{"id":"F2006B04508","name":"AD/BELL 206/52 - Heater Fuel Line P/N 206-070-231-1 - Inspection","slug":"ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114209,"registerId":"commonwealth-F2006B04508-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 206/52 - Heater Fuel Line P/N 206-070-231-1 - Inspection","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)  Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\n \n\nAD/BELL 206/52 Heater Fuel Line P/N 206-070-231-1 - Inspection 8/72\n\nApplicability: All models equipped with heater kit P/N 206-706-106-1, -3, -5 or -9. (SI 206-2, 206-\n\n43 or 206-77 refer).\n\n \n\nDocument: Bell SB No. 206-12-73-1.\n\n \n\nNote: Agusta SB No. BT206-66 refers.\n\n \n\nCompliance: Within 25 hours time in service after 25 July 1973 or at time of heater kit installations.\n\n \n\nBackground: AD/Agusta 206/39 equivalent.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1740},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a focused, single-issue directive addressing a specific component inspection on specific helicopter models. It maintains its original narrow scope of ensuring heater fuel line integrity and has not expanded beyond this safety-critical maintenance requirement."},"complexity_factors":["Single, specific compliance action (one-time inspection)","Clear applicability criteria based on four specific part numbers","No conditional exceptions, nested requirements, or alternative compliance methods","Cross-references external technical documents (Service Bulletins) for detailed inspection procedures rather than including them in the legislative text","Brief document with only one defined compliance timeframe"],"plain_english_summary":"This Airworthiness Directive requires a one-time inspection of the cabin-heater fuel line (P/N 206-070-231-1) on Bell 206 and Agusta Bell 206 helicopters fitted with heater kits P/N 206-706-106-1, -3, -5, or -9. The inspection must be done within 25 flight hours after July 25, 1973, or immediately when installing the kit after that date. It’s mandatory to prevent potential fuel leaks or fire; follow Bell Service Bulletin 206-12-73-1 for the inspection procedure."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection","history":"/api/acts/ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection/history","analysis":"/api/acts/ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection/analysis","conflicts":"/api/acts/ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection/conflicts","importantCases":"/api/acts/ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection/important-cases","documents":"/api/acts/ad-bell-206-52-heater-fuel-line-p-n-206-070-231-1-inspection/documents"}}