{"id":"F2006B07605","name":"AD/WINJEEL/1 Amdt 1 - Rudder Pulley Bracket Assembly","slug":"ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50291,"registerId":"commonwealth-F2006B07605-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/WINJEEL/1 Amdt 1 - Rudder Pulley Bracket Assembly","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nC.A.C. CA-25 (Winjeel) Series Aeroplanes\n\nAD/WINJEEL/1\n\nAmdt 1\n\n  \nRudder Pulley Bracket Assembly 9/99\n\nApplicability: All Model CA-25 aircraft.\n\nRequirement: 1. Remove rudder pulley bracket assembly part number 25-52480 in accordance with the Winjeel Aircraft Maintenance Manual.\n\n    2. Chemically strip all surface coating from the bracket assembly and carry out a visual inspection at medium magnification (x10 \\- x20), looking for small cracking at the grain boundaries and for stress corrosion cracking.\n\n    3. Brackets that exhibit no visual evidence of intergranular corrosion or stress corrosion cracking are to be inspected using a fluorescent dye penetrant method, to ensure the absence of discontinuities.\n\n    4. Restore the surface finish to serviceable bracket assemblies.\n\n    5. Install a serviceable rudder pulley bracket assembly and carry out a rigging check of the rudder control system, in accordance with the Winjeel Aircraft Maintenance Manual.\n\nNote 1: RAAF Special Technical Instruction WINJEEL 111 refers.\n\nNote 2: Inspections performed in accordance with AD/CA-25/1 satisfy the requirements of this Directive.\n\nCompliance: Prior to 30 April 1994.\n\nThis Amendment becomes effective on 9 September 1999.\n\nBackground: A cracked rudder bracket assembly was found on an Air Force aircraft. Reports have also been received of cracks being found on civil Winjeel aircraft, in areas that could not be inspected with the bracket installed.\n\nThe original issue of this Airworthiness Directive became effective on 30 April 1994.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2364},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope covering rudder pulley bracket inspections for all CA-25 Winjeel aircraft. It adds a cross-reference allowing alternative compliance via AD/CA-25/1 and updates administrative effective dates without expanding or altering the substantive safety requirements."},"complexity_factors":["Relies on external technical documents (Winjeel Aircraft Maintenance Manual, RAAF Special Technical Instruction WINJEEL 111)","Requires specialized technical procedures and equipment (fluorescent dye penetrant testing, 10-20x magnification inspection)","Cross-reference to equivalent compliance pathway under another directive (AD/CA-25/1)","Precise engineering specifications (specific part number 25-52480, chemical stripping requirements)"],"plain_english_summary":"This directive requires owners/operators of CAC Winjeel (Model CA‑25) to remove, inspect and—if necessary—replace the rudder pulley bracket assembly (PN 25‑52480), using paint removal, magnified visual inspection and dye‑penetrant NDT, then restore and rig the control system; inspections done under AD/CA‑25/1 satisfy this requirement.\n\nCracks were found, including in areas hidden when installed; a failed bracket could cause loss of rudder control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly","history":"/api/acts/ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly/history","analysis":"/api/acts/ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly/analysis","conflicts":"/api/acts/ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly/conflicts","importantCases":"/api/acts/ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly/important-cases","documents":"/api/acts/ad-winjeel-1-amdt-1-rudder-pulley-bracket-assembly/documents"}}