{"id":"F2006B02031","name":"AD/AA-1/1A - Control Cables and Pulleys - Inspection","slug":"ad-aa-1-1a-control-cables-and-pulleys-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41253,"registerId":"commonwealth-F2006B02031-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AA-1/1A - Control Cables and Pulleys - Inspection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue NK,Aircraft below 5700 kg,Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes,Control Cables and Pulleys - Inspection,1A\ntitle: Airworthiness Directive - AD/AA-1/1A - Control Cables and Pulleys - Inspection\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)  Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes\n\n \n\nAD/AA-1/1A Control Cables and Pulleys - Inspection NK\n\nApplicability: All models.\n\n \n\nRequirement: Thoroughly clean and inspect all rudder, aileron and elevator control pulleys and cables where the cables pass under the pulley grouping forward of the wing centre spar.\n\n \n\nNote: To adequately inspect the cable it will be necessary to actuate the controls to the full deflection to expose the complete cable pulley contact area for examination.\n\n \n\nCompliance: Within 100 hours’ time in service after 25 February 1972 and thereafter at intervals not exceeding 100 hours’ time in service.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a classic, narrowly-focused Airworthiness Directive addressing a specific mechanical inspection requirement for a specific aircraft type. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only 1 defined term implicitly used ('time in service' — understood in aviation context as flight hours)","No cross-references to other legislation or regulations","Single, straightforward compliance requirement with clear timing","No conditional logic, exceptions, or nested provisions","Simple applicability statement ('All models')","Single note providing practical guidance rather than legal complexity"],"plain_english_summary":"This CASA Airworthiness Directive mandates owners/operators of Gulfstream AA‑1 series aeroplanes to clean and inspect rudder, aileron and elevator control cables and their forward pulleys, exercising controls through full deflection to view cable contact surfaces. It’s a recurring safety inspection: first within 100 flight hours after 25 Feb 1972 and every 100 flight hours thereafter to prevent control failure."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The supplied instrument applies to 'All models' and specifies cleaning/inspection and a 100‑hour recurring interval. The text contains no comparators or prior-version language that would show a change in scope; the '1A' suffix appears to be an amendment label but the source does not provide earlier text or indicate an altered applicability."},"complexity_factors":["Applicability stated as 'All models' — broad subject pool but uniform requirement (Applicability line).","Single technical task: 'Thoroughly clean and inspect all rudder, aileron and elevator control pulleys and cables where the cables pass under the pulley grouping forward of the wing centre spar.' — straightforward maintenance action (Requirement).","Inspection method requires moving controls to 'full deflection' to expose contact area, which increases inspection scope and time compared with a visual-only check (Note).","Recurring compliance interval: 'Within 100 hours’ time in service after 25 February 1972 and thereafter at intervals not exceeding 100 hours’ time in service.' — creates ongoing scheduling and labour demand (Compliance).","Document gives no pass/fail criteria, no corrective-action steps, and no record-keeping or enforcement procedure — leaves some discretion to maintainers and regulators.","Amendment label 'AD/AA-1/1A' is present but the text supplied does not show earlier versions or indicate changed wording — potential ambiguity about changes to prior obligations."],"plain_english_summary":"Requires owners/operators of Gulfstream (Grumman American/American Aviation) AA‑1 series aeroplanes to clean and inspect all rudder, aileron and elevator control pulleys and the cable contact area forward of the wing centre spar, actuating controls to full deflection to expose the contact area. Inspections must begin within 100 hours’ time in service after 25 February 1972 and repeat at intervals not exceeding 100 hours. Operators bear the labour, downtime and scheduling costs of recurring checks."}},"importantCases":[],"_links":{"self":"/api/acts/ad-aa-1-1a-control-cables-and-pulleys-inspection","history":"/api/acts/ad-aa-1-1a-control-cables-and-pulleys-inspection/history","analysis":"/api/acts/ad-aa-1-1a-control-cables-and-pulleys-inspection/analysis","conflicts":"/api/acts/ad-aa-1-1a-control-cables-and-pulleys-inspection/conflicts","importantCases":"/api/acts/ad-aa-1-1a-control-cables-and-pulleys-inspection/important-cases","documents":"/api/acts/ad-aa-1-1a-control-cables-and-pulleys-inspection/documents"}}