{"id":"F2006B09424","name":"AD/ELECT/5 - Magneto - Impulse Starters - Modification","slug":"ad-elect-5-magneto-impulse-starters-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53814,"registerId":"commonwealth-F2006B09424-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ELECT/5 - Magneto - Impulse Starters - 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 - 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Electrical Equipment\n\n \n\nAD/ELECT/5 Magneto - Impulse Starters - Modification NK\n\nApplicability: BTH type Z1-2 Impulse Starters fitted with pawls P/N CX55288. Document:  1. DH Mod. G2242, Part 3; OR 2. ANO 107.2.16.2.4.\n\nCompliance: Before installation in an aircraft.\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 \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1102},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete technical airworthiness directive targeting a specific aircraft component safety issue. It has not expanded beyond its original narrow safety purpose."},"complexity_factors":["Extremely brief text (approximately 50 words of operative content)","Relies entirely on external technical documents for substantive requirements (DH Mod and ANO)","Uses aviation-specific jargon without definition (impulse starters, pawls, P/N numbers)"],"plain_english_summary":"This safety directive requires a specific modification to be made to certain aircraft engine starters **before** they can legally be installed in any aircraft.\n\n**Who it affects:**\n- Aircraft mechanics and maintenance organisations\n- Owners of aircraft fitted with **BTH type Z1-2 Impulse Starters** that have part number **CX55288**\n\n**What you must do:**\nIf you have one of these starters, you cannot install it in an aircraft until it has been modified using either:\n- **De Havilland Modification G2242 (Part 3)**, or  \n- **Airworthiness Notice 107.2.16.2.4**\n\n**Why it matters:**\nThese starters have a mechanical component (called a \"pawl\") that likely has a safety defect. The referenced documents contain the technical instructions to fix the issue and prevent potential engine starting failures or damage."}},"importantCases":[],"_links":{"self":"/api/acts/ad-elect-5-magneto-impulse-starters-modification","history":"/api/acts/ad-elect-5-magneto-impulse-starters-modification/history","analysis":"/api/acts/ad-elect-5-magneto-impulse-starters-modification/analysis","conflicts":"/api/acts/ad-elect-5-magneto-impulse-starters-modification/conflicts","importantCases":"/api/acts/ad-elect-5-magneto-impulse-starters-modification/important-cases","documents":"/api/acts/ad-elect-5-magneto-impulse-starters-modification/documents"}}