{"id":"F2006B04189","name":"AD/BEECH 77/13 - Engine Control Rod Safety Washers","slug":"ad-beech-77-13-engine-control-rod-safety-washers","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43943,"registerId":"commonwealth-F2006B04189-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 77/13 - Engine Control Rod Safety Washers","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)  Beechcraft 77 (Skipper) Series Aeroplanes\n\n \n\nAD/BEECH 77/13 Engine Control Rod Safety Washers 8/83\n\nApplicability: Model 77 (Skipper) with S/Nos. WA-1 to WA-312. Requirement:  Action in accordance with Beechcraft SI No. 1243. Compliance:               Within 100 hours’ time in service after 30 September 1983.\n\nBackground:  The manufacturer considers it necessary to install a safety feature to the engine control rod ends.\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\nFederal Register of Legislative Instruments F2006B04189\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1609},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original, limited scope—a discrete safety mandate addressing a specific mechanical defect in a defined aircraft population. There is no evidence of scope creep or expansion beyond the initial purpose of mandating safety washer installation."},"complexity_factors":["Single, unambiguous mechanical requirement with no exceptions or conditions","Narrow applicability limited to specific aircraft serial numbers (WA-1 to WA-312)","Simple compliance calculation (100 hours time-in-service from fixed date)","References only one external technical document (Beechcraft SI 1243)","No defined terms, interpretation clauses, or cross-references to other legislation"],"plain_english_summary":"**What this is:** A mandatory safety notice (legally called an *Airworthiness Directive*) issued by the Civil Aviation Safety Authority for specific light aircraft.\n\n**Who it affects:** Owners and operators of Beechcraft Model 77 \"Skipper\" aeroplanes with serial numbers WA-1 through WA-312.\n\n**What you must do:** Install safety washers on the engine control rod ends by following the manufacturer's Service Instruction No. 1243. Think of this like a mandatory car recall—it's a fix to prevent mechanical failure.\n\n**Deadline:** Complete the work within 100 hours of flying time after 30 September 1983.\n\n**Why it matters:** Without these safety washers, the engine control rods could fail, potentially causing loss of engine power or control during flight. This directive prevents that mechanical risk."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-77-13-engine-control-rod-safety-washers","history":"/api/acts/ad-beech-77-13-engine-control-rod-safety-washers/history","analysis":"/api/acts/ad-beech-77-13-engine-control-rod-safety-washers/analysis","conflicts":"/api/acts/ad-beech-77-13-engine-control-rod-safety-washers/conflicts","importantCases":"/api/acts/ad-beech-77-13-engine-control-rod-safety-washers/important-cases","documents":"/api/acts/ad-beech-77-13-engine-control-rod-safety-washers/documents"}}