{"id":"F2006B05626","name":"AD/PA-28/7 Amdt 1 - Magneto Radio Interference Filters - Modification","slug":"ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135274,"registerId":"commonwealth-F2006B05626-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-28/7 Amdt 1 - Magneto Radio Interference Filters - 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-28 Series Aeroplanes\n\n \n\nAD/PA-28/7\n\nAmdt 1\n\n\nMagneto Radio Interference Filters - Modification 12/69\n\n \n\nApplicability: Model PA-28-140 with S/Nos. 28-20002 to 28-24999. Model PA-28-150 with S/Nos. 28-1 to 28-4327. Model PA-28-160 with S/Nos. 28-4328 to 28-4377. Model PA-28-\n\n235 with S/Nos. 28-10003 to 28-10719.\n\n \n\nRequirement: Install insulating boots on the terminals of magneto switch filters P/N 460634. Compliance:              Before 23 December 1969.\n\nNote: Aircraft already modified in accordance with the earlier issue of this requirement, need no further action.\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":2149},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope regarding magneto filter modifications for specific Piper PA-28 aircraft. The addition of the note regarding previously modified aircraft suggests this version clarifies compliance status rather than expanding the directive's application to new aircraft or systems."},"complexity_factors":["Single, specific technical requirement with no conditional logic or nested exceptions","Limited applicability restricted to four specific aircraft models with defined serial number ranges","No defined terms or interpretation section","Minimal cross-referencing (only internal reference to earlier issue)","Short document length with straightforward command structure"],"plain_english_summary":"This mandatory Airworthiness Directive from CASA requires owners/operators of specific early-model Piper PA‑28 Cherokees (serials in the 28‑1 to 28‑24999 range) to fit insulating boots over the terminals of magneto radio‑interference filters. The boots prevent electrical shorting or corrosion that could compromise radio communications or the ignition system; compliance was required before 23 December 1969."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification","history":"/api/acts/ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification/history","analysis":"/api/acts/ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification/analysis","conflicts":"/api/acts/ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification/conflicts","importantCases":"/api/acts/ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification/important-cases","documents":"/api/acts/ad-pa-28-7-amdt-1-magneto-radio-interference-filters-modification/documents"}}