{"id":"F2006L03398","name":"AD/WHE/7 - Nosewheel Tyres","slug":"ad-whe-7-nosewheel-tyres","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60836,"registerId":"commonwealth-F2006L03398-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Wheels and Tyres","sectionType":"division","heading":"Wheels and Tyres","content":"### Wheels and Tyres\n\n| AD/WHE/7 | Nosewheel Tyres | 11/2006 |\n| -------- | --------------- | ------- |\n\n| Applicability: | Goodyear aviation tyres, part number 217K22-1, identified in Goodyear Aviation Service Bulletin SB-2005-32-004, Revision 5, dated December 22, 2005 that are installed on various transport category airplanes, certificated in any category, including but not limited to Bombardier Model BD700 series and Gulfstream Model G-1159, G-1159A, G-1159B, G-IV, GIV-X, GV, and GV-SP series aircraft.                                                                                                                                                                                                                                                                                                                                                               |\n| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Inspect the Nose Wheel Tyres to determine whether an affected S/N is installed, in accordance with the accomplishment instructions of Goodyear Aviation Service Bulletin SB-2005-32-004, Revision 5, dated December 22, 2005 or later FAA approved revision.2. Replace any tyre that has an affected S/N before further flight in accordance with the accomplishment instructions of the Goodyear service bulletin.Note 1: FAA AD 2006-18-08 Amdt 39-14746 refers.Note 2: Bombardier Alert Service Bulletins A700-32-019 and A700-1A11-32-007, both dated November 2, 2005; and the applicable Gulfstream alert customer bulletins are additional sources of service information for identifying the affected serial numbers and replacing the affected tyres. |\n| Compliance:    | 1. Within 60 days after the effective date of this AD.2. Before further flight                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |\n|                | This Airworthiness Directive becomes effective on 26 October 2006.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |\n| Background:    | This AD is issued due to reports of tread separations and tread area bulges on the nosewheel tyres. Tread separation from a nosewheel tyre during takeoff or landing could result in compromised nosewheel steering or ingestion of separated tread by an engine.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n14 September 2006","sortOrder":0},{"sectionNumber":"AD/WHE/7","sectionType":"part","heading":"AD/WHE/7","content":"## AD/WHE/7","sortOrder":1},{"sectionNumber":"Nosewheel Tyres","sectionType":"part","heading":"Nosewheel Tyres","content":"## Nosewheel Tyres","sortOrder":2},{"sectionNumber":"11/2006","sectionType":"part","heading":"11/2006","content":"## 11/2006","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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope aligns with the instrument's stated focus: inspection and mandatory replacement of Goodyear nosewheel tyres (part 217K22‑1) with identified serial numbers on listed transport‑category aircraft. The AD limits applicability by part number and serial numbers identified in the referenced service bulletins; no broader scope expansion is indicated in the text provided."},"complexity_factors":["Narrow technical scope: applies to a single Goodyear part number and specific serial numbers, reducing breadth but increasing need for precise identification.","Cross-references to manufacturer service bulletin (Goodyear SB‑2005‑32‑004 Rev 5) and additional sources (Bombardier/Gulfstream alerts) to identify affected serial numbers.","Two-step compliance: inspect within 60 days and immediate replacement before further flight if affected tyres are found, which affects operational scheduling.","Regulatory prescription leaves limited operator discretion: mandated replacement before further flight, creating direct cost obligation for operators.","Safety trade-off is operational disruption and replacement expense versus risk of tread separation with potential steering loss or engine ingestion."],"plain_english_summary":"This Airworthiness Directive requires operators to inspect Goodyear nosewheel tyres (part 217K22‑1, as listed in Goodyear SB‑2005‑32‑004 Rev 5) for specified serial numbers and replace any affected tyre before further flight. It applies to multiple transport‑category aircraft (including certain Bombardier BD700 and Gulfstream models), with inspections due within 60 days of the AD's effective date. Operators bear inspection and replacement costs; the AD follows reports of tread separations and bulges that could impair nose steering or be ingested by engines."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific defect in specific aircraft tyres. It has not expanded beyond its original purpose of addressing tread separation issues in the identified Goodyear tyres."},"complexity_factors":["Very short document (approximately 300 words)","Only 1 defined term implicitly used (S/N for serial number)","No cross-references to other legislation or complex conditional logic","Simple two-step compliance requirement with clear deadlines","Single purpose: identify affected tyres and replace them","References to external technical documents (Goodyear service bulletin) rather than legislative cross-references"],"plain_english_summary":"This CASA Airworthiness Directive mandates owners/operators of certain Bombardier BD700 and Gulfstream business jets to inspect Goodyear nosewheel tyres (part 217K22-1) for reported tread separation and replace any affected tyres before next flight. It targets safety-critical risk of steering failure or debris ingestion into engines; inspections must be completed within 60 days of the AD."}},"importantCases":[],"_links":{"self":"/api/acts/ad-whe-7-nosewheel-tyres","history":"/api/acts/ad-whe-7-nosewheel-tyres/history","analysis":"/api/acts/ad-whe-7-nosewheel-tyres/analysis","conflicts":"/api/acts/ad-whe-7-nosewheel-tyres/conflicts","importantCases":"/api/acts/ad-whe-7-nosewheel-tyres/important-cases","documents":"/api/acts/ad-whe-7-nosewheel-tyres/documents"}}