 hours time in service after 7 September 1967.\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1851},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope: a specific safety inspection for the main landing gear retraction truss on designated Mooney aircraft. It has not expanded beyond this targeted technical maintenance requirement."},"complexity_factors":["Extremely short text (under 150 words)","No defined terms or interpretation section","Applicability determined by simple aircraft model and serial number criteria","Single, unambiguous compliance requirement","No exceptions, exemptions, or nested conditional logic"],"plain_english_summary":"**What this is:** A mandatory safety instruction (called an Airworthiness Directive) requiring owners of specific Mooney aircraft to inspect a critical part of their landing gear system.\n\n**Who it affects:** Owners and operators of specific Mooney M20 aeroplanes with these serial numbers:\n- **Model M20C:** Serial numbers 3351 to 3466 and 470001\n- **Model M20E:** Serial numbers 1050 to 1308 and 670001\n- **Model M20F:** Serial numbers 660003 and 670001 to 670040\n\n**What you must do:** Inspect the **main landing gear retraction truss** — the metal framework that folds the wheels up into the aircraft after takeoff. The inspection must follow the technical procedures in Mooney Service Bulletin M20-142.\n\n**When:** Within 100 hours of flight time after 7 September 1967.\n\n**Why it matters:** This check ensures the landing gear structure is sound and won't fail during landing, which could cause a crash."}},"importantCases":[],"_links":{"self":"/api/acts/ad-m20-10-main-landing-gear-retraction-truss-inspection","history":"/api/acts/ad-m20-10-main-landing-gear-retraction-truss-inspection/history","analysis":"/api/acts/ad-m20-10-main-landing-gear-retraction-truss-inspection/analysis","conflicts":"/api/acts/ad-m20-10-main-landing-gear-retraction-truss-inspection/conflicts","importantCases":"/api/acts/ad-m20-10-main-landing-gear-retraction-truss-inspection/important-cases","documents":"/api/acts/ad-m20-10-main-landing-gear-retraction-truss-inspection/documents"}}