{"id":"F2006B06904","name":"AD/SD3-60/58 - Windshield Wiring","slug":"ad-sd3-60-58-windshield-wiring","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114784,"registerId":"commonwealth-F2006B06904-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\n![](image.001.png)  \nFor 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\nShorts SD3-60 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/SD3-60/58 Windshield Wiring 6/2001","sectionType":"part","heading":"AD/SD3-60/58 Windshield Wiring 6/2001","content":"# AD/SD3-60/58 Windshield Wiring 6/2001\n\nApplicability: All SD3-60 series aeroplanes.\n\nRequirement: 1. Inspect the heated windshield wiring for fouling and chafing in accordance with Part A of Short Brothers PLC Service Bulletin (SB) SD360-30-26 dated 2 April 2001.\n\n    2. If, during the Requirement 1 inspection, chafing of the windshield heating cable is detected or inadequate clearance is found between the cable and flight instruments:\n\n    repair or replace the cable in accordance with Part B or C (as applicable) of SB SD360-30-26, and/or\n\n    b. reposition the cable in accordance with Part A of SB SD360-30-26.\n\nNote: SB SD360-30-26 has been classified as Mandatory by the CAA(UK).\n\nCompliance: For Requirement 1 – At the next scheduled B check, but no later than 90 days after the effective date of this Directive.\n\nFor Requirement 2 - Before further flight after the Requirement 1 inspection has been completed.\n\nThis Airworthiness Directive becomes effective on 14 June 2001.\n\nBackground: Instances have been reported where electrical power cables to the heated windshields have been found to be fouling with the Flight Director Indicator behind the 1P panel and in some cases chafing has been evident.\n\nThis Directive requires the cables to be inspected and, if necessary, relocated and/or repaired.\n\n![Signature of David Alan Villiers Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nDavid Alan Villiers\n\nDelegate of the Civil Aviation Safety Authority 30 April 2001\n\n![](image.001.png)","sortOrder":1}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope: addressing a specific wiring safety issue on a single aircraft type. There is no evidence of scope creep — it does exactly what it says on the tin (inspect and repair windshield wiring) and nothing more."},"complexity_factors":["Very short document (under 400 words)","Only 2 substantive requirements with clear conditional logic (if-then structure)","Single defined term: 'B check' (standard aviation maintenance term, not defined in document but industry-understood)","No cross-references to other legislation beyond the enabling regulation (CAR 1998 subreg 39.1(1))","References only one external technical document (Service Bulletin SD360-30-26)","Clear, linear compliance timeline with no exceptions or nested conditions"],"plain_english_summary":"This AD requires owners/operators of Shorts SD3-60 aircraft to inspect the heated-windshield electrical wiring for chafing against instruments behind the pilot panel and to repair, replace, or reposition any damaged wiring per the manufacturer's service bulletin. The inspection is due at the next B check or within 90 days, and repairs must be completed before flight. It prevents short circuits, instrument failures, and fire risk from damaged insulation."},"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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD's scope matches the stated background problem: reported fouling/chafing of heated windshield wiring on SD3‑60 aeroplanes. It limits action to inspection and corrective measures (repair/replace/reposition) per SB SD360‑30‑26 with specified compliance times; it does not expand obligations beyond those remedies."},"complexity_factors":["Narrow applicability to a single aircraft type (all SD3‑60 series) reduces scope complexity.","Requires compliance with an external manufacturer Service Bulletin (SB SD360‑30‑26), so implementers must obtain and follow that document.","Conditional corrective steps (repair, replace or reposition) depend on inspection findings, creating decision points for maintainers.","Compliance timing ties into maintenance scheduling (next B‑check) with an absolute backstop (90 days), creating planning constraints.","Immediate operational constraint: any required corrective action must be done before further flight, affecting dispatch decisions.","Regulatory layering: AD issued by CASA delegate and the SB is noted as Mandatory by CAA(UK), implying cross‑jurisdictional recognition.","AD omits technical repair detail and delegates method to the SB, increasing reliance on manufacturer instructions and maintainer expertise."],"plain_english_summary":"**This Airworthiness Directive requires operators of all Shorts SD3‑60 aircraft to inspect heated windshield wiring for fouling and chafing per Short Brothers Service Bulletin SD360‑30‑26 and to repair, replace or reposition the cable if defects or inadequate clearance are found.** The inspection must occur at the next scheduled B‑check or within 90 days, and any required repairs must be completed before further flight; operators and maintenance organisations bear the cost and scheduling impact."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sd3-60-58-windshield-wiring","history":"/api/acts/ad-sd3-60-58-windshield-wiring/history","analysis":"/api/acts/ad-sd3-60-58-windshield-wiring/analysis","conflicts":"/api/acts/ad-sd3-60-58-windshield-wiring/conflicts","importantCases":"/api/acts/ad-sd3-60-58-windshield-wiring/important-cases","documents":"/api/acts/ad-sd3-60-58-windshield-wiring/documents"}}