{"id":"F2006L02847","name":"AD/B737/28 Amdt 2 - Flight Attendant Seats","slug":"ad-b737-28-amdt-2-flight-attendant-seats","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60080,"registerId":"commonwealth-F2006L02847-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Boeing 737 Series Aeroplanes","sectionType":"division","heading":"Boeing 737 Series Aeroplanes","content":"### Boeing 737 Series Aeroplanes\n\n| AD/B737/28 Amdt 2 | Flight Attendant Seats | 10/2006 |\n| ----------------- | ---------------------- | ------- |\n\n| Applicability: | All model 737 aircraft equipped with Burns Aerospace Corporation (Trans Aero) flight attendant seats part number 90835.                                                                                                                                                                                               |\n| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Inspect seat pan roller fittings in accordance with Burns Aerospace SB No 113, Revision D, dated 14 May 1993, or later FAA approved revision.Note 1: FAA AD 89-14-11 Amdt 39-6256 refers.Note 2: Replacement in accordance with paragraph C. 5. of Revision D of the Service Bulletin constitutes terminating action. |\n| Compliance:    | At intervals not exceeding18 months, unless replacement in accordance with paragraph C. 5. of Revision D of the Service Bulletin is accomplished. Such replacement is terminating action.                                                                                                                             |\n|                | This Amendment becomes effective on 28 September 2006.                                                                                                                                                                                                                                                                |\n| Background:    | Amendment 1 of this AD called up Revision A of the Service Bulletin which specified inspection, but no Terminating Action. This Amendment calls up Revision D of the Service Bulletin, which includes the option of a replacement which constitutes terminating action.                                               |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n18 August 2006","sortOrder":0},{"sectionNumber":"AD/B737/28 Amdt 2","sectionType":"part","heading":"AD/B737/28 Amdt 2","content":"## AD/B737/28 Amdt 2","sortOrder":1},{"sectionNumber":"Flight Attendant Seats","sectionType":"part","heading":"Flight Attendant Seats","content":"## Flight Attendant Seats","sortOrder":2},{"sectionNumber":"10/2006","sectionType":"part","heading":"10/2006","content":"## 10/2006","sortOrder":3}],"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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment remains tightly focused on its original purpose — ensuring the airworthiness of specific flight attendant seats on Boeing 737 aircraft. The change from Amendment 1 to Amendment 2 simply updates the referenced technical standard (from Revision A to Revision D of the Service Bulletin) to incorporate a terminating action. This is a refinement within scope, not scope creep."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term implicitly referenced (part number 90835)","Single, clear compliance pathway with one explicit exception (replacement terminates inspection requirement)","No nested conditional logic or cross-references to other legislation","Refers to external technical document (Service Bulletin) but provides clear citation","Simple binary choice: inspect every 18 months OR replace to end obligation"],"plain_english_summary":"This CASA Airworthiness Directive requires operators of Boeing 737s fitted with Burns Aerospace flight attendant seats (P/N 90835) to inspect the seat pan roller fittings per Service Bulletin No. 113, Revision D, or replace them. Replacing the fittings per the bulletin provides a terminating action to stop recurring inspections.\n\nIt affects airlines and maintenance crews and aims to prevent seat failures that could injure crew or impede evacuation."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 2 expands the compliance options compared with the earlier amendment. Previously Amendment 1 called up Revision A of the Service Bulletin, which required inspection but offered no terminating action. This Amendment calls up Revision D of Burns Aerospace SB No 113, which includes the option of replacement (paragraph C.5 of Rev D) that constitutes terminating action, allowing operators to stop further inspections by performing that replacement (Background; Requirement; Compliance)."},"complexity_factors":["Narrow applicability: only Boeing 737 aircraft with Burns Aerospace flight attendant seats P/N 90835 (Applicability).","Prescriptive inspection requirement referencing an external service bulletin (Burns Aerospace SB No 113 Rev D) rather than detailing procedures in the AD (Requirement).","Recurring compliance interval (every 18 months) imposes ongoing operational burden (Compliance).","Optional terminating action via replacement under paragraph C.5 of Rev D creates a choice between recurring costs and a one‑off cost (Requirement; Compliance).","Cross‑reference to an FAA AD (FAA AD 89‑14‑11) and to later FAA‑approved revisions adds dependency on external regulatory documents (Requirement/Note 1).","Effective date and delegated enforcement by the Civil Aviation Safety Authority add a formal compliance timeline and administrative oversight (Compliance; effective date)."],"plain_english_summary":"Requires operators of all Boeing 737 aircraft fitted with Burns Aerospace (Trans Aero) flight attendant seats P/N 90835 to inspect seat‑pan roller fittings per Burns Aerospace SB No 113 Revision D (or later) at intervals not exceeding 18 months, unless the seat replacement described in paragraph C.5 of Revision D is done; that replacement is terminating action. Aircraft operators pay for and must choose between recurring inspections or a one‑time replacement to end the inspection requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b737-28-amdt-2-flight-attendant-seats","history":"/api/acts/ad-b737-28-amdt-2-flight-attendant-seats/history","analysis":"/api/acts/ad-b737-28-amdt-2-flight-attendant-seats/analysis","conflicts":"/api/acts/ad-b737-28-amdt-2-flight-attendant-seats/conflicts","importantCases":"/api/acts/ad-b737-28-amdt-2-flight-attendant-seats/important-cases","documents":"/api/acts/ad-b737-28-amdt-2-flight-attendant-seats/documents"}}