{"id":"F2006B02695","name":"AD/B727/171 - Escape Slide","slug":"ad-b727-171-escape-slide","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42011,"registerId":"commonwealth-F2006B02695-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.001.png)\n\n![](image.001.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.\n\nBoeing 727 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/B727/171 Escape Slide 12/2001","sectionType":"part","heading":"AD/B727/171 Escape Slide 12/2001","content":"# AD/B727/171 Escape Slide 12/2001\n\nApplicability: Model 727-100 and \\-200 series aircraft, as listed in Boeing Service Bulletin 727-25- 0294, dated 25 May 2000.\n\nRequirement: Action in accordance with the technical requirements of FAA AD 2001-15-01 Amdt 39-12335.\n\nCompliance: As specified in the Requirement document.\n\nThis Airworthiness Directive becomes effective on 29 November 2001.\n\nBackground: The FAA requires modification of the escape slide latch assembly. The required action is intended to prevent failure of an escape slide to deploy or inflate correctly, which could result in the slide being unusable during an emergency evacuation.\n\n![Signature of Eugene Paul Holzapfel, Delegate of the Civil Aviation Safety Authority.](image.002.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 17 October 2001\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 7 November 2001.","sortOrder":1}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope — a specific safety modification for specific aircraft models. It does not expand beyond the original purpose of addressing the escape slide latch defect."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined applicability criterion (specific Boeing models)","Single requirement: comply with external FAA directive","No nested conditions or exceptions","No cross-references to other Australian legislation beyond CAR 1998 subregulation 39.1(1)","Essentially adopts by reference a US technical standard rather than spelling out requirements"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order for aircraft. It applies to **Boeing 727-100 and 727-200 series aircraft**.\n\n**What it does:**\n- Requires owners/operators to modify the **escape slide latch assembly** (the mechanism that holds emergency evacuation slides in place)\n- The specific technical work must follow **FAA AD 2001-15-01** — an American aviation safety order that CASA (Australia's aviation regulator) is adopting\n\n**Why it matters:**\n- Faulty latch assemblies can cause escape slides to **fail to deploy or inflate properly during an emergency evacuation**\n- This could trap passengers and crew inside the aircraft during a fire or other emergency\n\n**Who must comply:**\n- Anyone operating the specified Boeing 727 models in Australia\n- Compliance timing follows the American FAA directive\n\n**When it took effect:** 29 November 2001"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD adopts the FAA-required modification for escape‑slide latch assemblies on the Boeing 727‑100/‑200 aircraft listed in Boeing Service Bulletin 727‑25‑0294. The instrument implements the external FAA requirement without expanding or narrowing the listed applicability in the source text; it retains the same technical scope and purpose (preventing slide deployment/inflation failures)."},"complexity_factors":["Cross-reference to external technical instruments (FAA AD 2001-15-01 and Boeing Service Bulletin 727-25-0294) for the substantive requirements","Technical maintenance action (escape‑slide latch assembly modification) requiring certified personnel, parts and workshop time","Applicability limited to specific airframe models listed in the Boeing service bulletin (requires checking the bulletin to determine affected aircraft)","Compliance timing and procedures are dictated by the referenced documents rather than being restated in full in the AD","Regulatory effect: CASA AD gives legal force to the external FAA/Boeing requirements (delegated decision by CASA)","Operational impacts: aircraft downtime, procurement of parts, and maintenance scheduling for operators"],"plain_english_summary":"Requires operators of specified Boeing 727‑100 and 727‑200 aircraft to modify the escape‑slide latch assembly by following the technical steps in FAA AD 2001‑15‑01 and Boeing Service Bulletin 727‑25‑0294. Operators (aircraft owners/operators) must arrange and pay for the work within the compliance times set out in those documents. CASA issued the AD to prevent escape‑slide deployment or inflation failures during evacuations."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-b727-171-escape-slide","history":"/api/acts/ad-b727-171-escape-slide/history","analysis":"/api/acts/ad-b727-171-escape-slide/analysis","conflicts":"/api/acts/ad-b727-171-escape-slide/conflicts","importantCases":"/api/acts/ad-b727-171-escape-slide/important-cases","documents":"/api/acts/ad-b727-171-escape-slide/documents"}}