{"id":"F2006B10445","name":"AD/HS 125/163 - Wire Bundle Chafing","slug":"ad-hs-125-163-wire-bundle-chafing","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116153,"registerId":"commonwealth-F2006B10445-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.002.png)\n\n![](image.002.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.","sortOrder":0},{"sectionNumber":"AD/HS 125/163 Wire Bundle Chafing 1/2001","sectionType":"part","heading":"AD/HS 125/163 Wire Bundle Chafing 1/2001","content":"# AD/HS 125/163 Wire Bundle Chafing 1/2001\n\nApplicability: Model Hawker 800XP series aeroplanes, as listed in Raytheon Service Bulletin SB\n\n24-3212, dated August 1999; and Hawker 800 (U-125A) series aeroplanes, as listed in Raytheon Service Bulletin SB 24-3213, Revision 1, dated February 2000.\n\nRequirement: 1. Conduct a one-time detailed visual inspection of the panel \"JA\" wire bundle in accordance with the Accomplishment Instructions of SB 24-3212 (for Model 800XP series aeroplanes); or SB 24-3213, Revision 1 (for Model 800 (U-125A) series aeroplanes); as applicable. Ensure that:\n\n    the wire bundle is routed correctly, in accordance with Figure 1 of the applicable service bulletin, and\n\n    b. a minimum clearance of 6mm (0.25-inch) exists between the wire bundle from relay \"KT\" and the fuel cross-feed valve operating lever throughout its range of travel.\n\nIf the wire bundle is routed correctly and sufficient clearance exists, no further action is required by this Directive.\n\nNote 1: For the purposes of this Directive, a detailed visual inspection is defined as: \"An intensive visual examination of a specific structural area, system, installation, or assembly to detect damage, failure, or irregularity. Available lighting is normally supplemented with a direct source of good lighting at intensity deemed appropriate by the inspector. Inspection aids such as mirror, magnifying lenses, etc., may be used. Surface cleaning and elaborate access procedures may be required.\"\n\n    2. If the wire bundle is not routed correctly or if sufficient clearance does not exist, perform a detailed visual inspection of the wire bundle to relay \"KT\" for chafing, in accordance with the Accomplishment Instructions of SB 24-3212 or SB 24- 3213, Revision 1; as applicable.\n\n    If chafing is not detected, ensure that the wire bundle is routed correctly and ensure that a minimum clearance of 6mm (0.25-inch) exists between the wire bundle and the fuel cross-feed valve operating valve throughout its range of travel, in accordance with the applicable service bulletin.\n\n    b. If any chafing is detected, repair the chafed wire, ensure that the wire bundle is routed correctly and ensure that a minimum clearance of 6mm (0.25-inch) exists between the wire bundle and the fuel cross-feed valve operating valve throughout its range of travel, in accordance with the applicable service bulletin.","sortOrder":1}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard, targeted Airworthiness Directive addressing a specific unsafe condition (wire chafing) in specific aircraft models. The scope remains tightly focused on the original safety issue without expansion into broader operational or maintenance requirements."},"complexity_factors":["Short, single-purpose directive focused on one specific mechanical issue","Only 2 aircraft models affected, clearly identified by reference to manufacturer service bulletins","Simple conditional logic: inspect → if good, stop; if bad, inspect further → repair if needed","One defined term ('detailed visual inspection') with explicit definition provided","No cross-references to other legislation beyond the enabling regulation (CAR 1998 subreg 39.1(1))","Clear, step-by-step structure with numbered requirements and sub-points"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of Hawker 800XP and Hawker 800 (U-125A) aircraft to inspect a wire bundle near the \"JA\" panel (per Raytheon SBs) to confirm correct routing and at least 6 mm clearance from a fuel valve lever. If routing or clearance is wrong, wires must be checked for damage, repaired if needed, and rerouted to eliminate chafing risks that could lead to electrical failure or fire."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive applies only to the Hawker 800XP and Hawker 800 (U-125A) aircraft listed in the referenced Raytheon service bulletins and imposes a one‑time inspection and corrective action regime. The text contains no indication that the applicability or substantive obligations were broadened or narrowed from an earlier version within the instrument itself."},"complexity_factors":["Applicability is limited to specific models identified by Raytheon Service Bulletins (Applicability) — narrows scope but requires checking serial/list applicability","Technical prescription of minimum clearance (6 mm) and routing per figure in the service bulletin (Requirement 1) — precise measurement and routing standard","Dependence on manufacturer service bulletins for inspection steps and corrective actions (Requirement; referenced SB 24-3212 / SB 24-3213 Rev 1) — requires access to and reliance on external documents","Definition and required standard for a “detailed visual inspection” (Note 1) — may require lighting, mirrors, cleaning, and access procedures increasing practical effort","Choice points: if routing and clearance are correct no further action; if incorrect then inspection of wires to relay KT and possible repair (Requirement 2) — conditional workflow increases procedural steps","Operational impacts: potential aircraft downtime, labour and parts costs for operators (implicit in Requirement and repair mandate)","Regulatory decisionmaker: issued by CASA delegate under CAR subregulation 39.1(1) — administrative discretion to require corrective action and timing"],"plain_english_summary":"This Airworthiness Directive requires operators of specified Hawker 800XP and Hawker 800 (U-125A) aeroplanes to do a one‑time detailed visual inspection of the panel “JA” wire bundle, confirm it is routed per the Raytheon service bulletin and that at least 6 mm clearance exists between the bundle and the fuel cross‑feed valve lever, and to repair or re‑route any chafed or improperly positioned wiring. The CASA delegate requires compliance; aircraft operators bear inspection, repair and downtime costs."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-hs-125-163-wire-bundle-chafing","history":"/api/acts/ad-hs-125-163-wire-bundle-chafing/history","analysis":"/api/acts/ad-hs-125-163-wire-bundle-chafing/analysis","conflicts":"/api/acts/ad-hs-125-163-wire-bundle-chafing/conflicts","importantCases":"/api/acts/ad-hs-125-163-wire-bundle-chafing/important-cases","documents":"/api/acts/ad-hs-125-163-wire-bundle-chafing/documents"}}