{"id":"F2006B05854","name":"AD/PA-32/57 - Nose Landing Gear Retraction System - Modification","slug":"ad-pa-32-57-nose-landing-gear-retraction-system-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135878,"registerId":"commonwealth-F2006B05854-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-32/57 - Nose Landing Gear Retraction System - Modification","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-32 (Cherokee Six) Series Aeroplanes\n\n \n\nAD/PA-32/57 Nose Landing Gear Retraction System - Modification\n\nApplicability: All model PA-32R-300 with S/Nos. 32R-7680001 to 32R-7780148. Document: Piper SB No. 593.\n\nCompliance: Within 100 hours time in service after 30 September 1978.\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\n9/78\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1806},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose: mandating a specific safety modification to a specific aircraft type's landing gear system. No expansion of scope detected."},"complexity_factors":["Extremely brief text (approximately 50 words of operative provisions)","No defined terms section or interpretation rules","Single applicability test based on aircraft model and serial number range","Only one compliance obligation with a clear, fixed deadline","No conditional exceptions, cross-references to other legislation, or discretionary powers"],"plain_english_summary":"This is a **safety order** (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority for specific Piper Cherokee Six aircraft.\n\n**What it requires:**\n- Owners must modify the nose landing gear retraction system on Piper PA-32R-300 aircraft with serial numbers between 32R-7680001 and 32R-7780148\n- The repair must follow the manufacturer's instructions in **Piper Service Bulletin No. 593**\n\n**Deadline:**\n- The work must be done within 100 hours of flying time after 30 September 1978\n\n**Why it matters:**\nThis directive addresses a specific mechanical defect that could cause the nose landing gear to fail. Compliance is mandatory—flying without making this modification would breach aviation safety laws and put passengers at risk."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-57-nose-landing-gear-retraction-system-modification","history":"/api/acts/ad-pa-32-57-nose-landing-gear-retraction-system-modification/history","analysis":"/api/acts/ad-pa-32-57-nose-landing-gear-retraction-system-modification/analysis","conflicts":"/api/acts/ad-pa-32-57-nose-landing-gear-retraction-system-modification/conflicts","importantCases":"/api/acts/ad-pa-32-57-nose-landing-gear-retraction-system-modification/important-cases","documents":"/api/acts/ad-pa-32-57-nose-landing-gear-retraction-system-modification/documents"}}