{"id":"F2006B09747","name":"AD/F28/1 - Service/Emergency Door - Modification","slug":"ad-f28-1-service-emergency-door-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115952,"registerId":"commonwealth-F2006B09747-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/F28/1 - Service/Emergency Door - 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)  Fokker F28 Series Aeroplanes\n\n \n\n \n\n| AD/F28/1 | Service/Emergency Door - Modification | NK |\n| --- | --- | --- |\n| Applicability: | All models S/Nos. 11003, 11004, 11006, 11009 to 11013. |  |\n| Document: | Fokker SB F28/52-3. |  |\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 \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 standard, narrow Airworthiness Directive targeting a specific technical issue on specific aircraft. It has not expanded beyond its original safety purpose."},"complexity_factors":["Extremely short document (approximately 10 lines of substantive content)","Only 1 defined term implicitly referenced (the Service Bulletin)","No cross-references to other legislation or regulations beyond the enabling Civil Aviation Regulations 1998","Simple applicability test based on aircraft serial numbers","Single, clear action required (modification per specified technical document)","No conditional logic, exceptions, or nested provisions"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** issued by Australia's Civil Aviation Safety Authority (CASA) for specific Fokker F28 aircraft.\n\n**What it does:**\n- Requires a **modification to the service/emergency door** on certain Fokker F28 series aeroplanes.\n- The modification is detailed in **Fokker Service Bulletin F28/52-3** (a technical document from the aircraft manufacturer).\n\n**Who it affects:**\n- Owners and operators of Fokker F28 aircraft with **serial numbers 11003, 11004, 11006, and 11009 through 11013**.\n\n**Why it matters:**\n- Airworthiness Directives are **legally binding safety orders**. They require aircraft owners to make specific repairs or modifications to address unsafe conditions.\n- This directive addresses a safety issue with the service/emergency door—likely related to how it functions in normal operations or during an emergency evacuation.\n- Non-compliance means the aircraft cannot legally fly in Australian airspace."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument, as provided, sets a specific, limited scope by naming particular serial numbers and referencing a single service bulletin. The text contains no indication that it expands or reduces scope compared with a prior instrument; it simply mandates the referenced modification for the listed aircraft (see \"Applicability\" and \"Document\")."},"complexity_factors":["Very narrow scope: applies only to a small set of serial numbers (11003, 11004, 11006, 11009–11013). (Applicability)","Technical detail is not contained in the AD itself; it relies on an external manufacturer service bulletin (Fokker SB F28/52-3). (Document)","Regulatory authority present but AD text lacks procedural details such as compliance timeframe or specific steps, requiring cross-reference to the bulletin or other regulatory guidance.","Implementation complexity is operational (maintenance scheduling, parts, downtime) rather than legislative or interpretive.","Enforcement and discretion concentrated in regulator (CASA) for issuing the AD, with technical execution delegated to maintainers following the bulletin. (Part 39 - 105 reference; Document)"],"plain_english_summary":"This airworthiness directive requires a mandatory modification of the service/emergency door on specific Fokker F28 aircraft (serials 11003, 11004, 11006, 11009–11013) by following Fokker Service Bulletin F28/52-3. It affects the listed aircraft owners/operators and the maintenance organisations that must carry out the work; CASA enforces compliance. Operators bear the costs, downtime and reliance on the service bulletin for technical detail; the AD itself references the bulletin without detailing engineering steps or a compliance deadline."}},"importantCases":[],"_links":{"self":"/api/acts/ad-f28-1-service-emergency-door-modification","history":"/api/acts/ad-f28-1-service-emergency-door-modification/history","analysis":"/api/acts/ad-f28-1-service-emergency-door-modification/analysis","conflicts":"/api/acts/ad-f28-1-service-emergency-door-modification/conflicts","importantCases":"/api/acts/ad-f28-1-service-emergency-door-modification/important-cases","documents":"/api/acts/ad-f28-1-service-emergency-door-modification/documents"}}