{"id":"F2006B08291","name":"AD/CESSNA 400/104 - Elevator Bellcrank Support Structure","slug":"ad-cessna-400-104-elevator-bellcrank-support-structure","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115619,"registerId":"commonwealth-F2006B08291-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 400/104 - Elevator Bellcrank Support Structure","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)  \nCessna 400 Series Aeroplanes\n\nAD/CESSNA 400/104 Elevator Bellcrank Support Structure 5/95\n\nApplicability: Cessna 441 serial numbers 441-0001 to 441-0362 and 441-698.\n\nRequirement: Inspect and modify the elevator bellcrank support bracket assembly (P/N 5815146) in accordance with Cessna Service Bulletin (SB) CQB94-2. Inspect using either the fluorescent dye penetrant or the eddy current method in accordance with CAO 108.10 and Cessna SB CQB94-2.\n\nCompliance: Inspect and modify before 1200 hours time in service or before 100 hours time in service after 27 April 1995, whichever occurs later.\n\nBackground: The manufacturer has received reports of cracking in the elevator bellcrank support bracket. An inspection for cracks and installation of a modification are required.\n\nFailure of the elevator bellcrank support bracket assembly could result in loss of elevator control.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2233},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope addressing a specific mechanical defect in identified Cessna 441 aircraft. It has not expanded beyond the original safety issue of elevator bellcrank support bracket cracking."},"complexity_factors":["Short, single-issue directive with no nested exceptions or conditional logic","References external technical standards (CAO 108.10 and Cessna Service Bulletin CQB94-2) without reproducing their content","Uses specialized aviation terminology (e.g., 'eddy current method', 'bellcrank') that requires technical knowledge to interpret"],"plain_english_summary":"This mandatory Airworthiness Directive requires owners/operators of Cessna 441 Conquest II (S/N 441‑0001–441‑0362 and 441‑698) to inspect the elevator bellcrank support bracket (P/N 5815146) for cracks using fluorescent dye penetrant or eddy‑current methods per Service Bulletin CQB94‑2 and CAO 108.10, and install the specified modification kit. Cracked brackets can cause complete elevator loss and loss of control. Compliance is before 1,200 total flight hours or within 100 flight hours after 27 April 1995, whichever is later."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-400-104-elevator-bellcrank-support-structure","history":"/api/acts/ad-cessna-400-104-elevator-bellcrank-support-structure/history","analysis":"/api/acts/ad-cessna-400-104-elevator-bellcrank-support-structure/analysis","conflicts":"/api/acts/ad-cessna-400-104-elevator-bellcrank-support-structure/conflicts","importantCases":"/api/acts/ad-cessna-400-104-elevator-bellcrank-support-structure/important-cases","documents":"/api/acts/ad-cessna-400-104-elevator-bellcrank-support-structure/documents"}}