{"id":"F2006B07177","name":"AD/SWSA226/37 - Fuselage, Lower L.H. Cargo Area Belt Frames - Inspection and Modification","slug":"ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49101,"registerId":"commonwealth-F2006B07177-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SWSA226/37 - Fuselage, Lower L.H. Cargo Area Belt Frames - Inspection and Modification","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)  Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes\n\n \n\nAD/SWSA226/37 Fuselage, Lower L.H. Cargo Area Belt\n\nFrames - Inspection and Modification\n\n\n10/81\n\n \n\nApplicability: All model SA226-AT with S/Nos. AT-001 to AT-074. All model SA226-TC with S/Nos. TC-201 to TC-419.\n\n \n\nDocument: Fairchild Swearingen SB No. 53-007. Compliance: As per Requirement Document.\n\nBackground: Cracks may develop in the lower left belt frames at the cargo door latch receptacles.\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":2183},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive remains narrowly focused on the original specific structural inspection requirement for cargo door frame cracks and has not expanded to cover additional airframe components or aircraft models."},"complexity_factors":["Compliance details deferred entirely to external technical document (Service Bulletin 53-007)","Precise serial number applicability requiring verification against aircraft logbooks","Technical aeronautical terminology (belt frames, latch receptacles, fuselage) requires domain knowledge"],"plain_english_summary":"**What this directive requires**\n\nThis safety rule mandates that owners and operators of specific Fairchild Swearingen Metroliner aircraft must inspect and modify a structural part of the plane's cargo hold.\n\n**Who is affected**\n\nThis applies to specific models of the Fairchild SA226 aircraft series:\n- **SA226-AT** models with serial numbers AT-001 to AT-074\n- **SA226-TC** models with serial numbers TC-201 to TC-419\n\n**Why this matters**\n\nCracks can form in the metal frames on the lower left side of the cargo area—specifically where the cargo door latches click into place. If left unchecked, these cracks could compromise the aircraft's structural integrity.\n\n**What must be done**\n\nAffected aircraft must undergo inspection and modification procedures exactly as specified in **Fairchild Swearingen Service Bulletin No. 53-007**."}},"importantCases":[],"_links":{"self":"/api/acts/ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification","history":"/api/acts/ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification/history","analysis":"/api/acts/ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification/analysis","conflicts":"/api/acts/ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification/important-cases","documents":"/api/acts/ad-swsa226-37-fuselage-lower-l-h-cargo-area-belt-frames-inspection-and-modification/documents"}}