{"id":"F2006B10632","name":"AD/HU 269/72 - Idler Pulley Support Bracket - Inspection","slug":"ad-hu-269-72-idler-pulley-support-bracket-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116528,"registerId":"commonwealth-F2006B10632-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HU 269/72 - Idler Pulley Support Bracket - 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)  Schweizer (Hughes) 269 Series Helicopters\n\n \n\nAD/HU 269/72 Idler Pulley Support Bracket - Inspection 9/82\n\nApplicability: All models equipped with P/N 269A5447 series belt drive idler pulley assembly. Document:               Hughes SIN N-182.\n\nFAA AD 82-15-03 refers.\n\n \n\nCompliance: Inspect at intervals not exceeding 100 hours time in service after 30 September 1982. Background:              There have been two reported cases of cracking to the idler pulley support brackets.\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\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2085},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive retains its original narrow scope addressing the specific safety defect in the idler pulley support bracket. There is no expansion into broader operational or maintenance requirements beyond this single inspection mandate."},"complexity_factors":["Single, unambiguous compliance obligation (inspection interval)","Narrow applicability limited to specific aircraft model and part number","No defined terms, interpretation clauses, or exceptions","Minimal cross-referencing (only to manufacturer service bulletin and FAA directive)","Short length with plain language requirements"],"plain_english_summary":"**What this does:** This is a mandatory aviation safety rule requiring regular inspections of a specific helicopter component to prevent mechanical failure.\n\n**Who it affects:** Owners and operators of Schweizer (Hughes) 269 series helicopters fitted with a belt drive idler pulley assembly (part number 269A5447 series).\n\n**What must be done:** The idler pulley support bracket must be inspected for cracking damage every 100 hours of flight time (\"time in service\"), with the first inspection due by 30 September 1982.\n\n**Why it matters:** Two cases of cracking were reported in these brackets. If the bracket fails, it could compromise the helicopter's drive belt system and endanger the aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hu-269-72-idler-pulley-support-bracket-inspection","history":"/api/acts/ad-hu-269-72-idler-pulley-support-bracket-inspection/history","analysis":"/api/acts/ad-hu-269-72-idler-pulley-support-bracket-inspection/analysis","conflicts":"/api/acts/ad-hu-269-72-idler-pulley-support-bracket-inspection/conflicts","importantCases":"/api/acts/ad-hu-269-72-idler-pulley-support-bracket-inspection/important-cases","documents":"/api/acts/ad-hu-269-72-idler-pulley-support-bracket-inspection/documents"}}