{"id":"F2006B04515","name":"AD/BELL 206/60 Amdt 1 - Flight Control System Bolts - Inspection and Replacement","slug":"ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114223,"registerId":"commonwealth-F2006B04515-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 206/60 Amdt 1 - Flight Control System Bolts - Inspection and Replacement","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\nBell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\n \n\nAD/BELL 206/60\n\nAmdt 1\n\nApplicability: All models.\n\n\nFlight Control System Bolts - Inspection and Replacement\n\n\n11/74\n\n \n\n# Document: Bell SB No. 206-04-2-74-1.\n\n \n\nNote: Agusta SB No. BT206-80 refers.\n\n \n\n# Compliance: As detailed in requirement document.\n\n \n\nNote: Helicopters complying with the previous issue of this Directive will require chamfering of the two outside faces of each clevis hole as per the descriptive paragraph of the requirement document.\n\n \n\n# Background: AD/Agusta 206/46 equivalent.\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2411},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"Amendment 1 adds a supplemental chamfering requirement for previously compliant aircraft but remains within the original scope of flight control system bolt safety maintenance."},"complexity_factors":["Actual compliance steps contained entirely in referenced external technical documents (Service Bulletins)","Conditional additional requirement applies only to aircraft already complying with previous directive","Technical aviation terminology (clevis, chamfering) without lay definitions","Dual manufacturer documentation paths (Bell and Agusta) for same aircraft type"],"plain_english_summary":"This mandatory CASA safety order requires all owners/operators of Bell 206 series helicopters (including Agusta-built) to inspect and replace specific flight-control bolts per Bell Service Bulletin No. 206-04-2-74-1 (or Agusta BT206-80). \n\nThe update adds a required chamfering of the two outside faces of each clevis hole where previous compliance was already done to prevent stress cracks and potential loss of control, aligning Agusta models with the equivalent European directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement","history":"/api/acts/ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement/history","analysis":"/api/acts/ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement/important-cases","documents":"/api/acts/ad-bell-206-60-amdt-1-flight-control-system-bolts-inspection-and-replacement/documents"}}