{"id":"F2006B04629","name":"AD/BELL 407/16 - Fuel Filler Cap Electrical Bonding","slug":"ad-bell-407-16-fuel-filler-cap-electrical-bonding","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44381,"registerId":"commonwealth-F2006B04629-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\n![](image.001.png)  \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 CAR 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\nBell Helicopter Textron Canada (BHTC) 407 Series Helicopters","sortOrder":0},{"sectionNumber":"AD/BELL 407/16 Fuel Filler Cap Electrica","sectionType":"part","heading":"AD/BELL 407/16 Fuel Filler Cap Electrical Bonding 12/2001","content":"# AD/BELL 407/16 Fuel Filler Cap Electrical Bonding 12/2001\n\nApplicability: Model 407 helicopters, serial numbers 53000 to 53479 inclusive.\n\nRequirement: If not previously accomplished, incorporate BHTC Alert Service Bulletin 407-01-41 dated 23 May 2001.\n\nNote: Transport Canada AD CF-2001-34 refers.\n\nCompliance: Before 31 January 2002.\n\nThis Airworthiness Directive becomes effective on 29 November 2001.\n\nBackground: Transport Canada has advised that inadequate electrical bonding may exist between the retainer assembly part number (P/N) 206-062-304-101, fuel filler cap and adapter assembly P/N 206-362-002-103 and the fuel cell fitting which can cause arcing while refuelling as a result of a static discharge and potentially ignite the fuel vapour.\n\nCompliance with this Directive will ensure the retainer assembly, fuel filler cap and adapter, and fuel cell fitting are electrically bonded.\n\n![](image.002.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 17 October 2001\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 7 November 2001.","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"},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"No change of scope is evident in the AD text. It applies only to Model 407 helicopters with serial numbers 53000–53479 and mandates incorporation of BHTC Alert Service Bulletin 407‑01‑41 by the stated compliance date. The AD references Transport Canada AD CF‑2001‑34 but does not expand or narrow the applicability or requirements beyond the AD’s stated terms (Applicability, Requirement, Compliance, Note)."},"complexity_factors":["Narrow applicability: specific to Model 407, serial numbers 53000–53479 (Applicability).","Single, discrete mandated action: incorporation of BHTC Alert Service Bulletin 407‑01‑41 (Requirement).","Fixed compliance deadline: before 31 January 2002 (Compliance).","Dependency on external document: required work is defined by the manufacturer’s Alert Service Bulletin rather than detailed in the AD (Requirement).","Safety technical detail in Background: cites specific part numbers (retainer assembly P/N 206‑062‑304‑101; adapter P/N 206‑362‑002‑103) and the hazard (static discharge arcing) which operators must address (Background).","Who bears cost and execution responsibility: owner/operator must arrange and pay for compliance (Requirement/Compliance).","Low regulatory discretion: CASA delegate issued a prescriptive requirement under CAR 1998 subregulation 39.1(1), leaving little interpretive choice for operators (introductory paragraph).","Cross-reference to foreign regulator: notes Transport Canada AD CF‑2001‑34 (Note), creating parallel compliance expectations."],"plain_english_summary":"Requires owners/operators of Bell Helicopter Model 407 aircraft (serial numbers 53000–53479) to incorporate Bell Helicopter Textron Canada Alert Service Bulletin 407‑01‑41 so the fuel filler cap, adapter and fuel cell fitting are electrically bonded to prevent static‑discharge arcing during refuelling. Compliance was required by 31 January 2002; the AD took effect 29 November 2001.\n\nThe aircraft owner/operator must arrange and pay for the work and follow the service bulletin. The Civil Aviation Safety Authority delegate issued the AD under CAR 1998 subregulation 39.1(1)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope — addressing a specific electrical bonding defect in specific helicopter serial numbers. There is no evidence of scope creep; it remains a targeted safety directive for a defined mechanical issue."},"complexity_factors":["Very short document (under 300 words)","Only 4 operative sections: Applicability, Requirement, Compliance, and Background","Single, clear condition ('If not previously accomplished')","No defined terms section — all technical terms explained in context or self-explanatory","No cross-references to other legislation beyond a single note about a Canadian AD","Straightforward temporal compliance deadline with no exceptions or alternative methods"],"plain_english_summary":"This AD mandates owners/operators of Bell 407 helicopters (s/n 53000–53479) correct an electrical bonding fault on the fuel filler cap/retainer so static cannot build up and cause arcing during refuelling. Compliance requires following Bell Helicopter Alert Service Bulletin 407-01-41 (23 May 2001) if not already done, by 31 January 2002."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-407-16-fuel-filler-cap-electrical-bonding","history":"/api/acts/ad-bell-407-16-fuel-filler-cap-electrical-bonding/history","analysis":"/api/acts/ad-bell-407-16-fuel-filler-cap-electrical-bonding/analysis","conflicts":"/api/acts/ad-bell-407-16-fuel-filler-cap-electrical-bonding/conflicts","importantCases":"/api/acts/ad-bell-407-16-fuel-filler-cap-electrical-bonding/important-cases","documents":"/api/acts/ad-bell-407-16-fuel-filler-cap-electrical-bonding/documents"}}