{"id":"F2006B04002","name":"AD/BEECH 55/58 - Elevator Control Push Rods","slug":"ad-beech-55-58-elevator-control-push-rods","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43611,"registerId":"commonwealth-F2006B04002-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/58 - Elevator Control Push Rods","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)  Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes\n\n \n\nAD/BEECH 55/58 Elevator Control Push Rods 3/80\n\nApplicability: All models 95-55, 95-A55, 95-B55 and 95-B55A with S/Nos. TC-1 to TC-349 and TC-351 to TC-2169;\n\n \n\nAll models 95-B55B with S/Nos. TF-1 to TF-70;\n\n \n\nAll models 95-C55, 95-C55A, D55, D55A, E55 and E55A with S/Nos. TC-350 and TE-1 to TE-1138;\n\n \n\nAll models 58 and 58A with S/Nos. TH-1 to TH-958; All models 58P and 58PA with S/Nos. TJ-3 to TJ-169;\n\nAll models 58TC and 58TCA with S/Nos. TK-1 to TK-81.\n\n \n\nRequirement: Action in accordance with Beechcraft SI No. 1019. Compliance:  Within 100 hours’ time in service after 31 May 1980.\n\nBackground: Corrosion has been found in the elevator pushrods of other Beechcraft models which have pushrods of similar manufacture.\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":1539},"content_quality":"ok","complexity_score":2,"rejection_reason":"","scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose: addressing the specific corrosion defect in elevator push rods for the defined Beechcraft aircraft models. As Amendment 3/80, it maintains the narrow technical scope without expanding to unrelated systems or aircraft types."},"complexity_factors":["Dense serial number and model applicability tables (12 distinct aircraft variants with specific S/N ranges)","Single external cross-reference to manufacturer technical document (Beechcraft SI No. 1019) without reproducing requirements","Aviation-specific compliance metric ('time in service' rather than calendar days)"],"plain_english_summary":"**What this does:** This Airworthiness Directive (a mandatory safety order) requires owners of specific Beechcraft Baron aircraft to inspect or replace the **elevator control push rods** — the metal rods that transfer the pilot's control inputs to the tail elevator. \n\n**Who it affects:** Owners and operators of specific Beechcraft 55, 58 and 95-55 series aircraft with particular serial numbers (listed in the document), including models like the 95-B55, D55, E55, and 58 Baron.\n\n**What must be done:** Aircraft operators must follow the manufacturer's technical instructions (Beechcraft Service Instruction No. 1019) to address potential **corrosion** (rust damage) in these push rods. The work must be completed within **100 flight hours** after May 31, 1980.\n\n**Why it matters:** Corrosion in control push rods could cause the elevator to jam or fail, potentially leading to loss of aircraft control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-58-elevator-control-push-rods","history":"/api/acts/ad-beech-55-58-elevator-control-push-rods/history","analysis":"/api/acts/ad-beech-55-58-elevator-control-push-rods/analysis","conflicts":"/api/acts/ad-beech-55-58-elevator-control-push-rods/conflicts","importantCases":"/api/acts/ad-beech-55-58-elevator-control-push-rods/important-cases","documents":"/api/acts/ad-beech-55-58-elevator-control-push-rods/documents"}}