{"id":"F2006B08259","name":"AD/CESSNA 340/13 - Main Landing Gear Down Lock Pin and Set Screw - Inspection","slug":"ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115563,"registerId":"commonwealth-F2006B08259-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 340/13 - Main Landing Gear Down Lock Pin and Set Screw - 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)  Cessna 340 Series Aeroplanes\n\n \n\nAD/CESSNA 340/13 Main Landing Gear Down Lock Pin\n\nand Set Screw - Inspection\n\nApplicability: All models with S/Nos. 340-0001 to 340-0370. Document:  Cessna SL ME76-4.\n\nCompliance: Within 100 hours time in service after 31 August 1976.\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\n\n8/76\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1517},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is an original Airworthiness Directive from August 1976 maintaining a narrow, targeted scope. It addresses a specific mechanical safety issue on early-model Cessna 340 aircraft and has not expanded beyond its original purpose of mandating a one-time inspection."},"complexity_factors":["Single operational requirement (one specific inspection)","Narrow applicability limited to specific serial number range","No interpretation section or defined terms","Simple compliance calculation (date + flight hours)","No exceptions, exemptions, or conditional logic"],"plain_english_summary":"**What this is:** A mandatory safety inspection rule for specific Cessna aircraft.\n\n**Who it affects:** Owners and operators of **Cessna 340 aeroplanes** with serial numbers 340-0001 through 340-0370 (early production models).\n\n**What it requires:** You must complete an inspection of the **main landing gear down lock pin and set screw** within 100 flight hours after 31 August 1976. The inspection must follow the procedures in Cessna Service Letter ME76-4.\n\n**Why it matters:** This directive addresses a potential mechanical defect in the landing gear locking mechanism. A faulty down lock pin could cause the main landing gear to collapse during landing."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection","history":"/api/acts/ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection/history","analysis":"/api/acts/ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection/analysis","conflicts":"/api/acts/ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection/conflicts","importantCases":"/api/acts/ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection/important-cases","documents":"/api/acts/ad-cessna-340-13-main-landing-gear-down-lock-pin-and-set-screw-inspection/documents"}}