{"id":"F2006B03396","name":"AD/B767/42 - Fuel Tank Access Doors","slug":"ad-b767-42-fuel-tank-access-doors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42937,"registerId":"commonwealth-F2006B03396-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B767/42 - Fuel Tank Access Doors","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Boeing 767 Series Aeroplanes\n\n \n\nAD/B767/42 Fuel Tank Access Doors 9/90\n\nApplicability: All model 767 with line numbers 001 through 234. Requirement:  Action in accordance with Boeing Alert SB 767-28A0019. Compliance:               Prior to 30 October 1991.\n\nBackground: The incorporation of the Service Bulletin enables aircraft to comply with FAR 25.963(e) which provides for some fuel tank access panels to have a higher resistance to impact to reduce possibility of penetration from engine debris or objects thrown by the aircraft tyres.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2076},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope targeting specific early-production Boeing 767 aircraft (line numbers 1-234) for a defined safety modification to fuel tank access doors. There is no evidence of scope expansion beyond the original intent to address impact resistance requirements under FAR 25.963(e)."},"complexity_factors":["Extremely brief directive (under 100 words of operative text)","Single external technical reference (Boeing Alert SB 767-28A0019)","No defined terms, interpretation section, or legislative cross-references","Simple, unqualified applicability clause based on manufacturing line numbers","No exceptions, exemptions, conditional provisions, or nested logic","Clear, absolute compliance deadline with no alternative methods of compliance stated"],"plain_english_summary":"This directive mandates safety modifications to **fuel tank access doors** on early-production Boeing 767 aircraft to prevent catastrophic fuel leaks.\n\n**Who it affects:**\n- Airlines and operators of Boeing 767 aircraft with manufacturing line numbers 001 through 234 (essentially the first 234 aircraft built)\n\n**What it requires:**\n- Strengthen fuel tank access panels to better withstand impacts from engine debris or objects thrown by aircraft tyres\n- Follow the technical instructions in Boeing Alert Service Bulletin 767-28A0019\n- Complete all modifications before 30 October 1991\n\n**Why it matters:**\nWithout this upgrade, fuel tank access panels could be penetrated by debris during flight or takeoff/landing, risking fuel leaks or fires. The modification ensures compliance with international aviation safety standards (FAR 25.963(e)) designed to prevent fuel tank damage from external impacts."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b767-42-fuel-tank-access-doors","history":"/api/acts/ad-b767-42-fuel-tank-access-doors/history","analysis":"/api/acts/ad-b767-42-fuel-tank-access-doors/analysis","conflicts":"/api/acts/ad-b767-42-fuel-tank-access-doors/conflicts","importantCases":"/api/acts/ad-b767-42-fuel-tank-access-doors/important-cases","documents":"/api/acts/ad-b767-42-fuel-tank-access-doors/documents"}}