{"id":"F2006B04658","name":"AD/BELL 412/23 - Electrical Wiring Harnesses","slug":"ad-bell-412-23-electrical-wiring-harnesses","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44410,"registerId":"commonwealth-F2006B04658-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BELL 412/23 - Electrical Wiring Harnesses","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\n![](image.001.png)  Bell Helicopter Textron 412 Series Helicopters\n\n \n\nAD/BELL 412/23 Electrical Wiring Harnesses 7/89\n\nApplicability: All model 412 aircraft serial number 33001 through 33160, and 33168 through\n\n33185.\n\n \n\nRequirement: Action in accordance with Bell ASB 412-89-43. Compliance:  Prior to 31 December 1989.\n\nBackground: Bell have advised that several reports of in flight fires have been received recently.\n\nThe referenced SB describes repairs/modifications designed to control adverse chafing in six known problem areas.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1944},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope of addressing specific wiring fire risks in designated Bell 412 aircraft through mandated compliance with a single service bulletin."},"complexity_factors":["Single, specific safety requirement","Clear applicability limited to two defined serial number ranges","Unconditional directive with fixed compliance date","No defined terms, exceptions, or cross-references to other legislation"],"plain_english_summary":"**What it does:** This Airworthiness Directive (aviation safety law) mandates urgent repairs to prevent electrical fires in specific Bell 412 helicopters.\n\n**Who it affects:** Owners and operators of Bell 412 aircraft with serial numbers 33001 through 33160, and 33168 through 33185.\n\n**What must be done:** Follow the instructions in Bell Alert Service Bulletin 412-89-43 to repair electrical wiring harnesses. This fixes dangerous chafing (wear caused by rubbing) in six identified problem areas that have caused in-flight fires.\n\n**Compliance deadline:** Prior to 31 December 1989."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-412-23-electrical-wiring-harnesses","history":"/api/acts/ad-bell-412-23-electrical-wiring-harnesses/history","analysis":"/api/acts/ad-bell-412-23-electrical-wiring-harnesses/analysis","conflicts":"/api/acts/ad-bell-412-23-electrical-wiring-harnesses/conflicts","importantCases":"/api/acts/ad-bell-412-23-electrical-wiring-harnesses/important-cases","documents":"/api/acts/ad-bell-412-23-electrical-wiring-harnesses/documents"}}