{"id":"F2006L02848","name":"AD/AMD 50/37 - Landing Gear Components","slug":"ad-amd-50-37-landing-gear-components","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60082,"registerId":"commonwealth-F2006L02848-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 50/37 | Landing Gear Components | 10/2006 |\n| ------------ | ----------------------- | ------- |\n\n| Applicability: | Falcon 900EX aircraft, serial numbers 155, 157, and 602 (also known as “DX” aircraft).                                                                                                                                                                                                                                                                                                                                    |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with EASA AD 2006-0113.Note: Dassault Aviation Service Bulletin F900EX-293 original issue, or later EASA approved revision, refers.                                                                                                                                                                                                                                                                  |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of28 September 2006.                                                                                                                                                                                                                                                                                                                              |\n|                | This Airworthiness Directive becomes effective on 28 September 2006.                                                                                                                                                                                                                                                                                                                                                      |\n| Background:    | A batch of landing gear structural components has been reported to have inadequate corrosion protection. Corrosion could occur before the scheduled inspection time, as recommended and defined in the aircraft maintenance manuals. Such corrosion, unless detected and corrected, could compromise the structural integrity of the landing gear, and lead to landing gear collapse and loss of control of the aircraft. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n17 August 2006","sortOrder":0},{"sectionNumber":"AD/AMD 50/37","sectionType":"part","heading":"AD/AMD 50/37","content":"## AD/AMD 50/37","sortOrder":1},{"sectionNumber":"Landing Gear Components","sectionType":"part","heading":"Landing Gear Components","content":"## Landing Gear Components","sortOrder":2},{"sectionNumber":"10/2006","sectionType":"part","heading":"10/2006","content":"## 10/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive does not broaden the class of affected aircraft; it targets three specific Falcon 900EX serial numbers. The only formal change recorded in the text is a revised effective date (28 September 2006) for compliance rather than an expansion or narrowing of technical scope (Compliance)."},"complexity_factors":["Cross‑reference to external mandatory documents (EASA AD 2006‑0113 and Dassault Service Bulletin F900EX‑293) requires operators to obtain and follow other instruments (Requirement).","Narrow applicability to three specific serial numbers (155, 157 and 602) creates administrative checks to identify affected aircraft (Applicability).","Technical nature of corrosion detection and corrective work requires specialised maintenance skills, parts and possible component replacement (Background).","Revised effective date and specified compliance timing affect maintenance scheduling and may require unscheduled downtime (Compliance: revised effective date of 28 September 2006).","Regulatory enforcement originates from CASA via its delegate, so national adoption of an EASA measure requires local administrative action (Delegate signature/issuance)."],"plain_english_summary":"This Civil Aviation Safety Authority Airworthiness Directive requires operators of Dassault Falcon 900EX aircraft (serial numbers 155, 157 and 602) to inspect and, where necessary, repair or modify landing‑gear structural components by following EASA AD 2006‑0113 and Dassault Service Bulletin F900EX‑293 (or later EASA‑approved revisions). It responds to reports that a batch of parts has inadequate corrosion protection.\n\nThe directive, effective 28 September 2006, shifts maintenance timing so operators must inspect earlier and carry the cost of inspections, repairs or part replacement."},"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 targeting a specific manufacturing defect in a small batch of aircraft components. The scope remains tightly focused on the original safety issue — inadequate corrosion protection in landing gear parts for three specific aircraft."},"complexity_factors":["Very short document (under 300 words)","Only 3 specific aircraft affected (narrow applicability)","Single requirement: comply with external EASA directive","No defined terms section","No nested exceptions or conditional logic","Clear compliance deadline (single date)","Cross-reference to only one external document (EASA AD 2006-0113)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's aviation regulator (CASA). It requires specific owners/operators of certain Falcon 900EX private/business jets to inspect and potentially fix their landing gear.\n\n**What it does:**\n- Targets three specific Falcon 900EX aircraft (serial numbers 155, 157, and 602 — nicknamed \"DX\" aircraft)\n- Mandates compliance with a European safety order (EASA AD 2006-0113)\n- Requires following a specific Dassault Aviation service bulletin about landing gear components\n\n**Why it matters:**\nA batch of landing gear parts was manufactured with poor corrosion protection. Without this fix, the landing gear could rust and weaken *before* its normal inspection interval, potentially causing the gear to collapse during landing and the pilot to lose control of the aircraft.\n\n**Who must act:**\nOwners or operators of the three specific aircraft listed above. They must complete the required actions by 28 September 2006."}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-50-37-landing-gear-components","history":"/api/acts/ad-amd-50-37-landing-gear-components/history","analysis":"/api/acts/ad-amd-50-37-landing-gear-components/analysis","conflicts":"/api/acts/ad-amd-50-37-landing-gear-components/conflicts","importantCases":"/api/acts/ad-amd-50-37-landing-gear-components/important-cases","documents":"/api/acts/ad-amd-50-37-landing-gear-components/documents"}}