{"id":"F2006B02775","name":"AD/B727/72 - Toilet Areas - Inspection and Modification","slug":"ad-b727-72-toilet-areas-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42117,"registerId":"commonwealth-F2006B02775-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B727/72 - Toilet Areas - Inspection and Modification","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 727 Series Aeroplanes\n\n \n\nAD/B727/72 Toilet Areas - Inspection and Modification 12/75\n\nApplicability: All models.\n\n \n\nDocument: 1. FAA AD 74-21-03, Amdt. 39-2376.\n\n \n\nCompliance: Before 1 May 1976.\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\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument records a requirement that mirrors and implements the referenced FAA AD for Boeing 727 toilet areas: it applies to all models and sets a compliance deadline. The text provided does not indicate any expansion or narrowing of scope beyond that reference; the substantive scope and technical content are delegated to the referenced FAA AD (FAA AD 74-21-03, Amdt. 39-2376)."},"complexity_factors":["Cross-reference to an external FAA airworthiness directive (FAA AD 74-21-03) for substantive requirements rather than including them in the instrument","Lack of procedural detail in the instrument itself (no description of inspection/modification steps, no specification of acceptable compliance methods)","Single fixed compliance deadline (creates a clear but time-constrained obligation)","Broad applicability statement ('All models') without model-specific differentiation","Absence of explicit statements on cost allocation, enforcement, or responsible parties in the text provided"],"plain_english_summary":"This directive requires inspection and modification of toilet areas on all Boeing 727 models, with work to be completed by 1 May 1976. It cross‑references FAA AD 74-21-03 for the technical requirements and justification, so affected operators must consult that AD for the specific corrective actions, methods and compliance details."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue safety directive focused specifically on toilet area inspections and modifications for one aircraft type. It has not expanded beyond its original narrow scope."},"complexity_factors":["Extremely short document — only 8 substantive lines","No defined terms section","No conditional logic or exceptions","Single cross-reference to a US FAA directive (FAA AD 74-21-03)","Simple, absolute compliance deadline (\"Before 1 May 1976\")","No nested provisions or subsections"],"plain_english_summary":"**What this is:** This is an Airworthiness Directive (AD) — essentially a mandatory safety order — issued by Australia's Civil Aviation Safety Authority (CASA) for Boeing 727 aircraft.\n\n**What it requires:** All Boeing 727 models must have their toilet areas inspected and modified before 1 May 1976.\n\n**Why it matters:** Airworthiness Directives are legally binding safety instructions. If you own, operate, or maintain a Boeing 727 in Australia, you *must* comply with this directive. The reference to \"FAA AD 74-21-03\" indicates this requirement originated from the US Federal Aviation Administration, which CASA has adopted into Australian law.\n\n**Who it affects:**\n- Airlines and operators flying Boeing 727s in Australian airspace\n- Maintenance organisations servicing these aircraft\n- Aircraft owners and lessors\n\n**The bottom line:** This is a time-critical safety fix for toilet areas on Boeing 727s. Non-compliance means the aircraft cannot legally fly."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b727-72-toilet-areas-inspection-and-modification","history":"/api/acts/ad-b727-72-toilet-areas-inspection-and-modification/history","analysis":"/api/acts/ad-b727-72-toilet-areas-inspection-and-modification/analysis","conflicts":"/api/acts/ad-b727-72-toilet-areas-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-b727-72-toilet-areas-inspection-and-modification/important-cases","documents":"/api/acts/ad-b727-72-toilet-areas-inspection-and-modification/documents"}}