{"id":"F2006B02078","name":"AD/AC/19 - Throttle Control Rod Ends - Inspection and Replacement","slug":"ad-ac-19-throttle-control-rod-ends-inspection-and-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41308,"registerId":"commonwealth-F2006B02078-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AC/19 - Throttle Control Rod Ends - Inspection and Replacement","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue 9/1961,Aircraft below 5700 kg,Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes,Throttle Control Rod Ends - Inspection and Replacement,19\ntitle: Airworthiness Directive - AD/AC/19 - Throttle Control Rod Ends - Inspection and Replacement\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)  Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes\n\n \n\nAD/AC/19 Throttle Control Rod Ends - Inspection\n\nand Replacement\n\nApplicability: All models: S/Nos. 1 to 730. Document: Aero Commander SB No. 74A. Compliance:  Forthwith.\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\n9/61\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1134},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope as a targeted safety measure for a specific mechanical component on specified aircraft models. No expansion beyond the original technical intent."},"complexity_factors":["Single-page document with no defined terms or interpretation sections","Simple applicability test (specific aircraft models and serial number range 1-730)","Single compliance requirement ('Forthwith') with no conditional exceptions","Direct reference to external technical document without complex incorporation by reference mechanisms","No procedural steps, appeal mechanisms, or administrative provisions included"],"plain_english_summary":"**What this does:** This directive orders immediate safety action on specific Twin Commander aircraft. Owners and operators must inspect and replace the **throttle control rod ends** on affected planes.\n\n**Who it affects:** Anyone operating Twin Commander 500, 600, or 700 series aircraft with serial numbers 1 through 730.\n\n**What you must do:**\n- **Forthwith** (immediately, without delay) comply with Aero Commander Service Bulletin No. 74A\n- This involves inspecting and replacing the throttle control rod ends\n\n**Why it matters:** Faulty throttle control rod ends could cause the pilot to lose control of engine power, creating a serious flight safety risk. This is a mandatory fix to keep these aircraft airworthy."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ac-19-throttle-control-rod-ends-inspection-and-replacement","history":"/api/acts/ad-ac-19-throttle-control-rod-ends-inspection-and-replacement/history","analysis":"/api/acts/ad-ac-19-throttle-control-rod-ends-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-ac-19-throttle-control-rod-ends-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-ac-19-throttle-control-rod-ends-inspection-and-replacement/important-cases","documents":"/api/acts/ad-ac-19-throttle-control-rod-ends-inspection-and-replacement/documents"}}