{"id":"F2006B11221","name":"AD/M20/13 - Replacement of Quadrant Cover and Flap Actuator Switch","slug":"ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56939,"registerId":"commonwealth-F2006B11221-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/M20/13 - Replacement of Quadrant Cover and Flap Actuator Switch","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/M20/13 Replacement of Quadrant Cover and\n\nFlap Actuator Switch\n\n\n12/69\n\n \n\nApplicability: All model M20C with S/N 690001 to 690021, Model M20E with S/N 690001 to 690025, Model M20F with S/N 690001, 690003 to 690032 and Model M20G with\n\nS/N 690001 to 690009.\n\n \n\nDocument: Mooney SB No. M20-171.\n\n \n\nCompliance: Within 100 hours time in service after 23 December 1969.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\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":1511},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive retains its original narrow scope: mandating a specific mechanical replacement for a defined subset of aircraft. There is no evidence of expansion beyond the original safety mandate."},"complexity_factors":["Single-page instrument with no sections, parts, or schedules","No defined terms or interpretation provisions","Applicability determined by simple enumeration of aircraft models and serial numbers","Single compliance requirement with unambiguous deadline","No exceptions, exemptions, or nested conditional logic"],"plain_english_summary":"This AD mandates replacing the flap quadrant cover and flap actuator switch on certain early-production Mooney M20C/E/F/G aircraft, as required by Mooney Service Bulletin M20-171.  \n\nOwners/operators of the affected serial-numbered aircraft must complete the replacements within 100 flight hours after 23 December 1969. It’s legally enforceable and corrects an unsafe flap-control condition that could impair flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch","history":"/api/acts/ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch/history","analysis":"/api/acts/ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch/analysis","conflicts":"/api/acts/ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch/conflicts","importantCases":"/api/acts/ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch/important-cases","documents":"/api/acts/ad-m20-13-replacement-of-quadrant-cover-and-flap-actuator-switch/documents"}}