{"id":"F2006B07276","name":"AD/TB 200/9 - Nose Gear Fork","slug":"ad-tb-200-9-nose-gear-fork","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49215,"registerId":"commonwealth-F2006B07276-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)  \n\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 CASR 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\n![](image.001.png)  \n\nAerospatiale (Socata) TB 200 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/TB 200/9 Nose Gear Fork 10/2003","sectionType":"part","heading":"AD/TB 200/9 Nose Gear Fork 10/2003","content":"# AD/TB 200/9 Nose Gear Fork 10/2003\n\nApplicability: Model TB 200 aircraft, serial numbers 2054, 2074 through 2155, and 2184. Requirement: Action in accordance with Socata Service Bulletin TB No. 10-138, dated May 2003.\n\nNote: DGAC AD 2003-285(A) refers.\n\nCompliance: At the next major inspection after 2 October 2003 or before 31 December 2003, whichever occurs first.\n\nThis Airworthiness Directive becomes effective on 2 October 2003.\n\nBackground: This Directive requires inspection of the nose gear fork grain structure, due to the possibility of inverted material grain flow which may have occurred as a result of an incorrect manufacturing process.\n\n![Signature of David Villiers Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 20 August 2003\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 10 September 2003.","sortOrder":1}],"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 AD maintains its original narrow scope — addressing a specific manufacturing defect in a specific aircraft part for specific serial numbers. There is no evidence of scope creep; it remains a targeted safety intervention for the identified unsafe condition."},"complexity_factors":["Very short document (under 300 words)","Only 3 defined applicability criteria (specific serial number ranges)","Single requirement referencing an external technical document (Socata Service Bulletin)","Simple compliance deadline structure (whichever occurs first of two dates)","No nested exceptions, conditional logic, or cross-references to other legislation beyond a single note referencing a French aviation directive (DGAC AD 2003-285(A))","Clear, single-purpose safety mandate with no discretionary elements"],"plain_english_summary":"Owners/operators of certain Socata TB 200 aeroplanes (S/N 2054, 2074–2155, 2184) must inspect the nose‑gear fork for inverted grain structure per Socata Service Bulletin TB No.10‑138 (May 2003). This mandatory AD, effective 2 Oct 2003, requires inspection at the next major inspection after that date or by 31 Dec 2003 to prevent nose‑gear failure and possible aircraft damage or injury."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive confines required action to inspection of the nose gear fork on the listed TB 200 serial numbers and specifies the inspection method by reference to Socata Service Bulletin TB No. 10-138 (Requirement; Applicability). It does not broaden obligations beyond those aircraft or mandate repairs beyond the service bulletin instructions."},"complexity_factors":["Narrow, serial-numbered applicability — only specific TB 200 airframes listed (Applicability).","Single mandated action but reliance on an external technical document: compliance requires following Socata Service Bulletin TB No. 10-138 (Requirement).","Fixed, short compliance window tied to maintenance scheduling: next major inspection after 2 Oct 2003 or before 31 Dec 2003 (Compliance).","Technical nature of the inspection (grain-structure assessment) may require specialist judgement or non-routine tooling/techniques (Background + Requirement).","Regulatory enforceability and effective date set by CASA delegate; formal gazettal noted (Effective date / Signature / Gazette)."],"plain_english_summary":"Requires owners/operators of specified Aerospatiale (Socata) TB 200 aircraft (listed serial numbers) to inspect the nose-gear fork grain structure for possible inverted material grain flow, following Socata Service Bulletin TB No. 10‑138 (May 2003). The inspection must be done at the next major inspection after 2 October 2003 or by 31 December 2003, whichever is earlier. The measure addresses a manufacturing-related integrity concern for the affected part."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tb-200-9-nose-gear-fork","history":"/api/acts/ad-tb-200-9-nose-gear-fork/history","analysis":"/api/acts/ad-tb-200-9-nose-gear-fork/analysis","conflicts":"/api/acts/ad-tb-200-9-nose-gear-fork/conflicts","importantCases":"/api/acts/ad-tb-200-9-nose-gear-fork/important-cases","documents":"/api/acts/ad-tb-200-9-nose-gear-fork/documents"}}