{"id":"F2006B04520","name":"AD/BELL 206/67 - Tail Rotor Drive - Inspection of Clamp Type Bearing Hangars","slug":"ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114228,"registerId":"commonwealth-F2006B04520-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 206/67 - Tail Rotor Drive - Inspection of Clamp Type Bearing Hangars","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 206/67 Tail Rotor Drive - Inspection of Clamp Type Bearing Hangars\n\nApplicability: All models. with any of the following hangar assemblies: 206-040-338-5, 206-040-345-9 and 206-040-346-9.\n\nDocument: Bell SB 206-75-1 Accomplishment Part II. Compliance: Within 10 hour time in service after 19 March 1975. Background:              AD/Agusta 206/53 equivalent.\n\n\n4/75\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2117},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific mechanical component (clamp type bearing hangars) on specific helicopter models. It remains precisely scoped to its original purpose of preventing tail rotor drive failures through mandatory inspection."},"complexity_factors":["Single, unambiguous compliance action (inspection)","Limited applicability defined by three specific part numbers","Simple time-based compliance trigger with no conditional exceptions","Reference to external technical document rather than lengthy inline procedures"],"plain_english_summary":"**What this does:** This Airworthiness Directive mandates a safety inspection of specific bearing hangars on Bell 206 helicopters to prevent tail rotor system failures.\n\n**Who it affects:** Owners and operators of Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 series helicopters that have any of these specific hangar assemblies installed: part numbers 206-040-338-5, 206-040-345-9, or 206-040-346-9.\n\n**What must be done:** Inspect the clamp type bearing hangars on the tail rotor drive system following the procedures in Bell Service Bulletin 206-75-1, Part II.\n\n**Deadline:** Complete the inspection within 10 hours of flight time (time in service) after 19 March 1975.\n\n**Why it matters:** This targets a specific mechanical component to prevent potential failures in the tail rotor drive system, which is essential for helicopter stability and control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars","history":"/api/acts/ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars/history","analysis":"/api/acts/ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars/analysis","conflicts":"/api/acts/ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars/conflicts","importantCases":"/api/acts/ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars/important-cases","documents":"/api/acts/ad-bell-206-67-tail-rotor-drive-inspection-of-clamp-type-bearing-hangars/documents"}}