{"id":"F2006B03296","name":"AD/B767/115 - Nose Landing Gear Drag Strut","slug":"ad-b767-115-nose-landing-gear-drag-strut","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42733,"registerId":"commonwealth-F2006B03296-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B767/115 - Nose Landing Gear Drag Strut","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBoeing 767 Series Aeroplanes\n\nAD/B767/115 Nose Landing Gear Drag Strut 1/2000\n\nApplicability: Model 767-200 and \\-300 series aircraft, as listed in Boeing Service Bulletin 767- 32A0185, dated September 2 1999.\n\nRequirement: Action in accordance with the technical requirements of FAA AD 99-24-02 Amdt 39- 11426.\n\nCompliance: As specified in the Requirement document with a revised effective date of 31 December 1999.\n\nThis Airworthiness Directive becomes effective on 31 December 1999.\n\nBackground: The FAA received a report of a fracture of the lower drag strut of the nose landing gear. Investigation revealed the cause as thin wall thickness condition that occurred during the manufacturing process. This directive requires inspections to verify adequate thickness of lower drag struts.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive addressing a specific manufacturing defect in a specific aircraft component. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (under 200 words)","Only 1 defined term implicitly referenced (the Boeing Service Bulletin)","No nested conditional logic or exceptions","Single compliance pathway with clear deadline","References external technical document rather than embedding complex technical requirements in the text itself"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) for specific Boeing 767 aircraft.\n\n**What it does:**\n- Requires owners and operators of certain Boeing 767-200 and 767-300 planes to inspect the **nose landing gear drag strut** (a structural component that helps support and position the front landing gear)\n- The inspection checks for a manufacturing defect where the metal wall of this strut may be too thin, which could lead to cracking or breaking\n\n**Who it affects:**\n- Operators of Boeing 767-200 and 767-300 series aircraft specifically listed in Boeing Service Bulletin 767-32A0185\n- These are typically airlines and cargo operators flying these aircraft in Australian airspace or under Australian registration\n\n**Why it matters:**\n- The FAA (American aviation regulator) discovered that a fractured drag strut on a 767 was caused by thin walls from the factory\n- A broken drag strut could cause nose landing gear collapse — a serious safety risk during takeoff, landing, or taxiing\n- This directive prevents accidents by catching the defect before failure occurs\n\n**Key details:**\n- Compliance deadline: 31 December 1999\n- The technical work must follow the exact procedures in the referenced FAA directive (AD 99-24-02)"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive implements the stated original intent: require inspections of the nose landing gear lower drag strut to verify wall thickness because of a manufacturing thin-wall condition reported by the FAA. The scope is limited to the aircraft listed in the referenced Boeing service bulletin and the actions specified in FAA AD 99-24-02; nothing in the text expands or narrows that stated scope."},"complexity_factors":["Dependence on an external technical document (FAA AD 99-24-02) for the detailed inspection and corrective-action procedures","Applicability limited to specific models and to aircraft listed in a particular Boeing service bulletin","Safety-critical inspections requiring qualified maintenance personnel and possible part replacement","Compliance timing tied to a fixed effective date, creating scheduling and resource constraints for operators"],"plain_english_summary":"This directive requires operators of the Boeing 767-200/-300 aircraft listed in Boeing Service Bulletin 767-32A0185 to perform the inspections and any corrective actions specified in FAA AD 99-24-02 to verify lower nose-landing-gear drag strut wall thickness, after a reported fracture traced to thin wall manufacture. \n\nIt affects listed operators, who must follow the FAA AD’s procedures and timing (effective 31 December 1999) and bear inspection and repair costs."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b767-115-nose-landing-gear-drag-strut","history":"/api/acts/ad-b767-115-nose-landing-gear-drag-strut/history","analysis":"/api/acts/ad-b767-115-nose-landing-gear-drag-strut/analysis","conflicts":"/api/acts/ad-b767-115-nose-landing-gear-drag-strut/conflicts","importantCases":"/api/acts/ad-b767-115-nose-landing-gear-drag-strut/important-cases","documents":"/api/acts/ad-b767-115-nose-landing-gear-drag-strut/documents"}}