{"id":"F2009L02179","name":"AD/B747/334 Amdt 1 - Escape Slides, Ramp Slides, and Slides/Rafts of Upper Deck, Off-wing, and Main Doors","slug":"ad-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":140339,"registerId":"commonwealth-F2009L02179-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Boeing 747 Series Aeroplanes","sectionType":"division","heading":"Boeing 747 Series Aeroplanes","content":"### Boeing 747 Series Aeroplanes\n\n| AD/B747/334 Amdt 1 | Escape Slides, Ramp Slides, and Slides/Raftsof Upper Deck, Off-wing, and Main Doors | 7/2009 |\n| ------------------ | ----------------------------------------------------------------------------------- | ------ |\n\n| Applicability: | Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, -400F, SP and SR series aircraft, as identified in Boeing Service Bulletin 747-25-3279 Revision 4, or later FAA approved revision, or Boeing Service Bulletin 747-25-3232 original issue, or later FAA approved revision, as applicable.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Action in accordance with the technical requirements of FAA AD 2009-10-12 Amdt 39-15908.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of2 July 2009.Actions accomplished before 27 October 2005, in accordance with Boeing Service Bulletin 747-25-3279, dated 16 May 2002, are acceptable for compliance with the corresponding requirements of paragraph (g) of the requirement document.Actions accomplished before the effective date of this AD according to Boeing Service Bulletin 747-25-3279, Revision 2, dated 26 July 2006; or Revision 3, dated 18 January 2007; are considered acceptable for compliance with the corresponding actions specified in paragraph (g) of the requirement document.Actions accomplished before the effective date of this AD according to Boeing Service Bulletin 747-25-3279, dated 16 May 2002; Revision 1, dated 11 July 2002; Revision 2, dated 26 July 2006; or Revision 3, dated 18 January 2007; are considered acceptable for compliance with the corresponding actions specified in paragraph (k) of the requirement document. |\n|                | This Amendment becomes effective on 2 July 2009.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |\n| Background:    | The FAA received a report of 30 to 60-second delays in the inflation of escape slides/rafts. This Directive requires modification of the inflation systems of the upper deck escape slides, off-wing escape ramps/slides and slides, and doors 1, 2, 4, and 5 escape slides/rafts.This amendment adds an additional aircraft to the applicability.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |\n\n|     | The original issue of the Airworthiness Directive became effective 27 October 2005. |\n| --- | ----------------------------------------------------------------------------------- |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n22 May 2009","sortOrder":0},{"sectionNumber":"AD/B747/334 Amdt 1","sectionType":"part","heading":"AD/B747/334 Amdt 1","content":"## AD/B747/334 Amdt 1","sortOrder":1},{"sectionNumber":"Escape Slides, Ramp Slides, and Slides/R","sectionType":"part","heading":"Escape Slides, Ramp Slides, and Slides/Raftsof Upper Deck, Off-wing, and Main Doors","content":"## Escape Slides, Ramp Slides, and Slides/Rafts  \nof Upper Deck, Off-wing, and Main Doors","sortOrder":2},{"sectionNumber":"7/2009","sectionType":"part","heading":"7/2009","content":"## 7/2009","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":true,"description":"The original 2005 directive covered a specific set of aircraft. This 2009 amendment explicitly 'adds an additional aircraft to the applicability,' expanding the scope beyond the original intent. The core safety purpose (fixing slide inflation delays) remains the same, but the reach of the order has grown to capture more aircraft."},"complexity_factors":["Heavy reliance on external documents: the actual technical requirements are contained in FAA AD 2009-10-12 and Boeing Service Bulletins (747-25-3279 and 747-25-3232), which are not reproduced in the text","Multiple acceptable compliance pathways with specific date cutoffs (before 27 October 2005, before effective date of this AD)","Cross-referencing between different revisions of the same service bulletin (original, Rev 1, Rev 2, Rev 3) and different paragraphs of the requirement document (paragraphs g and k)","Applicability determined by reference to external Boeing documents rather than simple model list","Nested conditions for 'acceptable compliance' — work done under earlier versions of bulletins counts, but only for specific paragraphs of the FAA AD"],"plain_english_summary":"This CASA Airworthiness Directive requires operators of specified Boeing 747 variants to modify upper‑deck, off‑wing and main‑door escape slide inflation systems after the FAA found 30–60 second inflation delays that could impede emergency evacuations.\n\nCompliance follows FAA AD 2009‑10‑12 (effective 2 July 2009); prior modifications done per listed Boeing service bulletins receive credit. This amendment adds one model to the original 2005 coverage."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":true,"description":"This amendment expands the applicability by adding an additional aircraft to the affected list and updates accepted service bulletin revisions; it also sets a revised effective date (2 July 2009) and clarifies which prior actions are acceptable for compliance with specified paragraphs of the FAA AD."},"complexity_factors":["Cross-reference to FAA AD 2009‑10‑12 (dependency on a foreign regulator's directive) — (Requirement).","Multiple Boeing Service Bulletin documents and several revision levels are treated as acceptable, creating conditional compliance paths (Revision 1, 2, 3, 4; SB 747‑25‑3279 and 747‑25‑3232) — (Compliance/Applicability).","Wide model applicability covering numerous 747 subtypes, tied to identification in specific service bulletins — (Applicability).","Safety‑critical technical work on escape‑slide inflation systems requires specialised maintenance procedures, parts, and qualified personnel — (Requirement/Background).","Revised effective date and retroactive acceptance of earlier actions for particular AD paragraphs introduce temporal complexity in proving compliance — (Compliance).","Operational impacts: scheduling modifications causes aircraft downtime and imposes direct costs on operators (implied by Requirement/Compliance).","Potential need to coordinate approvals with CASA/FAA for 'later FAA approved revisions' increases administrative burden — (Applicability/Requirement)."],"plain_english_summary":"_Requires modification of escape‑slide inflation systems on specified Boeing 747 variants_, performed to the technical steps in FAA AD 2009‑10‑12 and the referenced Boeing service bulletins. The FAA reported 30–60 second delays in slide/raft inflation; this instrument directs aircraft operators/owners to carry out corrective work, follow approved service‑bulletin revisions, obtain any regulator approvals, bear the costs and manage aircraft downtime, and retain records demonstrating compliance."},"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-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors","history":"/api/acts/ad-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors/history","analysis":"/api/acts/ad-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors/analysis","conflicts":"/api/acts/ad-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors/conflicts","importantCases":"/api/acts/ad-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors/important-cases","documents":"/api/acts/ad-b747-334-amdt-1-escape-slides-ramp-slides-and-slides-rafts-of-upper-deck-off-wing-and-main-doors/documents"}}