{"id":"F2006B08384","name":"AD/CESSNA 500/10 - Throttle Control Lock - Modification","slug":"ad-cessna-500-10-throttle-control-lock-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115816,"registerId":"commonwealth-F2006B08384-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 500/10 - Throttle Control Lock - 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)  Cessna 500 (Citation) Series Aeroplanes\n\n \n\nAD/CESSNA 500/10 Throttle Control Lock - Modification 1/75\n\nApplicability: Model 500 with S/Nos. 500-0001 to 500-0117. Document:  Cessna Citation SB 76-3.\n\nCompliance: Within 100 hours time in service after 31 January 1975.\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":1136},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains its original narrow scope as a targeted safety mandate for a specific aircraft model and serial number range. It has not expanded beyond its initial purpose of requiring a throttle control lock modification on affected Cessna 500 aircraft."},"complexity_factors":["Single, discrete requirement with no conditional logic","Limited applicability to specific aircraft serial number range (S/Nos. 500-0001 to 500-0117)","Simple compliance formula (100 hours time in service after fixed date)","External reference to manufacturer service bulletin requires technical cross-referencing"],"plain_english_summary":"This is a **safety order** (called an Airworthiness Directive) issued by the aviation regulator for specific Cessna business jets.\n\n**What it requires:**\nIf you own or operate a Cessna Model 500 (Citation) aircraft with serial numbers 500-0001 through 500-0117, you must modify the throttle control lock mechanism.\n\n**How to comply:**\nFollow the technical instructions in *Cessna Service Bulletin 76-3* (a manufacturer document detailing the required changes).\n\n**Deadline:**\nComplete the modification within 100 hours of flight time after 31 January 1975.\n\n**Why this matters:**\nThe directive addresses potential safety risks with the throttle control lock system to prevent unsafe operation of the aircraft controls during flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-500-10-throttle-control-lock-modification","history":"/api/acts/ad-cessna-500-10-throttle-control-lock-modification/history","analysis":"/api/acts/ad-cessna-500-10-throttle-control-lock-modification/analysis","conflicts":"/api/acts/ad-cessna-500-10-throttle-control-lock-modification/conflicts","importantCases":"/api/acts/ad-cessna-500-10-throttle-control-lock-modification/important-cases","documents":"/api/acts/ad-cessna-500-10-throttle-control-lock-modification/documents"}}