{"id":"F2006B05351","name":"AD/P68/24 Amdt 3 - Fuel and Janitrol Lines","slug":"ad-p68-24-amdt-3-fuel-and-janitrol-lines","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45874,"registerId":"commonwealth-F2006B05351-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/P68/24 Amdt 3 - Fuel and Janitrol Lines","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)  \nPartenavia P68 Series Aeroplanes\n\nAD/P68/24\n\nAmdt 3\n\n  \nFuel and Janitrol Lines 6/96\n\nApplicability: Model P68C-TC up to S/N 375-45-TC; P68 TC Observer S/N 344-01-OTC and S/N 340-02-OTC; P68, P68B, P68R, P68C and P68 Observer from S/N 01 up to and including 381.\n\nRequirement: Gain access to fuel and janitol system lines behind the engine upper firewalls. Inspect lines to ensure no asbestos fire sleeving is present and lines are free of corrosion.\n\nInspect front face of spar, in area where the lines are located for signs of corrosion. If corrosion is present, action in accordance with Partenavia Service Instruction 17, 39 or 40, as applicable. If stainless steel lines are installed and no corrosion is present on the wing spar, compliance with this Directive can be certified as terminating action.\n\nNote 1: RAI AD 95-335 dated 27.12.95 supersedes and replaces RAI AD No 91-124 dated 08.03.1991.\n\nNote 2: Partenavia SB No 61 Rev 3 refers.\n\nCompliance: If not previously inspected; by 30 May 1996. Thereafter re-inspect at intervals not exceeding 100 hours time in service until the fuel and janitrol lines have been replaced with stainless steel lines. A certification, when stainless steel lines have been installed, must be entered in the airframe log book.\n\nBackground: Aluminium fuel lines located behind the engine firewall are prone to corrosion and require replacement with lines made from stainless steel. Amendment 2 was raised to clarify the inspection and replacement requirements, while this amendment has been raised to extend the aircraft applicability requirement.","sortOrder":0}],"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":5,"scope_assessment":{"changed":true,"description":"This amendment extends the directive's aircraft applicability to cover additional Partenavia P68 serial numbers and models, broadening the set of aircraft required to comply (Background)."},"complexity_factors":["Detailed applicability by model and serial number requires operators to check aircraft eligibility before acting (Applicability).","Inspection access behind the engine upper firewall involves maintenance effort and potential removal of components (Requirement).","Dual inspection targets: detect asbestos fire sleeving and metal corrosion on lines and on the front face of the wing spar (Requirement).","Remedial actions depend on technical service instructions (Partenavia Service Instruction 17, 39 or 40), creating dependency on manufacturer documents (Requirement).","Ongoing compliance until replacement: repeat inspections every 100 hours until stainless steel lines are fitted increases operational burden and recordkeeping (Compliance).","Certifying terminating action requires a logbook entry when stainless steel lines are installed, imposing administrative compliance (Compliance).","Costs (inspection, repair, replacement) fall on operators; installing stainless lines removes the recurring inspection obligation (Background; Compliance)."],"plain_english_summary":"This Airworthiness Directive requires operators of specified Partenavia P68 models to access fuel and janitrol lines behind the engine upper firewall, inspect for asbestos sleeving and corrosion, and check the adjacent wing spar; corroded lines or spar must be repaired per Partenavia Service Instructions or the fuel lines replaced with stainless steel. (Requirement; Background)\n\nOperators must do an initial inspection by 30 May 1996, re‑inspect at intervals not exceeding 100 flight hours until stainless lines are fitted, and record certification in the airframe logbook; operators pay for inspection, repair and replacement. (Compliance)"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"This is Amendment 3 to AD/P68/24. The Background explicitly states that 'this amendment has been raised to extend the aircraft applicability requirement' compared to Amendment 2, which only clarified inspection requirements. The scope has expanded from the original directive to cover additional aircraft serial numbers and models."},"complexity_factors":["Single discrete safety issue (fuel line corrosion) with clear inspection criteria","Limited applicability scope (specific aircraft models and serial number ranges)","Straightforward compliance pathway: inspect → repair if needed → replace with stainless steel to terminate","Only 3 cross-references to external documents (Partenavia Service Instructions 17, 39, 40, and SB 61 Rev 3)","Simple conditional logic: if corrosion present → follow service instruction; if stainless steel installed and no corrosion → terminating action","No nested exceptions or complex defined terms","Short document (approximately 250 words) with clear section headers"],"plain_english_summary":"This AD mandates inspections of fuel and Janitrol heating lines behind the engine firewall on specified Partenavia P68 models to detect asbestos fire sleeving and corrosion of aluminium fuel lines. Corrosion found on the wing spar must be repaired per Partenavia instructions. Owners/operators must repeat inspections every 100 flight hours until aluminium lines are replaced with stainless steel — the terminating action — to mitigate fuel-leak and fire risks."}},"importantCases":[],"_links":{"self":"/api/acts/ad-p68-24-amdt-3-fuel-and-janitrol-lines","history":"/api/acts/ad-p68-24-amdt-3-fuel-and-janitrol-lines/history","analysis":"/api/acts/ad-p68-24-amdt-3-fuel-and-janitrol-lines/analysis","conflicts":"/api/acts/ad-p68-24-amdt-3-fuel-and-janitrol-lines/conflicts","importantCases":"/api/acts/ad-p68-24-amdt-3-fuel-and-janitrol-lines/important-cases","documents":"/api/acts/ad-p68-24-amdt-3-fuel-and-janitrol-lines/documents"}}