{"id":"F2006B04433","name":"AD/BELL 206/119 Amdt 1 - Main Rotor Flight Control System Bolts","slug":"ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44258,"registerId":"commonwealth-F2006B04433-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 206/119 Amdt 1 - Main Rotor Flight Control System Bolts","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\nAD/BELL 206/119\n\nAmdt 1\n\n  \nMain Rotor Flight Control System Bolts 8/90\n\nApplicability: All model Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters.\n\nRequirement: Action in accordance with Bell Alert Service Bulletin 206-89-48, 206L-89-61 or Agusta Bell Service Bulletin 206-190 as applicable.\n\nCompliance: 1. For Bell 206 and 206L series \\- At the next inspection for issue of a Maintenance Release after 30 April 1990 or by 30 October 1990, whichever occurs first.\n\nThereafter, reinspect at intervals not exceeding 24 calendar months.\n\n2. For Agusta Bell 206 series \\- At next inspection for issue of a Maintenance Release after 30 September 1990 or by 28 February 1991, whichever occurs first. Thereafter, reinspect at intervals not exceeding 24 calendar months.\n\nBackground: Bell has advised that some of the rotating control bolts have been found corroded, fretting and/or with excessive wear on the bolt shank. This amendment adds the Agusta 206 series to this Directive.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2173},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"This amendment expands the directive's coverage to include Agusta Bell 206 series helicopters, whereas the original directive only applied to Bell Helicopter Textron Canada (BHTC) 206 and 206L models."},"complexity_factors":["Short, single-issue directive with narrow applicability (specific helicopter models only)","Dual deadlines per aircraft type requiring comparison ('whichever occurs first' logic)","Technical requirements contained entirely in referenced external documents (Service Bulletins) not reproduced in the text","Simple recurring obligation (24-month inspection interval) with no exceptions or exemptions listed"],"plain_english_summary":"This mandatory Airworthiness Directive requires owners/operators of Bell 206/206L and Agusta Bell 206 helicopters to inspect the rotating control bolts in the main rotor flight control system for corrosion, wear, and fretting, following the manufacturer’s service bulletin instructions. Initial inspections must be done by the specified near-term maintenance dates and then at least every 24 months.\n\nIt matters because bolt failure could lead to loss of main-rotor control; this amendment adds Agusta-built 206s to the affected fleet."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts","history":"/api/acts/ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts/history","analysis":"/api/acts/ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts/analysis","conflicts":"/api/acts/ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts/conflicts","importantCases":"/api/acts/ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts/important-cases","documents":"/api/acts/ad-bell-206-119-amdt-1-main-rotor-flight-control-system-bolts/documents"}}