{"id":"F2008L01509","name":"AD/A330/87 - MLG Wheel Assemblies P/N 3-1509-2","slug":"ad-a330-87-mlg-wheel-assemblies-p-n-3-1509-2","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":119890,"registerId":"commonwealth-F2008L01509-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus Industrie A330 Series Aeroplanes","sectionType":"division","heading":"Airbus Industrie A330 Series Aeroplanes","content":"### Airbus Industrie A330 Series Aeroplanes\n\n| AD/A330/87 | MLG Wheel Assemblies P/N 3-1509-2 | 6/2008 |\n| ---------- | --------------------------------- | ------ |\n\n| Applicability: | Model A330 -301, -321, -322, -341, and -342 aircraft, all serial numbers, fitted with Messier-Goodrich main landing gear (MLG) wheel assemblies part number 3-1509-2; and without AIRBUS Service Bulletin A330-32-3167 incorporated in service.                                                                            |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of DGAC AD F-2003-392(B).Note: AIRBUS Service Bulletin A330-32-3167 original issue, or later DGAC/EASA approved revision, refers.                                                                                                                                               |\n| Compliance:    | Unless already accomplished, before 30 June 2008.                                                                                                                                                                                                                                                                          |\n|                | This Airworthiness Directive becomes effective on 5 June 2008.                                                                                                                                                                                                                                                             |\n| Background:    | Operators of A330 aircraft fitted with Messier-Goodrich MLG wheel assemblies part number 3-1509-2 have reported tie bolts (inboard and outboard rim attachment bolts), broken or missing from the MLG wheel assemblies. In some cases, the wheels have ruptured and caused damage to other equipment in the adjacent area. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n21 April 2008","sortOrder":0},{"sectionNumber":"AD/A330/87","sectionType":"part","heading":"AD/A330/87","content":"## AD/A330/87","sortOrder":1},{"sectionNumber":"MLG Wheel Assemblies P/N 3-1509-2","sectionType":"part","heading":"MLG Wheel Assemblies P/N 3-1509-2","content":"## MLG Wheel Assemblies P/N 3-1509-2","sortOrder":2},{"sectionNumber":"6/2008","sectionType":"part","heading":"6/2008","content":"## 6/2008","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD’s scope is narrowly targeted: it applies only to A330 −301/‑321/‑322/‑341/‑342 aircraft fitted with MLG wheel assemblies P/N 3‑1509‑2 that have not incorporated Airbus Service Bulletin A330‑32‑3167. It does not broaden applicability beyond those part‑numbered wheels or the listed models (Applicability)."},"complexity_factors":["Cross‑reference to an overseas airworthiness directive (DGAC AD F‑2003‑392(B)) rather than containing stand‑alone technical steps (Requirement).","Dependence on incorporation status of a manufacturer service bulletin (AIRBUS SB A330‑32‑3167) to determine applicability (Applicability).","Parts‑specific scope limited to Messier‑Goodrich MLG wheel assemblies P/N 3‑1509‑2, requiring accurate fleet/parts tracking (Applicability).","Fixed compliance deadline creating scheduling and logistical pressure for operators and maintenance providers (Compliance).","Technical work (inspection/bolt replacement/repairs) that may need specialised parts or tooling and can cause aircraft downtime (Background/Requirement).","Regulatory enforcement triggered by operator non‑compliance and effective date set by CASA delegate (Compliance, signature block)."],"plain_english_summary":"This Airworthiness Directive requires operators of certain A330 models fitted with Messier‑Goodrich main landing‑gear wheel assemblies P/N 3‑1509‑2 (and not yet modified by Airbus Service Bulletin A330‑32‑3167) to carry out the actions mandated by French DGAC AD F‑2003‑392(B) by 30 June 2008; the AD became effective 5 June 2008. Operators must schedule inspections/repairs per the referenced service bulletin; the regulator enforces compliance and operators pay for the maintenance, parts and operational downtime."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive addressing a specific safety defect in specific aircraft components. It has not expanded beyond its original purpose of mandating safety action for defective MLG wheel assemblies."},"complexity_factors":["Single, specific technical requirement (comply with referenced French DGAC directive)","Narrow applicability (5 specific A330 models, 1 specific part number, excludes aircraft with specific service bulletin)","Simple compliance deadline (single date, no phased requirements)","No defined terms section or interpretation provisions","No conditional logic or nested exceptions — straightforward 'if applicable, then comply'","Short document (approximately 200 words of substantive content)"],"plain_english_summary":"This CASA Airworthiness Directive forces Australian operators of certain Airbus A330 variants fitted with Messier-Goodrich MLG wheel assemblies (P/N 3-1509-2) to inspect or replace those wheels by 30 June 2008, adopting the DGAC French AD’s safety instructions.\n\nIt responds to reports of tie-bolt breakage and wheel ruptures that can damage aircraft and risk catastrophic gear failure on takeoff or landing, so affected operators must comply to ensure continued airworthiness."},"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-a330-87-mlg-wheel-assemblies-p-n-3-1509-2","history":"/api/acts/ad-a330-87-mlg-wheel-assemblies-p-n-3-1509-2/history","analysis":"/api/acts/ad-a330-87-mlg-wheel-assemblies-p-n-3-1509-2/analysis","conflicts":"/api/acts/ad-a330-87-mlg-wheel-assemblies-p-n-3-1509-2/conflicts","importantCases":"/api/acts/ad-a330-87-mlg-wheel-assemblies-p-n-3-1509-2/important-cases","documents":"/api/acts/ad-a330-87-mlg-wheel-assemblies-p-n-3-1509-2/documents"}}