{"id":"F2006B04033","name":"AD/BEECH 55/87 - Rudder Control System","slug":"ad-beech-55-87-rudder-control-system","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43642,"registerId":"commonwealth-F2006B04033-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\n![](image.002.png)  \nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.","sortOrder":0},{"sectionNumber":"AD/BEECH 55/87 Rudder Control System 2/2","sectionType":"part","heading":"AD/BEECH 55/87 Rudder Control System 2/2001 DM","content":"# AD/BEECH 55/87 Rudder Control System 2/2001 DM\n\nApplicability: Model 58 aircraft, serial numbers TH-1576 through TH-1838.\n\nRequirement: Inspect rudder control system in accordance with the Accomplishment Instructions of Raytheon Mandatory Service Bulletin 27-3265, Issued January 2000; and the applicable aircraft Maintenance Manual or Shop Manual.\n\nNote: FAA AD 2000-24-04 Amdt 39-12011 refers.\n\nCompliance: Within 50 hours’ time in service after 17 January 2001, unless already accomplished.\n\nThis Airworthiness Directive becomes effective on 17 January 2001.\n\nBackground: The FAA received three reports of misrouted rudder control cables in which the control cables were routed over the cable guard pins rather than between the cable guard pins and the cable pulleys. This condition could result in guard pin wear and separation or fraying of the cables with loss of rudder control.\n\n![](image.003.png)  \n\nDavid Alan Villiers\n\nDelegate of the Civil Aviation Safety Authority 11 January 2001\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 17 January 2001.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The text gives no indication the AD’s applicability or requirements were altered from its stated purpose. It applies to the specified serial-number range and requires inspection per Raytheon service instructions within the stated 50‑hour window, aligning with the FAA AD referenced in the Note."},"complexity_factors":["Narrow applicability limited to Model 58 serial numbers TH‑1576–TH‑1838 (straightforward identification of affected aircraft).","Dependence on external technical documents: Raytheon Mandatory Service Bulletin 27‑3265 plus the aircraft Maintenance/Shop Manual (implementation requires access to and following those documents).","Short compliance window: inspection required within 50 hours’ time in service of the effective date (scheduling burden for operators).","Potential follow-on corrective maintenance if misrouting or wear is found (uncertain repair scope and cost for owners/operators).","Technical nature of the inspection and any repair requires qualified maintenance personnel and shop capability.","Regulatory cross-reference: issued under CAR 1998 subregulation 39.1(1) and notes FAA AD 2000‑24‑04 (administrative linkage across jurisdictions)."],"plain_english_summary":"Requires owners/operators of Beech Model 58 aircraft (serials TH‑1576 through TH‑1838) to inspect the rudder control system per Raytheon Mandatory Service Bulletin 27‑3265 and the aircraft maintenance/shop manual within 50 flight hours of 17 January 2001. The AD responds to reports of misrouted rudder cables that can wear guard pins or fray cables, risking loss of rudder control. Compliance and any corrective maintenance costs fall to affected owners/operators; the directive was issued by a CASA delegate and references FAA AD 2000‑24‑04."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope — addressing a specific mechanical defect in a specific aircraft model range. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (approximately 250 words)","Only 1 defined applicability criterion (specific serial number range)","Single requirement referencing external technical documents (service bulletin and maintenance manual)","Simple compliance deadline (50 hours time-in-service from effective date)","No nested exceptions or conditional logic","No cross-references to other legislation beyond noting related FAA AD","Straightforward background explaining the safety risk"],"plain_english_summary":"This AD mandates inspection and correction of the rudder control system on Beechcraft Model 58 aircraft serials TH-1576 through TH-1838, requiring compliance with Raytheon Mandatory Service Bulletin 27-3265 and the maintenance manual. It addresses misrouted rudder cables that can wear or break pins and cables, risking complete loss of rudder control; inspections are required within 50 flight hours of 17 January 2001, and non‑compliance grounds the aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-87-rudder-control-system","history":"/api/acts/ad-beech-55-87-rudder-control-system/history","analysis":"/api/acts/ad-beech-55-87-rudder-control-system/analysis","conflicts":"/api/acts/ad-beech-55-87-rudder-control-system/conflicts","importantCases":"/api/acts/ad-beech-55-87-rudder-control-system/important-cases","documents":"/api/acts/ad-beech-55-87-rudder-control-system/documents"}}