{"id":"F2006B09482","name":"AD/EMB-110/42 - Undercarriage Wiring Inspection","slug":"ad-emb-110-42-undercarriage-wiring-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53993,"registerId":"commonwealth-F2006B09482-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EMB-110/42 - Undercarriage Wiring 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)  Embraer EMB-110 (Bandeirante) Series Aeroplanes\n\n \n\nAD/EMB-110/42 Undercarriage Wiring Inspection 13/89\n\nApplicability: All model EMB-110 aircraft.\n\n \n\nRequirement:  Carry out an inspection of the main and nose landing gear wiring in accordance with Embraer SB 110-32-052R3.\n\n \n\nNote: Brazilian AD 82-10-02R1 refers.\n\n \n\nCompliance: Unless previously accomplished,\n\n \n\n1. Within 25 hours time in service from 28 December 1989, and\n\n\n \n\n2.    Thereafter at intervals not exceeding 600 hours time in service or 3 months.\n\n \n\nBackground:   Embraer have advised that the main and nose landing gear wiring are subject to wear in operation which can produce open and/or short circuits which may result in erratic indication and/or uncommanded operation of the landing gear.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific wiring defect in a specific aircraft type. It has not expanded beyond its original purpose of mandating landing gear wiring inspections."},"complexity_factors":["Single, specific aircraft model (EMB-110 series)","One clear mandatory action (wiring inspection)","Simple two-part compliance schedule (initial + recurring)","Only one cross-reference (to Brazilian AD 82-10-02R1, provided as context only)","No defined terms section","No conditional exceptions or nested logic","Total length: approximately 150 words of substantive content"],"plain_english_summary":"This CASA airworthiness directive mandates owners/operators of Embraer EMB-110 (Bandeirante) aircraft to inspect main and nose landing gear wiring because normal wear can cause open or short circuits, risking false gear indications or uncommanded gear movement. Inspections follow Embraer SB 110-32-052R3: first within 25 flight hours after 28 Dec 1989, then every 600 flight hours or every 3 months, whichever comes first."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive's scope is limited and explicit: it applies to all EMB-110 models and mandates inspections of main and nose landing‑gear wiring per Embraer SB 110-32-052R3 (Applicability; Requirement). It sets a fixed initial compliance deadline and recurring intervals (Compliance), and contains no new exemptions or extensions beyond requiring inspections and associated corrective work. There is no text in the instrument indicating an expansion or narrowing of the original technical scope."},"complexity_factors":["Applicability is broad but simple: applies to 'All model EMB-110 aircraft' (Applicability).","Normative external reference: requires following Embraer SB 110-32-052R3 rather than prescribing detailed steps in the AD itself, so operators must obtain and interpret the service bulletin (Requirement).","Short initial compliance window (within 25 hours time in service from 28 December 1989) creates immediate operational/maintenance scheduling pressure (Compliance: 1).","Recurring inspection interval (600 hours TIS or 3 months) imposes an ongoing maintenance burden and scheduling discipline on operators and maintenance organisations (Compliance: 2).","Cost bearer: operators/owners bear inspection costs and any remedial work because the AD mandates inspections and corrective action per the SB (Requirement; Applicability).","Technical judgement: inspections of wiring for wear/shorts require qualified maintenance personnel and potential parts/repair decisions, creating practical compliance complexity (Background; Requirement).","Cross-reference to foreign directive: notes Brazilian AD 82-10-02R1, which may require operators to consult multiple sources for complete compliance history (Note)."],"plain_english_summary":"This airworthiness directive requires operators of all Embraer EMB‑110 aeroplanes to inspect the main and nose landing‑gear wiring using the Embraer service bulletin (SB 110‑32‑052R3) to detect wear that can cause open or short circuits. Inspections must be done within 25 hours’ time in service from 28 December 1989 and then every 600 hours or every 3 months. It matters because wiring faults can cause incorrect indications or uncommanded landing‑gear operation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-emb-110-42-undercarriage-wiring-inspection","history":"/api/acts/ad-emb-110-42-undercarriage-wiring-inspection/history","analysis":"/api/acts/ad-emb-110-42-undercarriage-wiring-inspection/analysis","conflicts":"/api/acts/ad-emb-110-42-undercarriage-wiring-inspection/conflicts","importantCases":"/api/acts/ad-emb-110-42-undercarriage-wiring-inspection/important-cases","documents":"/api/acts/ad-emb-110-42-undercarriage-wiring-inspection/documents"}}