{"id":"F2007L04523","name":"AD/AMD 50/43 - Rivets between Frames 9 and 10, and Stringer Reinforcements","slug":"ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":70996,"registerId":"commonwealth-F2007L04523-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AMD Falcon 50 and 900 Series Aeroplanes","sectionType":"division","heading":"AMD Falcon 50 and 900 Series Aeroplanes","content":"### AMD Falcon 50 and 900 Series Aeroplanes\n\n| AD/AMD 50/43 | Rivets between Frames 9 and 10, andStringer Reinforcements | 13/2007 |\n| ------------ | ---------------------------------------------------------- | ------- |\n\n| Applicability: | Model Falcon 900EX (version F900DX) aircraft, serial numbers 601 through 605.                                                                                                                             |\n| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of EASA AD 2006-0320-E.                                                                                                                                        |\n| Compliance:    | Before 31 December 2007.                                                                                                                                                                                  |\n|                | This Airworthiness Directive becomes effective on 20 December 2007.                                                                                                                                       |\n| Background:    | The manufacturer has determined that some stringer reinforcements and some rivets are missing from the skin panels on each side of the fuselage between frames 9 and 10 on certain Falcon 900DX aircraft. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n7 November 2007","sortOrder":0},{"sectionNumber":"AD/AMD 50/43","sectionType":"part","heading":"AD/AMD 50/43","content":"## AD/AMD 50/43","sortOrder":1},{"sectionNumber":"Rivets between Frames 9 and 10, andStrin","sectionType":"part","heading":"Rivets between Frames 9 and 10, andStringer Reinforcements","content":"## Rivets between Frames 9 and 10, and  \nStringer Reinforcements","sortOrder":2},{"sectionNumber":"13/2007","sectionType":"part","heading":"13/2007","content":"## 13/2007","sortOrder":3}],"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 single-issue Airworthiness Directive addressing a specific manufacturing defect in a small fleet of aircraft. It has not expanded beyond its original purpose of mandating repairs for missing rivets and stringer reinforcements."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only one substantive requirement: comply with an external European directive (EASA AD 2006-0320-E)","Narrow applicability: only 5 specific aircraft by serial number","No defined terms section, no cross-references to other Australian legislation","Simple unconditional compliance deadline (before 31 December 2007)","Single background fact pattern with no exceptions or alternative compliance methods"],"plain_english_summary":"This AD mandates structural repairs to five Dassault Falcon 900EX (F900DX) jets, serials 601–605, after discovery of missing stringers and rivets in the fuselage skin between frames 9 and 10. Owners/operators must complete the repair per EASA AD 2006‑0320‑E by 31 December 2007 (AD effective 20 December 2007); compliance is mandatory to maintain legal airworthiness."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No change of scope is apparent in the instrument text. The AD applies only to Falcon 900EX (F900DX) serials 601–605 and requires compliance with EASA AD 2006‑0320‑E by a specified date (Applicability; Requirement; Compliance). It does not broaden applicability or add requirements beyond those referenced."},"complexity_factors":["Narrow applicability: limited to Model Falcon 900EX (F900DX) serial numbers 601–605 (Applicability).","External dependency: mandates action by reference to EASA AD 2006‑0320‑E rather than specifying technical steps itself (Requirement).","Fixed deadline: short compliance window to 31 December 2007 creates scheduling/operational pressure (Compliance).","Technical work: structural rivet and stringer installation/inspection requires specialised maintenance resources and parts (Background/Requirement).","Low administrative discretion: directive prescribes compliance rather than permitting alternatives, with CASA enforcement (effective date/signature)."],"plain_english_summary":"This Airworthiness Directive orders operators of Dassault Falcon 900EX (F900DX) serial numbers 601–605 to follow the inspections and repair steps in EASA AD 2006‑0320‑E to install missing rivets and stringer reinforcements on the fuselage between frames 9 and 10. It takes effect 20 December 2007 and must be complied with by 31 December 2007. Operators fund and carry out the work; the Civil Aviation Safety Authority enforces the requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements","history":"/api/acts/ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements/history","analysis":"/api/acts/ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements/analysis","conflicts":"/api/acts/ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements/conflicts","importantCases":"/api/acts/ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements/important-cases","documents":"/api/acts/ad-amd-50-43-rivets-between-frames-9-and-10-and-stringer-reinforcements/documents"}}