{"id":"F2006B08268","name":"AD/CESSNA 340/23 - Elevator Balance Weight - Inspection","slug":"ad-cessna-340-23-elevator-balance-weight-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115577,"registerId":"commonwealth-F2006B08268-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 340/23 - Elevator Balance Weight - 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 340/23 Elevator Balance Weight - Inspection 3/82\n\nApplicability: All models 340 and 340A with S/No. referenced in Cessna SIL ME81-35 or with S/Nos. referenced in subsequent issues or revisions of that SIL.\n\n \n\nDocument: Cessna SIL No. ME81-35.\n\n \n\nCompliance: Within 100 hours time in service after 31 March 1982.\n\n \n\nBackground:  Manufacturer’s service information indicates that aircraft which have installed improved stabilisers and elevators may have incorrectly attached or loose elevator balance weights.\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","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1822},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive remains tightly focused on its original discrete purpose: rectifying a specific mechanical defect (loose elevator balance weights) in specific Cessna 340 series aircraft models. No expansion of scope is evident."},"complexity_factors":["Extremely short length (under 200 words)","Single, unambiguous compliance requirement with no exceptions or nested conditions","Only one external technical reference (Cessna SIL ME81-35)","Clear applicability criteria based on specific aircraft serial numbers","No defined terms or interpretive provisions requiring legal analysis"],"plain_english_summary":"**What this is:** A mandatory safety directive (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority requiring a specific inspection on certain Cessna aircraft.\n\n**Who it affects:** Owners and operators of Cessna 340 and 340A aeroplanes with serial numbers listed in Cessna Service Information Letter (SIL) ME81-35.\n\n**What it requires:** Operators must inspect the **elevator balance weights** (counterweights attached to the tail control surfaces that help stabilize the aircraft) to verify they are correctly attached and not loose. The inspection must follow the procedures outlined in Cessna SIL ME81-35.\n\n**Why it matters:** The manufacturer discovered that aircraft fitted with improved stabilisers and elevators might have balance weights that were installed incorrectly or have worked loose. If these weights detach during flight, they could cause serious control problems or structural damage.\n\n**Compliance deadline:** The inspection must be completed within 100 hours of flight time after 31 March 1982."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-340-23-elevator-balance-weight-inspection","history":"/api/acts/ad-cessna-340-23-elevator-balance-weight-inspection/history","analysis":"/api/acts/ad-cessna-340-23-elevator-balance-weight-inspection/analysis","conflicts":"/api/acts/ad-cessna-340-23-elevator-balance-weight-inspection/conflicts","importantCases":"/api/acts/ad-cessna-340-23-elevator-balance-weight-inspection/important-cases","documents":"/api/acts/ad-cessna-340-23-elevator-balance-weight-inspection/documents"}}