{"id":"F2006B05814","name":"AD/PA-32/20 - Seat Frame - Modification","slug":"ad-pa-32-20-seat-frame-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135762,"registerId":"commonwealth-F2006B05814-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-32/20 - Seat Frame - 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-32/20 Seat Frame - Modification 5/71\n\nApplicability: All the following models having vertically adjustable pilot and/or co-pilot seat installations:\n\n \n\nAll PA-32-260 with S/Nos. 32-1251 to 32-1320 and 32-7100001 to 32-7100015.\n\n \n\nAll PA-32-300 with S/Nos. 32-40851 to 32041018 and 32-7140001 to 32-7140040.\n\n \n\nDocument: Piper SB No. 337.\n\n \n\nCompliance: Within 100 hours time in service after 31 May 1971.\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":986},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is the original 1971 directive. The scope remains limited to the specific seat frame modification for defined PA-32 aircraft serial numbers as originally issued."},"complexity_factors":["Single, specific technical requirement with no conditional exceptions or nested clauses","Limited to defined aircraft models and serial number ranges","Short length (under 200 words) with clear compliance deadline","Requires cross-reference to external technical document (Piper SB 337) for actual modification instructions"],"plain_english_summary":"**What this does:**\nThis directive orders owners and operators of specific Piper Cherokee Six aircraft to modify the seat frames for the pilot and co-pilot seats.\n\n**Who it affects:**\nOwners of Piper PA-32-260 and PA-32-300 model planes with specific serial numbers (listed in the directive) that have vertically adjustable front seats.\n\n**What must be done:**\n*   **Action required:** Modify the seat frames according to instructions in **Piper Service Bulletin No. 337** (a technical notice from the manufacturer).\n*   **Deadline:** Complete the work within 100 hours of flight time after 31 May 1971.\n\n**Why it matters:**\nThis is a safety measure to prevent seat frame failures during flight. The modification ensures the adjustable seats remain securely attached to the aircraft structure."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-20-seat-frame-modification","history":"/api/acts/ad-pa-32-20-seat-frame-modification/history","analysis":"/api/acts/ad-pa-32-20-seat-frame-modification/analysis","conflicts":"/api/acts/ad-pa-32-20-seat-frame-modification/conflicts","importantCases":"/api/acts/ad-pa-32-20-seat-frame-modification/important-cases","documents":"/api/acts/ad-pa-32-20-seat-frame-modification/documents"}}