{"id":"F2006L01102","name":"AD/CONVAIR/5 - Nose Landing Gear Axle","slug":"ad-convair-5-nose-landing-gear-axle","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":58453,"registerId":"commonwealth-F2006L01102-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Kelowna Flightcraft (General Dynamics/Co","sectionType":"division","heading":"Kelowna Flightcraft (General Dynamics/Convair) Series Aeroplanes","content":"### Kelowna Flightcraft (General Dynamics/Convair) Series Aeroplanes\n\n| AD/CONVAIR/5 | Nose Landing Gear Axle | 5/2006 |\n| ------------ | ---------------------- | ------ |\n\n| Applicability: | All model 340, 440, and all such model aircraft converted to turbopropeller power.                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Perform an ultrasonic inspection of each nose landing gear axle (part numbers 240-5217002 or 340-7310205) in accordance with the applicable provisions of the Accomplishment Instructions of General Dynamics Convair Division Service Bulletin 640 (340D) 32-13.2. Perform a magnetic particle inspection of the nose landing gear axle (part numbers 240-5217002 or 340-7310205) in accordance with the applicable provisions of the Accomplishment Instructions of Service Bulletin640 (340D) 32-13.Note: FAA AD 83-01-02 Amdt 39-4536 refers. |\n| Compliance:    | 1. Unless already accomplished, before the accumulation of 10,150 hours time in service.2. Within 12,000 hours time in service after 19 January 1983 (the effective date of FAA AD 83-01-02), and thereafter at intervals not to exceed 12,000 hours time in service.Note: All references to hours time in service in this AD compliance section apply to the nose landing gear axle and not to the aircraft.                                                                                                                                        |\n|                | This Airworthiness Directive becomes effective on 11 May 2006.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |\n| Background:    | The FAA requires certain actions that are intended to prevent fracture of the nose landing gear axle.                                                                                                                                                                                                                                                                                                                                                                                                                                                |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n29 March 2006","sortOrder":0},{"sectionNumber":"AD/CONVAIR/5","sectionType":"part","heading":"AD/CONVAIR/5","content":"## AD/CONVAIR/5","sortOrder":1},{"sectionNumber":"Nose Landing Gear Axle","sectionType":"part","heading":"Nose Landing Gear Axle","content":"## Nose Landing Gear Axle","sortOrder":2},{"sectionNumber":"5/2006","sectionType":"part","heading":"5/2006","content":"## 5/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive implements an FAA-originated inspection requirement aimed at preventing nose-gear axle fracture and applies to the same aircraft models and axle part numbers identified in the source (Applicability; Background). It does not expand the class of affected components or add new corrective actions beyond the specified NDT inspections and recurring intervals (Requirement; Compliance)."},"complexity_factors":["Limited technical scope: a single airworthiness concern (nose landing gear axle) affecting identified part numbers 240-5217002 and 340-7310205 (Applicability; Requirement).","Two non-routine NDT methods mandated (ultrasonic and magnetic particle), requiring qualified technicians and equipment (Requirement).","Time-in-service compliance triggers and recurring intervals (before 10,150 hours TIS if not already done; within 12,000 hours after 19 Jan 1983 and every 12,000 hours thereafter) create monitoring and tracking obligations (Compliance).","Clarification that ‘hours time in service’ references the axle, not the aircraft, which affects scheduling and record-keeping (Compliance note).","Dependence on external service instructions (General Dynamics Convair Service Bulletin 640 (340D) 32-13 / 32-13.2) and cross-reference to FAA AD 83-01-02 for procedural detail (Requirement; Background).","Operational cost and logistics fall on operators: arranging inspections, maintaining records, and any repairs/replacements discovered (implicit in Requirement & Compliance).","Effective date and retrospective compliance windows (effective 11 May 2006; compliance references to 19 Jan 1983) introduce potential retrospective compliance complexity for time-tracking (Compliance; Effective date)."],"plain_english_summary":"This Airworthiness Directive requires operators of Convair model 340 and 440 aeroplanes (including those converted to turboprop power) to have the nose landing gear axle (specified part numbers) inspected using ultrasonic and magnetic-particle methods to detect cracks and prevent axle fracture. Inspections must be done by set hours-in-service deadlines and then repeated at specified intervals. It affects aircraft owners/operators who pay for and arrange the inspections and any corrective work."},"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 focused specifically on nose landing gear axle inspections for a limited fleet of aging Convair aircraft. The scope remains tightly constrained to the original safety purpose — preventing axle fractures — with no evidence of scope creep or expansion beyond the specific mechanical issue identified."},"complexity_factors":["Very short document (approximately 250 words)","Only 2 defined part numbers referenced","Single technical requirement with two inspection methods","Simple compliance timeline with clear thresholds","No nested exceptions or conditional logic","Minimal cross-referencing (only one FAA AD mentioned for background)","Straightforward applicability statement covering specific aircraft models"],"plain_english_summary":"This AD mandates regular inspections of the nose landing‑gear axle on Convair 340/440 and their turboprop conversions to detect cracks, using ultrasonic and magnetic‑particle methods. It affects owners/operators of those aircraft because axle fractures could cause landing‑gear collapse.\n\nInitial inspection is required before the axle reaches 10,150 flight hours or within 12,000 hours after 19 Jan 1983, with repeats every 12,000 axle flight hours thereafter (hours count applies to the axle, not the airframe)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-convair-5-nose-landing-gear-axle","history":"/api/acts/ad-convair-5-nose-landing-gear-axle/history","analysis":"/api/acts/ad-convair-5-nose-landing-gear-axle/analysis","conflicts":"/api/acts/ad-convair-5-nose-landing-gear-axle/conflicts","importantCases":"/api/acts/ad-convair-5-nose-landing-gear-axle/important-cases","documents":"/api/acts/ad-convair-5-nose-landing-gear-axle/documents"}}