{"id":"F2006B02356","name":"AD/AMD 20/18 - Fuel Booster Crossfeed Valve Actuator","slug":"ad-amd-20-18-fuel-booster-crossfeed-valve-actuator","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41586,"registerId":"commonwealth-F2006B02356-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AMD 20/18 - Fuel Booster Crossfeed Valve Actuator","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 20/18 Fuel Booster Crossfeed Valve Actuator 5/86\n\nApplicability: Mystere Falcon 200 Model, all serial numbers. Requirement:  Action in accordance with:\n\n1. AMD/BA SB F200-64; or\n\n\n \n\n2.    Bureau Veritas AD 86-37-17(B). Compliance: Before issue of a Certificate of Airworthiness.\n\nBackground:  Water entrapment in crossfeed valve actuator may result in a dormant failure of the crossfeed valve, causing fuel starvation during crossfeed operation.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\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":3083},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose: remedying a specific mechanical defect in a single aircraft type's fuel system. There is no evidence of scope expansion into broader operational or maintenance requirements."},"complexity_factors":["Incorporation by reference to two external technical standards (service bulletin and foreign airworthiness directive)","No defined terms or interpretation section","Single, unconditional requirement","Technical aviation terminology requiring specialized knowledge to execute","Simple temporal trigger for compliance (single event-based deadline)"],"plain_english_summary":"This Airworthiness Directive requires all Mystere Falcon 200 aircraft in Australia to correct a fuel-system design fault where water can trap in the crossfeed valve actuator, causing it to fail in flight and risk engine fuel starvation. \n\nAffected operators must complete the prescribed repair by following either the manufacturer’s AMD/BA Service Bulletin F200-64 or Bureau Veritas AD 86‑37‑17(B) before a Certificate of Airworthiness is issued."}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-20-18-fuel-booster-crossfeed-valve-actuator","history":"/api/acts/ad-amd-20-18-fuel-booster-crossfeed-valve-actuator/history","analysis":"/api/acts/ad-amd-20-18-fuel-booster-crossfeed-valve-actuator/analysis","conflicts":"/api/acts/ad-amd-20-18-fuel-booster-crossfeed-valve-actuator/conflicts","importantCases":"/api/acts/ad-amd-20-18-fuel-booster-crossfeed-valve-actuator/important-cases","documents":"/api/acts/ad-amd-20-18-fuel-booster-crossfeed-valve-actuator/documents"}}