{"id":"F2006B04367","name":"AD/BELL 205/29 - Main Rotor Blade Bolt Washer - Inspection","slug":"ad-bell-205-29-main-rotor-blade-bolt-washer-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44191,"registerId":"commonwealth-F2006B04367-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 205/29 - Main Rotor Blade Bolt Washer - 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 205/29 Main Rotor Blade Bolt Washer - Inspection 3/76\n\nApplicability: All models. Document: Bell SB No. 205-76-1.\n\nCompliance: Within 25 hours time in service after 24 March 1976.\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1106},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose: a one-time safety inspection of main rotor blade bolt washers on Bell 205 helicopters. No evidence of scope expansion beyond this specific 1976 safety measure."},"complexity_factors":["Single compliance requirement with no sub-conditions","No defined terms or interpretation section","Document length is less than one page","Only one applicable aircraft series (Bell 205)","Simple temporal trigger (25 hours after fixed date)"],"plain_english_summary":"**What this is:** This is an Airworthiness Directive (AD) — a mandatory safety order issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations.\n\n**What it requires:** Owners and operators of Bell 205 series helicopters must inspect the **main rotor blade bolt washers** (critical components that secure the rotor blades to the hub).\n\n**When to do it:** Within 25 hours of flight time after 24 March 1976.\n\n**How to do it:** Follow the instructions in Bell Helicopter Service Bulletin No. 205-76-1, which contains the detailed inspection procedures.\n\n**Why it matters:** This prevents catastrophic rotor failure due to defective or worn washers, which could cause the helicopter to crash."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-205-29-main-rotor-blade-bolt-washer-inspection","history":"/api/acts/ad-bell-205-29-main-rotor-blade-bolt-washer-inspection/history","analysis":"/api/acts/ad-bell-205-29-main-rotor-blade-bolt-washer-inspection/analysis","conflicts":"/api/acts/ad-bell-205-29-main-rotor-blade-bolt-washer-inspection/conflicts","importantCases":"/api/acts/ad-bell-205-29-main-rotor-blade-bolt-washer-inspection/important-cases","documents":"/api/acts/ad-bell-205-29-main-rotor-blade-bolt-washer-inspection/documents"}}