{"id":"F2006B02376","name":"AD/AMD 20/9 - Fuel Feeder Tank Levels and Wing Tank Pressurisation Drain","slug":"ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41606,"registerId":"commonwealth-F2006B02376-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AMD 20/9 - Fuel Feeder Tank Levels and Wing Tank Pressurisation Drain","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 20/9 Fuel Feeder Tank Levels and Wing\n\nTank Pressurisation Drain\n\n\n7/76\n\n \n\nApplicability: All models.\n\nRequirement: Action in accordance with AMD SBs No. 554 and No. 555, (28-46 and 28-47).\n\nNote: Bureau Veritas AD 76-50-10 (B) refers.\n\nCompliance: Within 100 hours time in service after 30 July 1976.\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":1841},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive remains tightly focused on its original purpose: correcting specific fuel system deficiencies in Falcon 20 series aircraft. It has not expanded beyond this narrow technical safety mandate."},"complexity_factors":["Very short directive (under 100 words) with single, unambiguous requirement","References two external technical documents (Service Bulletins 554 and 555)","No subsections, conditional clauses, or nested exceptions","Straightforward compliance deadline with simple calculation method (flight hours)"],"plain_english_summary":"This Airworthiness Directive is a mandatory safety order for **Dassault Falcon 20 and Mystere-Falcon 200 series aircraft** (business jets).\n\n**What owners must do**\n- Inspect and repair the fuel feeder tank levels and wing tank pressurisation drain systems\n- Follow the exact technical procedures in manufacturer Service Bulletins No. 554 and 555 (references 28-46 and 28-47)\n\n**Why this matters**\nThese fixes address specific fuel system defects that could cause dangerous in-flight emergencies if left unaddressed.\n\n**Compliance deadline**\nThe work had to be completed within 100 flight hours after 30 July 1976.\n\n**Key terms explained**\n- *Airworthiness Directive*: A compulsory legal order requiring aircraft owners to correct unsafe design flaws\n- *Service Bulletin*: Official repair instructions issued by the aircraft manufacturer\n- *Time in service*: Actual hours the aircraft has spent flying (not just calendar days)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain","history":"/api/acts/ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain/history","analysis":"/api/acts/ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain/analysis","conflicts":"/api/acts/ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain/conflicts","importantCases":"/api/acts/ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain/important-cases","documents":"/api/acts/ad-amd-20-9-fuel-feeder-tank-levels-and-wing-tank-pressurisation-drain/documents"}}