{"id":"F2006B04362","name":"AD/BELL 205/21 - Swashplate Scissors Lever Bolts - Inspection","slug":"ad-bell-205-21-swashplate-scissors-lever-bolts-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44183,"registerId":"commonwealth-F2006B04362-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 205/21 - Swashplate Scissors Lever Bolts - 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\nBell Helicopter Textron 205 Series Helicopters\n\n \n\nAD/BELL 205/21 Swashplate Scissors Lever Bolts - Inspection 9/74\n\nApplicability: All model 205A-1 with S/Nos. 30001 to 30169. Document:  Bell SB No. 205-(04-2)-74-1.\n\nCompliance: Within 25 hours time in service after 16 September 1974.\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1946},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This remains a discrete, targeted maintenance directive focused solely on inspecting specific bolts in identified helicopter models. The scope has not expanded beyond the original safety issue addressed in 1974."},"complexity_factors":["Extremely short text (under 150 words)","Single compliance requirement with clear deadline","Requires cross-reference to external manufacturer service bulletin for technical procedures","No conditional logic or nested exceptions"],"plain_english_summary":"**What this is:** This is an Airworthiness Directive (AD) — a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) that legally requires aircraft owners to perform specific maintenance checks.\n\n**What it requires:** Owners of specific Bell 205A-1 helicopters (serial numbers 30001 to 30169) must inspect the **swashplate scissors lever bolts**. These are critical metal fasteners in the rotor system that help control the helicopter's blade pitch (the angle of the blades that controls lift and direction).\n\n**Who must comply:** Anyone operating the specified Bell Helicopter Textron 205 series models.\n\n**Deadline:** The inspection must be completed within 25 hours of flight time after 16 September 1974.\n\n**Important note:** The directive references a Bell Service Bulletin (SB No. 205-(04-2)-74-1) for the actual step-by-step inspection instructions — meaning you need that technical document to know exactly how to perform the check."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-205-21-swashplate-scissors-lever-bolts-inspection","history":"/api/acts/ad-bell-205-21-swashplate-scissors-lever-bolts-inspection/history","analysis":"/api/acts/ad-bell-205-21-swashplate-scissors-lever-bolts-inspection/analysis","conflicts":"/api/acts/ad-bell-205-21-swashplate-scissors-lever-bolts-inspection/conflicts","importantCases":"/api/acts/ad-bell-205-21-swashplate-scissors-lever-bolts-inspection/important-cases","documents":"/api/acts/ad-bell-205-21-swashplate-scissors-lever-bolts-inspection/documents"}}