{"id":"F2006B05928","name":"AD/PA-36/11 - Muffler Clamp - Installation","slug":"ad-pa-36-11-muffler-clamp-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":136016,"registerId":"commonwealth-F2006B05928-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-36/11 - Muffler Clamp - Installation","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)  Piper PA-36 (Pawnee Brave) Series Aeroplanes\n\n \n\nAD/PA-36/11 Muffler Clamp - Installation 5/76\n\nApplicability: Model PA-36-285 with S/Nos. 36-7360001 to 36-7560110. Document:  Piper SB No. 489.\n\nCompliance: Within 100 hours time in service after 31 May 1976.\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\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1743},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive remains tightly scoped to its original purpose. It applies only to the specified muffler clamp installation on specific Piper PA-36-285 serial numbers, with no expansion to other aircraft types, models, or maintenance issues."},"complexity_factors":["Single compliance action required","No interpretation section or defined terms","Minimal cross-referencing (references only one external service bulletin)","Extremely narrow applicability (one specific aircraft model and serial number range)","Clear, unconditional deadline structure"],"plain_english_summary":"**What this does:** This safety directive requires owners and operators of specific Piper aircraft to install a muffler clamp (a bracket that holds the exhaust muffler in place) according to manufacturer instructions.\n\n**Who it affects:** Operators of **Piper PA-36-285** model aircraft with serial numbers from **36-7360001 to 36-7560110** (these are \"Pawnee Brave\" agricultural planes).\n\n**What must be done:** Install the muffler clamp following **Piper Service Bulletin No. 489** within 100 flight hours after 31 May 1976.\n\n**Why it matters:** Loose or failed muffler clamps can cause the exhaust system to break, leading to in-flight fires, carbon monoxide entering the cockpit, or engine damage. This prevents those failures."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-36-11-muffler-clamp-installation","history":"/api/acts/ad-pa-36-11-muffler-clamp-installation/history","analysis":"/api/acts/ad-pa-36-11-muffler-clamp-installation/analysis","conflicts":"/api/acts/ad-pa-36-11-muffler-clamp-installation/conflicts","importantCases":"/api/acts/ad-pa-36-11-muffler-clamp-installation/important-cases","documents":"/api/acts/ad-pa-36-11-muffler-clamp-installation/documents"}}