{"id":"F2006B11296","name":"AD/ML-M5/1 - Fuel Lines - Inspection","slug":"ad-ml-m5-1-fuel-lines-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57119,"registerId":"commonwealth-F2006B11296-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ML-M5/1 - Fuel Lines - Inspection","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)  Maule M-5 Series Aeroplanes\n\n \n\nAD/ML-M5/1 Fuel Lines - Inspection 10/78\n\nApplicability: Model M-5-210C with S/Nos. 6190C to 6204C. Model M-5-235C with S/Nos. 7061C to 7160C, 7163C to 7167C, 7169C to 7192C, 7194C and 7197C.\n\n \n\nDocument: Maule SL No. 39.\n\n \n\nCompliance: Within 100 hours time in service after 31 October 1978.\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\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive focused on a specific known defect in specific aircraft. It has not expanded beyond its original purpose of mandating fuel line inspections for the identified Maule models."},"complexity_factors":["Very short document (under 200 words)","Only 4 defined elements: applicability (specific serial numbers), document reference, compliance deadline, and subject matter","No cross-references to other legislation beyond the parent Civil Aviation Regulations 1998","Simple conditional logic: if you own this specific aircraft, you must do this specific inspection","No nested exceptions or subordinate provisions"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety notice issued by Australia's Civil Aviation Safety Authority (CASA) requiring specific aircraft owners to inspect their fuel lines.\n\n**What it does:**\n- Orders owners of specific Maule M-5 series aeroplanes (small aircraft) to inspect their fuel lines for defects\n- Applies only to certain serial numbers of two models: the M-5-210C and M-5-235C\n\n**Who it affects:**\n- Owners and operators of approximately 100+ specific Maule aircraft (based on the serial number ranges listed)\n- Anyone maintaining these aircraft must ensure the inspection is done\n\n**Why it matters:**\n- Fuel line failures can cause engine stoppage or fires — this is a critical safety issue\n- The directive references a manufacturer service letter (Maule SL No. 39), suggesting the manufacturer identified a defect\n- **Compliance is mandatory** — aircraft cannot legally fly until this inspection is completed within 100 hours of flying time after 31 October 1978\n\n**Key deadline:** The inspection had to be done within 100 hours of flight time after 31 October 1978 (this is a historical directive from 1978, though ADs remain binding until complied with or superseded)."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive sets a targeted inspection requirement for specific M-5-210C and M-5-235C serial numbers and references the manufacturer service letter for procedure. The instrument does not expand or narrow applicability beyond the listed models/serial numbers or add additional obligations beyond the inspection and its deadline. No amendment or extension of scope is indicated in the text. (See \"Applicability\", \"Document\" and \"Compliance\".)"},"complexity_factors":["Narrow, explicit applicability (specific models and serial numbers) reduces scope complexity (\"Applicability\" line).","Single, clearly stated required action (inspect fuel lines) and a single compliance deadline simplify obligations (\"Fuel Lines - Inspection\" title; \"Compliance\" line).","Reference to an external manufacturer document (Maule SL No. 39) increases implementation complexity because the procedure and proof of compliance depend on that document (\"Document\" line).","No procedural detail in the directive itself (no inspection steps or recordkeeping requirements stated) creates potential ambiguity for implementers.","Fixed compliance window tied to flight hours and a date creates operational scheduling complexity for owners/operators (\"Compliance\" line)."],"plain_english_summary":"Owners/operators of specified Maule M‑5‑210C and M‑5‑235C serial numbers must have fuel lines inspected per Maule SL No. 39 within 100 hours time‑in‑service after 31 October 1978. The requirement is mandatory under the Civil Aviation Safety Authority; owners arrange and pay for the inspection and any follow‑up work to address identified issues."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ml-m5-1-fuel-lines-inspection","history":"/api/acts/ad-ml-m5-1-fuel-lines-inspection/history","analysis":"/api/acts/ad-ml-m5-1-fuel-lines-inspection/analysis","conflicts":"/api/acts/ad-ml-m5-1-fuel-lines-inspection/conflicts","importantCases":"/api/acts/ad-ml-m5-1-fuel-lines-inspection/important-cases","documents":"/api/acts/ad-ml-m5-1-fuel-lines-inspection/documents"}}