{"id":"F2006B03119","name":"AD/B747/219 - Lateral Control System Cable Guards","slug":"ad-b747-219-lateral-control-system-cable-guards","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42491,"registerId":"commonwealth-F2006B03119-current","compilationNumber":null,"startDate":"2026-04-01","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 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/B747/219 Lateral Control System Cable","sectionType":"part","heading":"AD/B747/219 Lateral Control System Cable Guards 2/2000","content":"# AD/B747/219 Lateral Control System Cable Guards 2/2000\n\nApplicability: Model 747 series aircraft, as listed in Boeing Alert Service Bulletin 747-27A2364. Requirement: Action in accordance with the technical requirements of FAA AD 99-24-16 Amdt 39-\n\n11441.\n\nCompliance: Before 4 January 2002, unless already accomplished.\n\nThis Airworthiness Directive becomes effective on 24 February 2000.\n\nBackground: The FAA received reports of high control wheel forces and restricted control wheel movement in the lateral control system of a Boeing 747 aircraft. Investigation revealed deterioration and splintering of the lateral control system cable guard material into the cable pulley covers in the cabin sidewall area, which resulted in a hard jam in the control system. This Directive requires replacement of the affected cable guards with new, improved cable guards.\n\n![Signature of Eugene Paul Holzapfel, Delegate of the Civil Aviation Safety Authority.](image.003.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 18 January 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 27 January 2000.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope remains as originally framed: replacement of affected lateral control cable guards on the specified Boeing 747 models per the FAA AD and Boeing service bulletin, with the same applicability and compliance deadline stated in the instrument."},"complexity_factors":["Cross-reference dependency: mandates compliance with FAA AD 99-24-16 and a Boeing Alert Service Bulletin, requiring access to and alignment with external documents.","Technical execution: replacement of cable guards requires qualified maintenance personnel, parts procurement and potential disassembly of cabin sidewall/pulley covers.","Applicability check: applies only to 747 models listed in the Boeing service bulletin, so operators must verify applicability against their fleet.","Fixed compliance deadline (4 January 2002) creates scheduling and possible downtime/cost pressures for operators.","Regulatory enforcement: issued under CAR 1998 subregulation 39.1(1) by a CASA delegate, creating mandatory legal obligation and recordkeeping requirements.","Supply and logistics risk: availability of improved guards and maintenance slots may affect implementation timing and costs."],"plain_english_summary":"This Airworthiness Directive requires operators of the Boeing 747 models listed in Boeing Alert Service Bulletin 747-27A2364 to replace specific lateral control‑system cable guards with an improved design, following the technical instructions of FAA AD 99-24-16. Compliance is required by 4 January 2002. It responds to reports that deteriorating guard material had splintered into pulley covers and caused hard jams, so operators must bear parts, labour and downtime to complete the mandated replacement."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue safety directive focused specifically on cable guard replacement in Boeing 747 lateral control systems. It has not expanded beyond its original narrow technical purpose."},"complexity_factors":["Very short document (under 300 words)","Only 3 defined structural sections (Applicability, Requirement, Compliance)","Single cross-reference to external FAA directive for technical details","No nested exceptions or conditional logic","Straightforward command structure: identify aircraft → do action → by deadline","Minimal legislative drafting — reads more like an administrative notice than statute"],"plain_english_summary":"This AD mandates replacing deteriorating lateral control cable guards on certain Boeing 747s to prevent broken guard fragments jamming the control wheel and impairing steering. It affects owners/operators of 747s covered by Boeing Service Bulletin 747-27A2364. Effective 24 Feb 2000, compliance required by 4 Jan 2002 (or sooner if already done); detailed procedures are in the referenced FAA directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b747-219-lateral-control-system-cable-guards","history":"/api/acts/ad-b747-219-lateral-control-system-cable-guards/history","analysis":"/api/acts/ad-b747-219-lateral-control-system-cable-guards/analysis","conflicts":"/api/acts/ad-b747-219-lateral-control-system-cable-guards/conflicts","importantCases":"/api/acts/ad-b747-219-lateral-control-system-cable-guards/important-cases","documents":"/api/acts/ad-b747-219-lateral-control-system-cable-guards/documents"}}