{"id":"F2006B04043","name":"AD/BEECH 56/12 - Flap Bracket","slug":"ad-beech-56-12-flap-bracket","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43657,"registerId":"commonwealth-F2006B04043-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 56/12 - Flap Bracket","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 56TC (Turbo Baron) Series Aeroplanes\n\n \n\nAD/BEECH 56/12 Flap Bracket 8/72\n\nApplicability: All models which have achieved 1000 or more hours’ time in service.\n\n \n\nRequirement: Inspect flap actuator bracket and adjacent structure on RH and LH flaps for cracks and signs of distress.\n\n \n\nCompliance: Within 100 hours’ time in service after 31 August 1972 and thereafter at intervals not exceeding 300 hours’ time in service.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue airworthiness directive issued in 1972 (as indicated by the \"8/72\" suffix). It addresses a specific known defect in a specific aircraft type. There is no evidence of scope creep; the document remains tightly focused on its original safety purpose — preventing flap bracket failures in high-time Beechcraft 56TC aircraft."},"complexity_factors":["Extremely short document (under 200 words)","Only 4 operative elements: applicability, requirement, compliance, and the subject aircraft type","No defined terms section — all language is ordinary technical aviation terminology","No cross-references to other legislation or regulations","Simple conditional logic: only applies to aircraft with ≥1000 hours time in service","Single compliance pathway with clear timeframes (100 hours initial, 300 hours recurring)","No exceptions, exemptions, or alternative compliance methods specified"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). Think of it as a compulsory \"recall notice\" for aircraft, but issued by the regulator rather than the manufacturer.\n\n**What it does:** It requires owners and operators of specific Beechcraft aeroplanes (the 56TC \"Turbo Baron\" series) to inspect a particular part — the **flap actuator bracket** — on both the left and right wings. The inspection looks for **cracks and structural damage** (\"signs of distress\") in the bracket and surrounding area.\n\n**Who it affects:** Anyone who owns or operates a Beechcraft 56TC aeroplane that has flown **1,000 hours or more**.\n\n**When they must act:**\n- **First inspection:** Within 100 hours of flying time after 31 August 1972\n- **Ongoing:** Every 300 hours of flying time after that\n\n**Why it matters:** Flap brackets are critical structural components that help control the aircraft's flaps (the moving surfaces on the wings that help with take-off and landing). If these brackets crack or fail, the pilot could lose control of the flaps — potentially leading to an accident during landing or take-off. This directive prevents that by catching problems before they become dangerous."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive's scope, as expressed in the provided text, is a focused inspection requirement for Beechcraft 56TC series aeroplanes with 1,000 or more hours’ time in service, targeting flap actuator brackets and adjacent structure. There is no indication in the provided instrument that the scope has been broadened or narrowed from its stated applicability and inspection schedule. (See: \"Applicability\", \"Requirement\", \"Compliance\".)"},"complexity_factors":["Narrow technical scope limited to flap actuator bracket and adjacent structure (straightforward to define). (\"Requirement\")","Clear applicability threshold based on hours-in-service (>= 1000 hours). (\"Applicability\")","Simple, time-based compliance intervals (initial within 100 hours after 31 August 1972; then every 300 hours). (\"Compliance\")","Technical judgement required by maintenance personnel because the directive does not specify exact inspection methods or remedial acceptance criteria (increases operational interpretation). (\"Requirement\")","Administrative requirement to track hours-in-service and schedule recurring inspections (minor administrative complexity). (\"Compliance\")"],"plain_english_summary":"This Civil Aviation Safety Authority airworthiness directive requires owners/operators and maintenance personnel of Beechcraft 56TC (Turbo Baron) aeroplanes with ≥1,000 hours TIS to inspect the flap actuator bracket and adjacent structure on both RH and LH flaps for cracks/distress. The first inspection is due within 100 hours TIS after 31 Aug 1972 and then at intervals not exceeding 300 hours. It creates a recurring maintenance obligation, attendant inspection/repair costs, and aircraft downtime."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-56-12-flap-bracket","history":"/api/acts/ad-beech-56-12-flap-bracket/history","analysis":"/api/acts/ad-beech-56-12-flap-bracket/analysis","conflicts":"/api/acts/ad-beech-56-12-flap-bracket/conflicts","importantCases":"/api/acts/ad-beech-56-12-flap-bracket/important-cases","documents":"/api/acts/ad-beech-56-12-flap-bracket/documents"}}