{"id":"F2006B05882","name":"AD/PA-34/11 - Wing Skin/Rib - Inspection and Modification","slug":"ad-pa-34-11-wing-skin-rib-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135930,"registerId":"commonwealth-F2006B05882-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/11 - Wing Skin/Rib - Inspection and 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-34 (Seneca) Series Aeroplanes\n\n \n\nAD/PA-34/11 Wing Skin/Rib - Inspection and Modification 6/74\n\nApplicability: Model PA-34-200 with S/Nos. 34-E4, 34-7250001 to 34-7250360 and 34-7350001 to 34-7350234.\n\n \n\nDocument: Piper SL No. 664.\n\n \n\nCompliance: Within 100 hours time in service after 28 June 1974.\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":1733},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope targeting a specific structural safety issue (wing skin/rib defects) on specific Piper PA-34-200 aircraft. It has not expanded beyond the original inspection and modification requirement."},"complexity_factors":["Single, clearly defined maintenance task","Applicability limited to specific aircraft serial numbers only","Simple time-based compliance trigger (100 flight hours after fixed date)","Single external document reference (Piper Service Letter No. 664)","No definitions section, conditional clauses, or exceptions"],"plain_english_summary":"This is a **mandatory safety order** (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations.\n\n**What it does:**\nRequires owners and operators of specific Piper PA-34 Seneca aircraft to inspect and modify the wing skin and rib attachments to prevent structural failure.\n\n**Who it affects:**\nOnly applies to Model PA-34-200 aircraft with these specific serial numbers:\n- 34-E4\n- 34-7250001 through 34-7250360\n- 34-7350001 through 34-7350234\n\n**What must be done:**\n- Inspect the wing skin/rib area and complete modifications exactly as described in Piper Service Letter No. 664\n- Finish the work within 100 flight hours after 28 June 1974\n\n**Why it matters:**\nThis addresses a specific safety defect that could compromise wing integrity and lead to loss of aircraft control. Operating these aircraft without completing this directive violates airworthiness requirements."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification","history":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification/history","analysis":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification/analysis","conflicts":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification/important-cases","documents":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification/documents"}}