{"id":"F2006B11233","name":"AD/M20/26 - Landing Gear Actuator - Replacement","slug":"ad-m20-26-landing-gear-actuator-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56953,"registerId":"commonwealth-F2006B11233-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/M20/26 - Landing Gear Actuator - Replacement","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/M20/26 Landing Gear Actuator - Replacement 2/77\n\nApplicability: Model M20J with S/Nos. 240002 to 240041. Document:  Mooney SB No. M20-194.\n\nCompliance: Within 200 hours time in service after 31 March 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\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":725},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a discrete, narrow maintenance directive targeting a specific aircraft model and serial number range. It has not expanded beyond its original purpose of mandating a landing gear actuator replacement."},"complexity_factors":["No defined terms section","Single unconditional requirement with clear applicability criteria","No cross-references to other legislation beyond the enabling Civil Aviation Regulations","Straightforward compliance deadline calculation (200 hours time-in-service after fixed date)"],"plain_english_summary":"**What this document does:**\nThis is a mandatory safety instruction (called an **Airworthiness Directive**) requiring owners of specific Mooney M20J aeroplanes to replace their landing gear actuators.\n\n**Who it affects:**\nOnly applies to Mooney Model M20J aircraft with serial numbers 240002 through 240041.\n\n**What must be done:**\nThe landing gear actuator must be replaced in accordance with Mooney Service Bulletin M20-194.\n\n**When it must be done:**\nWithin 200 hours of flight time after 31 March 1977.\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety orders. Failing to comply means the aircraft cannot legally fly. This specific directive addresses a safety defect in the landing gear system for this particular batch of aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-m20-26-landing-gear-actuator-replacement","history":"/api/acts/ad-m20-26-landing-gear-actuator-replacement/history","analysis":"/api/acts/ad-m20-26-landing-gear-actuator-replacement/analysis","conflicts":"/api/acts/ad-m20-26-landing-gear-actuator-replacement/conflicts","importantCases":"/api/acts/ad-m20-26-landing-gear-actuator-replacement/important-cases","documents":"/api/acts/ad-m20-26-landing-gear-actuator-replacement/documents"}}