{"id":"F2006B03395","name":"AD/B767/41 - Leading Edge Slat Drive Mechanism","slug":"ad-b767-41-leading-edge-slat-drive-mechanism","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42936,"registerId":"commonwealth-F2006B03395-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B767/41 - Leading Edge Slat Drive Mechanism","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)  Boeing 767 Series Aeroplanes\n\n \n\nAD/B767/41 Leading Edge Slat Drive Mechanism 9/90\n\nApplicability: Model 767 series.\n\n \n\nRequirement: Unless already accomplished, action IAW Boeing ASB 767-27A0095 Rev 1.\n\n \n\nNote: FAA AD T90-09-51 refers.\n\n \n\nCompliance: At the next “A” check inspection period after 30 September 1990.\n\n \n\nBackground: This AD inspection will ensure the mechanical integrity of the leading edge slat drive systems. Torque tube disconnection or failure, and oil contamination of the no-back brake in the offset gearbox, could result in uncommanded movement of the leading edge slats.\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\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2446},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope addressing a specific airworthiness safety concern regarding Boeing 767 leading edge slat drive mechanisms. No expansion beyond the original technical remediation purpose is evident."},"complexity_factors":["Single operative provision incorporating external technical standard by reference (Boeing ASB 767-27A0095 Rev 1)","Minimal conditional logic (sole exception: 'unless already accomplished')","Technical terminology requires specialized aviation engineering knowledge to implement (e.g., 'torque tube', 'no-back brake', 'A check')"],"plain_english_summary":"This safety directive requires operators of Boeing 767s in Australia to inspect and repair the leading-edge slat drive mechanism per Boeing Alert Service Bulletin 767-27A0095 Revision 1 at the next scheduled A check after 30 September 1990. \n\nIt targets torque-tube disconnection and oil-contaminated no‑back brakes to prevent uncommanded slat movement, which can compromise aerodynamics and flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b767-41-leading-edge-slat-drive-mechanism","history":"/api/acts/ad-b767-41-leading-edge-slat-drive-mechanism/history","analysis":"/api/acts/ad-b767-41-leading-edge-slat-drive-mechanism/analysis","conflicts":"/api/acts/ad-b767-41-leading-edge-slat-drive-mechanism/conflicts","importantCases":"/api/acts/ad-b767-41-leading-edge-slat-drive-mechanism/important-cases","documents":"/api/acts/ad-b767-41-leading-edge-slat-drive-mechanism/documents"}}