{"id":"F2006B10795","name":"AD/IAI-W/2 - Aileron Control Pulley P/N 3533032-1 - Inspection","slug":"ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56260,"registerId":"commonwealth-F2006B10795-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/IAI-W/2 - Aileron Control Pulley P/N 3533032-1 - 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\n![](image.001.png)  Israel Aircraft Industries 1123 and 1124 (Westwind) Series Aeroplanes\n\n \n\nAD/IAI-W/2 Aileron Control Pulley P/N 3533032-1 - Inspection 11/80\n\nApplicability: All model 1124 with S/Nos. 240 to 275. Document:  IAI SB No. 1124-27-02.\n\nCompliance: Within 150 hours time in service after 30 November 1980.\n\n \n\nBackground: The control pulleys at the base of the control column may be chafed by the cables which could cause abnormal wear to the pulleys.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, original Airworthiness Directive from 1980 with a tightly scoped safety purpose. It has not expanded beyond its original intent — it addresses one specific mechanical defect in one specific aircraft model range."},"complexity_factors":["Single, specific technical requirement (one inspection task)","Narrow applicability (only 36 specific aircraft serial numbers)","No defined terms section — uses standard aviation terminology","No cross-references to other legislation or complex conditional logic","Clear, fixed compliance deadline (150 hours after specified date)","References only one external technical document (manufacturer's service bulletin)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It requires owners and operators of specific Israel Aircraft Industries Westwind business jets to inspect a particular part: the **aileron control pulley** (part number 3533032-1).\n\n**What it does:**\n- **Mandates an inspection** of control pulleys located at the base of the control column in affected aircraft\n- **Addresses a safety risk:** The cables that run through these pulleys can rub against (\"chafe\") the pulley wheels, causing abnormal wear that could compromise flight control\n\n**Who it affects:**\n- Owners and operators of **IAI 1124 Westwind aircraft** with **serial numbers 240 through 275**\n- Does NOT apply to 1123 models or other 1124 serial numbers\n\n**What must be done:**\n- Inspect the pulleys within **150 flight hours** after 30 November 1980\n- Follow the technical instructions in **IAI Service Bulletin 1124-27-02**\n\n**Why it matters:**\nWorn control pulleys could lead to aileron (roll control) failure — a serious flight safety hazard. Airworthiness Directives are legally binding; non-compliance can ground an aircraft."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The document, as supplied, sets a clear, narrow scope: inspection of aileron control pulley P/N 3533032-1 on IAI 1124 aeroplanes with serial numbers 240–275, to be completed within 150 hours time in service after 30 November 1980, and refers to IAI Service Bulletin No. 1124-27-02 for procedures. The AD text does not indicate any change to that scope."},"complexity_factors":["Narrow applicability: single aircraft model (1124) and limited serial-number range (240–275). (\"Applicability: All model 1124 with S/Nos. 240 to 275\")","Single mandated action: one inspection task for a particular part number (P/N 3533032-1). (Title: \"Aileron Control Pulley P/N 3533032-1 - Inspection\")","Fixed, short compliance window: inspection due within 150 hours time in service after a specific date (30 November 1980). (\"Compliance: Within 150 hours time in service after 30 November 1980\")","Dependence on an external procedural document: AD references IAI SB No. 1124-27-02 for inspection details rather than including procedures in the AD. (\"Document: IAI SB No. 1124-27-02\")","Limited remedial detail: AD states the hazard (chafing leading to abnormal wear) but does not specify corrective actions in the AD text itself. (\"Background: ... may be chafed ... abnormal wear\")","Vintage timing: dated notation (11/80) means operators must apply an historical deadline; coordination with maintenance schedules may be required."],"plain_english_summary":"This AD mandates a one‑time inspection of the aileron control pulley (P/N 3533032‑1) on IAI 1124 aircraft S/N 240–275 within 150 flight hours after 30 Nov 1980, per IAI Service Bulletin No. 1124‑27‑02.  \n\nIt affects owners/operators and their maintenance providers; it aims to detect cable chafing and abnormal pulley wear that could compromise control integrity."}},"importantCases":[],"_links":{"self":"/api/acts/ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection","history":"/api/acts/ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection/history","analysis":"/api/acts/ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection/analysis","conflicts":"/api/acts/ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection/conflicts","importantCases":"/api/acts/ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection/important-cases","documents":"/api/acts/ad-iai-w-2-aileron-control-pulley-p-n-3533032-1-inspection/documents"}}