{"id":"F2006B04949","name":"AD/CESSNA 170/12 Amdt 2 - Nose Gear Upper Torque Link","slug":"ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44813,"registerId":"commonwealth-F2006B04949-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 170/12 Amdt 2 - Nose Gear Upper Torque Link","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)  Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes\n\n \n\nAD/CESSNA 170/12\n\nAmdt 2\n\n\nNose Gear Upper Torque Link 9/71\n\n \n\nApplicability: All 172, F172, FR172 and 175 series fitted with nose gear upper torque links numbered 2014 K.A.E. with or without a prefix or suffix.\n\n \n\nRequirement: 1. Inspect the nose gear upper torque link for cracks in the area of the stop block and the flanges of the “I” section of the link.\n\n \n\n2.    All paint shall first be removed with a suitable solvent from the area to be inspected. The inspection shall be made by the dye penetrant method or with the aid of a 10X magnifying lens.\n\n \n\n3.    Restore protective finish when inspection has been completed. Compliance: At intervals not exceeding 300 hours time in service after 1 September 1971.\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 narrow, targeted safety directive focused on a specific mechanical defect in a specific aircraft part. The scope remains precisely limited to the original safety concern — fatigue cracking in Cessna nose gear torque links — and has not expanded beyond this technical maintenance requirement."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only 1 defined term implicitly used ('time in service' — flight hours, not clock time)","No cross-references to other legislation or regulations","Simple conditional structure: single applicability test (part number match) triggers mandatory action","Straightforward compliance timeline (fixed interval, single start date)","No exceptions, exemptions, or alternative compliance methods specified"],"plain_english_summary":"This AD mandates recurring inspections of the nose-gear upper torque link (part number 2014 K.A.E.) on certain Cessna 172/F172/FR172/175 models to detect cracks that could cause nose-gear collapse. Affected owners/operators must remove paint, inspect (dye-penetrant or 10× magnifier), and repaint the area.\n\nInspections are required every 300 flight hours (from 1 Sept 1971). It’s a safety measure to catch fatigue damage before catastrophic landing or takeoff failures."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The AD text itself prescribes inspection and repainting requirements for the listed models and the specified part number. Although marked 'Amdt 2', the instrument does not state any expansion or reduction of the class of affected aircraft or part-number scope within the provided text; it confines action to the stated applicability and inspection requirements."},"complexity_factors":["Narrow applicability: specific airframe models and a single part number (2014 K.A.E., with or without prefix/suffix) (Applicability).","Prescriptive inspection procedure: requires paint removal with solvent then dye-penetrant or 10× magnifying lens inspection (Requirement 2).","Mandatory protective finish restoration after inspection (Requirement 3), adding a maintenance step beyond inspection.","Fixed recurring interval: inspections every 300 hours time in service, creating an ongoing compliance burden (Compliance).","Document form and amendment: labelled Amendment 2 of AD/CESSNA 170/12 (header), but the text contains no explicit change-history or transitional provisions.","No repair, replacement, or reporting procedure specified in the text — the directive limits itself to inspection and repainting, leaving corrective-action discretion to operators/maintenance providers."],"plain_english_summary":"This airworthiness directive requires owners/operators of Cessna 172, F172, FR172 and 175 series aeroplanes fitted with nose-gear upper torque links numbered 2014 K.A.E. to inspect that part for cracks on a repeating basis. Paint must be removed with solvent, inspection done by dye-penetrant or a 10× magnifying lens, and the protective finish restored. Compliance is every 300 hours time in service (after 1 September 1971). Operators pay for and perform the inspections and repainting."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link","history":"/api/acts/ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link/history","analysis":"/api/acts/ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link/analysis","conflicts":"/api/acts/ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link/conflicts","importantCases":"/api/acts/ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link/important-cases","documents":"/api/acts/ad-cessna-170-12-amdt-2-nose-gear-upper-torque-link/documents"}}