{"id":"F2006B03240","name":"AD/B747/60 - Ceiling Lighting Wire Bundles","slug":"ad-b747-60-ceiling-lighting-wire-bundles","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42664,"registerId":"commonwealth-F2006B03240-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B747/60 - Ceiling Lighting Wire Bundles","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)  Boeing 747 Series Aeroplanes\n\n \n\nAD/B747/60 Ceiling Lighting Wire Bundles 2/88\n\nApplicability: All aeroplanes modified with Heath Tecna Superbins in accordance with STC SA2365 NM.\n\n \n\nRequirement: Action in accordance with FAA AD 87-23-01. Compliance:  Prior to 26 April 1988.\n\nBackground: Operators have reported instances of chafing and/or burning of the ceiling lighting wire bundles caused by contact between the outboard edges of the ceiling panels and the bin back panels. This condition if not corrected could result in fires.\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\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, time-bound safety directive addressing a specific mechanical defect in a specific aircraft modification. It has not expanded beyond its original purpose of mandating wiring inspection/repair for fire prevention."},"complexity_factors":["Extremely short document (approximately 150 words)","Only 1 defined term implicitly referenced (STC SA2365 NM — a Supplemental Type Certificate, essentially an approved modification)","No nested conditional logic or exceptions","Single cross-reference to external document (FAA AD 87-23-01) without internal elaboration","Simple binary applicability test: modified with specific bins = applies; not modified = doesn't apply","No subsections, parts, or schedules"],"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 an official \"fix this now\" notice for aircraft owners and operators.\n\n**What it does:** It requires urgent inspection and repair of **ceiling lighting wire bundles** on certain Boeing 747 aircraft. Specifically, it applies to 747s that have been modified with \"Heath Tecna Superbins\" (a type of overhead storage bin installed under a special certification called STC SA2365 NM).\n\n**The safety problem:** Operators reported that the edges of ceiling panels were rubbing against (chafing) and sometimes burning the wiring for ceiling lights. Left unfixed, this could start a fire in the aircraft.\n\n**Who must act:** Anyone operating a Boeing 747 with these specific overhead bins.\n\n**What they must do:** Follow the procedures in **FAA AD 87-23-01** (an American safety order that Australia is adopting here).\n\n**Deadline:** Before 26 April 1988.\n\n**Why it matters:** This is a fire-prevention measure. Aircraft fires are catastrophic, so regulators treat damaged wiring near flammable materials as an urgent safety risk requiring mandatory correction."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive targets a specific subset of Boeing 747 aeroplanes (those modified with Heath Tecna Superbins under STC SA2365 NM) and requires operators to implement the corrective actions set out in FAA AD 87-23-01 by a fixed date. The instrument does not expand applicability beyond that group nor introduce additional categories of aircraft or defects beyond the described chafing/burning condition (Applicability, Requirement, Background)."},"complexity_factors":["Narrow applicability limited to aircraft modified under STC SA2365 NM (Applicability) — reduces scope complexity.","Requirement delegates substantive technical detail to an external FAA AD (Requirement) — adds complexity in having to locate and follow another document.","Fixed compliance deadline (Compliance) imposes scheduling and operational constraints.","Safety-critical technical nature (Background) requires qualified maintenance actions, increasing practical complexity despite simple legal drafting.","No technical steps included in this instrument itself — legal text is short but operationally dependent on cross-reference."],"plain_english_summary":"This airworthiness directive requires operators of Boeing 747s modified with Heath Tecna Superbins (STC SA2365 NM) to carry out the corrective actions in FAA AD 87-23-01 to stop chafing or burning of ceiling lighting wiring where bin panels contact ceiling panels. Work must be completed by 26 April 1988; affected operators bear inspection, repair and downtime costs."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b747-60-ceiling-lighting-wire-bundles","history":"/api/acts/ad-b747-60-ceiling-lighting-wire-bundles/history","analysis":"/api/acts/ad-b747-60-ceiling-lighting-wire-bundles/analysis","conflicts":"/api/acts/ad-b747-60-ceiling-lighting-wire-bundles/conflicts","importantCases":"/api/acts/ad-b747-60-ceiling-lighting-wire-bundles/important-cases","documents":"/api/acts/ad-b747-60-ceiling-lighting-wire-bundles/documents"}}