{"id":"F2006B03314","name":"AD/B767/132 - Air Conditioning Duct Insulation","slug":"ad-b767-132-air-conditioning-duct-insulation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42751,"registerId":"commonwealth-F2006B03314-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/B767/132 Air Conditioning Duct Insula","sectionType":"part","heading":"AD/B767/132 Air Conditioning Duct Insulation 4/2001","content":"# AD/B767/132 Air Conditioning Duct Insulation 4/2001\n\nApplicability: Model 767-200, \\-300 and \\-300F series aircraft having the line numbers listed in the requirement document.\n\nRequirement: Rework duct assemblies or replace existing duct assemblies with new or reworked items in accordance with the technical requirements of FAA AD 2000-26-05 Amdt 39-12055.\n\nCompliance: Before 19 April 2007.\n\nThis Airworthiness Directive becomes effective on 19 April 2001.\n\nBackground: An FAA AD has been raised to prevent potential ignition of fibreglass insulation material installed on the outside of the Environmental control system (ECS) ducts, which could propagate a small fire and lead to a larger fire.\n\n![Signature of David Villiers, Delegate of the Civil Aviation Safety Authority.](image.003.png)  \n\nDavid Alan Villiers\n\nDelegate of the Civil Aviation Safety Authority 5 March 2001\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 21 March 2001.","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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow airworthiness directive addressing a specific safety defect in specific aircraft models. It has not expanded beyond its original purpose of mitigating fire risk in Boeing 767 duct insulation."},"complexity_factors":["Very short document (under 300 words)","Only 3 operative sections: Applicability, Requirement, and Compliance","Single cross-reference to external FAA technical document (AD 2000-26-05)","No defined terms section — technical terms (ECS, line numbers) rely on external aviation knowledge","No nested exceptions or conditional logic","Clear, unambiguous compliance deadline"],"plain_english_summary":"This CASA Airworthiness Directive orders operators of certain Boeing 767-200, -300 and -300F airframes to repair or replace fibreglass insulation on environmental control system ducts because it can ignite and let a small fire spread. It adopts FAA AD 2000-26-05 technical instructions, took effect 19 April 2001, and requires compliance by 19 April 2007. This is a legally binding safety order, not primary legislation."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The AD adopts and enforces the FAA remediation (FAA AD 2000‑26‑05) for ECS duct insulation on specified Boeing 767s. From the text provided there is no indication the scope was narrowed or expanded beyond that FAA-based requirement; it applies to the aircraft line numbers listed in the requirement document and retains the FAA technical instructions and compliance deadline."},"complexity_factors":["Limited technical scope: applies only to certain Boeing 767‑200/‑300/‑300F aircraft (requires consulting the requirement document for exact line numbers).","Incorporation by reference: requires compliance with FAA AD 2000‑26‑05 rather than setting out full technical instructions in this instrument (dependency on external document).","Binary compliance obligation with a firm deadline (before 19 April 2007) increases scheduling and operational-planning complexity for operators.","Options-based remedy: allows either rework or replacement of ducts, which creates choice and varying cost outcomes for operators.","Enforcement and administrative clarity: issued by CASA under CAR 1998 subregulation 39.1(1) and effective date specified, leaving limited regulatory discretion in application.","Operational impact: technical work may require parts, qualified maintenance labour and aircraft downtime, which are borne by operators."],"plain_english_summary":"Mechanically, this Airworthiness Directive requires operators of specified Boeing 767‑200, ‑300 and ‑300F airframes (line numbers listed in the requirement document) to rework or replace environmental control system (ECS) duct assemblies in accordance with FAA AD 2000‑26‑05. Work must be completed by 19 April 2007. \n\nCASA states the action is to prevent ignition of fibreglass insulation on ECS ducts. The compliance costs, parts and any aircraft downtime fall to the owners/operators; the CASA delegate enforces the requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b767-132-air-conditioning-duct-insulation","history":"/api/acts/ad-b767-132-air-conditioning-duct-insulation/history","analysis":"/api/acts/ad-b767-132-air-conditioning-duct-insulation/analysis","conflicts":"/api/acts/ad-b767-132-air-conditioning-duct-insulation/conflicts","importantCases":"/api/acts/ad-b767-132-air-conditioning-duct-insulation/important-cases","documents":"/api/acts/ad-b767-132-air-conditioning-duct-insulation/documents"}}