{"id":"F2006B02371","name":"AD/AMD 20/4 - Auxiliary Power Unit Fuel Filter","slug":"ad-amd-20-4-auxiliary-power-unit-fuel-filter","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41601,"registerId":"commonwealth-F2006B02371-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AMD 20/4 - Auxiliary Power Unit Fuel Filter","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 Fan Jet Falcon (Falcon 20/Mystere-Falcon 200) Series Aeroplanes\n\n \n\nAD/AMD 20/4 Auxiliary Power Unit Fuel Filter 2/69\n\nApplicability: All models fitted with Microturbo APU Type 006 with S/Nos. 101 to 124 having fuel filters P/N 56-302.\n\n \n\nRequirement: Action in accordance with Microturbo SB No. 49-10-08. Compliance: Forthwith.\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":2054},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This remains a targeted technical safety directive addressing a specific defective fuel filter configuration. The scope is limited to the original safety-critical defect identified in the referenced service bulletin and has not expanded beyond the specific APU serial numbers and part numbers originally affected."},"complexity_factors":["Single, unambiguous technical requirement","Immediate compliance with no conditional timelines or exceptions","Narrow applicability limited to specific serial numbers (101-124) and one part number (P/N 56-302)","Reference to only one external technical document (Microturbo SB No. 49-10-08)"],"plain_english_summary":"This compulsory CASA Airworthiness Directive requires immediate compliance with Microturbo Service Bulletin No. 49-10-08 to correct a potential defect in APU fuel filters.  \n\nIt affects owners/operators of Falcon 20 and Mystere‑Falcon 200 series aircraft fitted with Microturbo Type 006 APUs (S/N 101–124) that have fuel filter P/N 56‑302 installed. The action prevents APU failure, fuel leaks, or fire risk by ensuring the identified defective filters are inspected/repaired or replaced."}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-20-4-auxiliary-power-unit-fuel-filter","history":"/api/acts/ad-amd-20-4-auxiliary-power-unit-fuel-filter/history","analysis":"/api/acts/ad-amd-20-4-auxiliary-power-unit-fuel-filter/analysis","conflicts":"/api/acts/ad-amd-20-4-auxiliary-power-unit-fuel-filter/conflicts","importantCases":"/api/acts/ad-amd-20-4-auxiliary-power-unit-fuel-filter/important-cases","documents":"/api/acts/ad-amd-20-4-auxiliary-power-unit-fuel-filter/documents"}}