{"id":"F2006B07189","name":"AD/SWSA226/49 Amdt 1 - Fuel Vent Line and Electrical Wire Bundle Support Clamps - Installation","slug":"ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114962,"registerId":"commonwealth-F2006B07189-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SWSA226/49 Amdt 1 - Fuel Vent Line and Electrical Wire Bundle Support Clamps - Installation","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)  \nFairchild (Swearingen) SA226 and SA227 Series Aeroplanes\n\nAD/SWSA226/49\n\nAmdt 1\n\nApplicability: All model;\n\n  \n\nFuel Vent Line and Electrical Wire Bundle Support Clamps - Installation\n\n  \n1/85\n\nSA226-T, S/Nos T201 to 275, 277 to 291.\n\nSA226-T(B), S/Nos T(B)276, 292 to 417\\. SA226-AT, S/Nos AT001 to 74.\n\nSA226-TC, S/Nos TC201 to 419\\. SA227-TT, S/Nos TT421 to 555. SA227-AT, S/Nos AT423 to 544.\n\nSA227-AC, S/Nos AC406, 415, 416 and 420 to 547.\n\nRequirement: 1. Fairchild Aircraft Corporation SB No. 226-28-008.\n\n2. Fairchild Aircraft Corporation SB No. 227-28-001. Compliance: Within 30 hours time in service after 31 January 1985.\n\nNote: For SA227 series aeroplanes, compliance with the previous issue of this Directive satisfies compliance with this amendment.\n\nBackground: This Directive has been amended to include SA226 series aeroplanes in the applicability. Support clamps are installed to prevent chafing between the fuel vent system line and electrical wire bundle located within the wing flap well.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1415},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 1 expanded the directive's coverage from SA227 series aircraft only to also include SA226 series aircraft, significantly increasing the number of affected aeroplanes subject to this safety requirement."},"complexity_factors":["Specific serial number ranges for seven different aircraft variants listed in applicability","Requires compliance with external technical documents (Service Bulletins 226-28-008 and 227-28-001) not reproduced within the directive","Aviation-specific terminology and measurement (time in service, S/Nos, wing flap well)","Cross-reference to previous issue for compliance determination of SA227 series aircraft"],"plain_english_summary":"This is a **mandatory safety order** (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority for specific Fairchild Swearingen aircraft.\n\n**What it requires:**\nOwners must install support clamps to hold fuel vent lines and electrical wires apart in the wing flap area. This stops the wires and fuel lines from rubbing together (chafing), which could damage wiring or cause fuel leaks and potential fires.\n\n**Who it affects:**\nOwners of specific Fairchild SA226 and SA227 series aircraft with the serial numbers listed (covering models SA226-T, SA226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AT, and SA227-AC built between specific production runs).\n\n**When to comply:**\nWithin 30 hours of flight time after 31 January 1985.\n\n**Why it matters:**\nThis update expands the original safety order to include additional SA226 series aircraft that were found to have the same design flaw, ensuring more planes are protected from this fire risk."}},"importantCases":[],"_links":{"self":"/api/acts/ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation","history":"/api/acts/ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation/history","analysis":"/api/acts/ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation/analysis","conflicts":"/api/acts/ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation/conflicts","importantCases":"/api/acts/ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation/important-cases","documents":"/api/acts/ad-swsa226-49-amdt-1-fuel-vent-line-and-electrical-wire-bundle-support-clamps-installation/documents"}}