{"id":"F2006B05913","name":"AD/PA-34/42 Amdt 1 - Aileron Hinge Fitting Assembly","slug":"ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135984,"registerId":"commonwealth-F2006B05913-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/42 Amdt 1 - Aileron Hinge Fitting Assembly","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nPiper PA-34 (Seneca) Series Aeroplanes\n\nAD/PA-34/42\n\nAmdt 1\n\n  \nAileron Hinge Fitting Assembly 10/93\n\nApplicability: Model PA-34-200T and \\-220T.\n\nRequirement: Carry out a detailed visual inspection of the aileron hinge fitting assemblies for corrosion, with special attention to the section of the fitting enclosed by the aileron. Evidence of corrosion on the enclosed section of the fitting will necessitate removal of the fitting from the aileron to allow closer inspection/corrosion removal.\n\nCompliance: Prior to 15 December 1992, and thereafter at intervals not to exceed 3 calendar years. The compliance date of the original issue of this Directive remains unchanged, while the repetitive inspection requirement is added by this issue. This amendment is effective from 16 September 1993.\n\nBackground: This Directive was prompted by reports of severe corrosion on a significant number of local aircraft.\n\nAmendment 1 is issued in response to further reports of corrosion on an aircraft that had had corrosion rectification carried out.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1693},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"The original directive required only a one-time inspection before December 1992. Amendment 1 significantly expands the scope by introducing a permanent recurring inspection requirement (every 3 years), transforming the directive from a single compliance action into an ongoing, indefinite safety obligation for the operational life of the aircraft."},"complexity_factors":["Single, specific mechanical component addressed (aileron hinge fitting assembly)","Limited applicability scope (only two specific aircraft model variants: PA-34-200T and PA-34-220T)","Straightforward compliance timeline with simple arithmetic interval (initial date + 3-year recurring cycle)","No defined terms section, interpretation clauses, or complex legislative cross-references","Binary conditional logic only (if corrosion evidence found, then removal required)"],"plain_english_summary":"This CASA Airworthiness Directive legally requires owners/operators of Piper PA‑34‑200T and PA‑34‑220T Seneca aircraft to inspect aileron hinge fittings for corrosion, initially by 15 December 1992 and then at least every three years.\n\nIf concealed corrosion is found the fitting must be removed for detailed inspection and cleaning; the recurring checks were added after reports of severe or recurring hidden rust to prevent structural failure."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly","history":"/api/acts/ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly/history","analysis":"/api/acts/ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly/analysis","conflicts":"/api/acts/ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly/conflicts","importantCases":"/api/acts/ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly/important-cases","documents":"/api/acts/ad-pa-34-42-amdt-1-aileron-hinge-fitting-assembly/documents"}}