{"id":"F2006B04065","name":"AD/BEECH 56/33 - Electroluminescent Panel Retaining Screw","slug":"ad-beech-56-33-electroluminescent-panel-retaining-screw","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43699,"registerId":"commonwealth-F2006B04065-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# ![](image.002.png)![](image.001.png)AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\nBeechcraft 56TC(Turbo Baron) Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/BEECH 56/33 Electroluminescent Panel ","sectionType":"part","heading":"AD/BEECH 56/33 Electroluminescent Panel Retaining S crew 8/2002","content":"# AD/BEECH 56/33 Electroluminescent Panel Retaining S crew 8/2002\n\nDM\n\nApplicability: Beech Model A56TC aeroplanes with serial numbers TG-84 through TG-94. Requirement: 1. Inspect the Instrument Subpanel electroluminescent panel in accordance with the\n\nAccomplishment Instructions of Raytheon Aircraft Mandatory Service Bulletin SB 33-3452, issued May 2001, for the installation of a rotating beacon circuit breaker switch or any other switch directly above the lower electroluminescent panel retaining screw as follows:\n\n    If a blanking plug is installed above the lower electroluminescent panel retaining screw, ensure that the correct length screw is installed. (The correct length is 5.3 to 7.8mm or 0.28 to 0.31 inches.)\n    If a rotating beacon circuit breaker switch or any other switch is installed, inspect the switch for damage.\n\n    2. Replace any damaged switch found during the Requirement 1 inspection and replace the electroluminescent panel retaining screw if it is not 0.28 to 0.31 inches (5.3 to 7.8mm) in length with a P/N MS35214-24 screw or approved equivalent part number.\n    3. Electroluminescent panel retaining screw, that is not P/N MS35214-24 or an approved equivalent part number, may not be installed in the lower part of the Instrument Subpanel (underneath the circuit breaker switches).\n\nNote: FAA AD 2002-11-07 Amdt 12768 refers.\n\nCompliance: For Requirement 1 \\- Within 100 hours’ time in service after the effective date of this Directive.\n\nFor Requirement 2 \\- Before further flight after the Requirement 1 inspection. For Requirement 3 - As of the effective date of this Directive.\n\nThis Airworthiness Directive becomes effective on 15 July 2002.","sortOrder":1}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive sets a narrowly targeted inspection, replacement and part-installation prohibition for specific serial-numbered A56TC aeroplanes. The text does not indicate any expansion or contraction of that scope from an earlier instrument; it confines actions to the identified serial numbers and locations on the instrument subpanel and imposes the stated compliance deadlines."},"complexity_factors":["Very narrow applicability: only Beech Model A56TC serial TG-84 through TG-94.","Simple, discrete actions: inspect, measure screw length, replace damaged switch, fit specified P/N or approved equivalent.","Clear compliance timings: 100 hours for inspection; repair before further flight; prohibition effective immediately.","Dependence on external service instructions: refers to Raytheon Mandatory Service Bulletin SB 33-3452 for accomplishment instructions.","Technical measurement tolerance for screw length (5.3–7.8 mm) requires precise verification.","Requirement to source exact part number P/N MS35214-24 or obtain approval for an equivalent part introduces procurement/approval steps."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Beechcraft Model A56TC aeroplanes (serials TG-84 to TG-94) to inspect the instrument subpanel electroluminescent panel where a switch or blanking plug sits above the lower retaining screw, confirm the screw is 5.3–7.8 mm (0.28–0.31 in) or replace it with P/N MS35214-24 (or approved equivalent), and replace any damaged switch. Inspections must occur within 100 hours’ time in service; repairs are required before further flight and the part restriction is effective immediately to address an unsafe condition."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, targeted airworthiness directive addressing a specific hardware defect in a limited fleet. The scope remains precisely focused on the original safety issue identified in the referenced service bulletin."},"complexity_factors":["Single, narrow applicability: only 11 specific aircraft serial numbers","Three straightforward requirements with clear conditional logic (if/then)","Minimal defined terms (only standard aviation references like 'P/N' for part number)","No cross-references to other legislation beyond a single note about the corresponding FAA directive","Simple compliance timeline: 100 hours for inspection, before next flight for repairs, immediate for prohibition","Total length: approximately 300 words"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspection and, if needed, replacement of a small screw securing the electroluminescent instrument subpanel on 11 Beechcraft A56TC Turbo Baron aeroplanes (serials TG‑84 to TG‑94). It requires verifying the screw length and replacing damaged switches or incorrect screws with the approved part.\n\nIt affects owners/operators of those aircraft because an incorrect screw can damage electrical switches and create an unsafe condition."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-56-33-electroluminescent-panel-retaining-screw","history":"/api/acts/ad-beech-56-33-electroluminescent-panel-retaining-screw/history","analysis":"/api/acts/ad-beech-56-33-electroluminescent-panel-retaining-screw/analysis","conflicts":"/api/acts/ad-beech-56-33-electroluminescent-panel-retaining-screw/conflicts","importantCases":"/api/acts/ad-beech-56-33-electroluminescent-panel-retaining-screw/important-cases","documents":"/api/acts/ad-beech-56-33-electroluminescent-panel-retaining-screw/documents"}}