{"id":"F2006B08361","name":"AD/CESSNA 400/78 - Elevator Quadrant Cable Guard Screw - Inspection","slug":"ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115768,"registerId":"commonwealth-F2006B08361-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 400/78 - Elevator Quadrant Cable Guard Screw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 400 Series Aeroplanes\n\n \n\nAD/CESSNA 400/78 Elevator Quadrant Cable Guard\n\nScrew - Inspection\n\n\n1/81\n\n \n\nApplicability: Models 402 S/Nos. 402B0301 to 402CO328, 404 S/Nos. 404-0001 to 404-0656; 414 S/Nos. 414-0351 to 414A0535; 421 S/Nos. 421B0301 to 421C0897.\n\n \n\nDocument: Cessna Customer Care SIL No. ME80-42.\n\n \n\nCompliance: Within 50 hours time in service after 27 November 1980.\n\n \n\nBackground: Inspection of the elevator cable guard screws is required to ensure appropriate clearance exists between the screw and the elevator quadrant.\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":1719},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow technical scope—a one-time inspection requirement for elevator hardware on specific Cessna aircraft. There is no evidence of scope expansion beyond the original safety issue addressed."},"complexity_factors":["Single-page document with one specific mechanical inspection requirement","No legislative cross-references or defined terms sections","Straightforward applicability based on aircraft model and serial number ranges","Simple compliance deadline (50 hours time in service after fixed date)","Only external reference is to manufacturer service information letter"],"plain_english_summary":"This Airworthiness Directive mandates a safety inspection for specific Cessna aircraft models (402, 404, 414, and 421 with certain serial numbers).\n\n**What it requires:**\nOwners must inspect the elevator quadrant cable guard screws within 50 hours of flight time after 27 November 1980.\n\n**Why it matters:**\nThe inspection ensures there is proper clearance between a screw and the elevator quadrant (the mechanism that controls the plane's up-and-down movement). Without this check, the screw could interfere with the elevator controls, potentially causing a loss of control.\n\n**Who it affects:**\nOperators of specific Cessna 400-series aircraft with serial numbers in the ranges specified (covering models 402B, 404, 414, 414A, 421B, and 421C)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection","history":"/api/acts/ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection/history","analysis":"/api/acts/ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection/analysis","conflicts":"/api/acts/ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection/conflicts","importantCases":"/api/acts/ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection/important-cases","documents":"/api/acts/ad-cessna-400-78-elevator-quadrant-cable-guard-screw-inspection/documents"}}