{"id":"F2005L03911","name":"AD/DO 328/34 - Fuselage Drain Installation","slug":"ad-do-328-34-fuselage-drain-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":39713,"registerId":"commonwealth-F2005L03911-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Dornier 328 Series Aeroplanes","sectionType":"division","heading":"Dornier 328 Series Aeroplanes","content":"### Dornier 328 Series Aeroplanes\n\n| AD/DO 328/34 | Fuselage Drain Installation | 1/2006 |\n| ------------ | --------------------------- | ------ |\n\n| Applicability: | Model 328-100 aircraft, serial numbers 3005 through 3119.                                                                                    |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Inspect in accordance with Dornier Service Bulletin SB-328-53-462 Revision 1.Note: LBA AD D-2004-449 refers.                                 |\n| Compliance:    | Within 4 months after 19 January 2006 for the initial pressure test, and the next C-Check after 19 January 2006 for the detailed inspection. |\n|                | This Airworthiness Directive becomes effective on 19 January 2006.                                                                           |\n| Background:    | The manufacturer received a report of leakage at one of the fuselage drain lines.                                                            |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n2 December 2005","sortOrder":0},{"sectionNumber":"AD/DO 328/34","sectionType":"part","heading":"AD/DO 328/34","content":"## AD/DO 328/34","sortOrder":1},{"sectionNumber":"Fuselage Drain Installation","sectionType":"part","heading":"Fuselage Drain Installation","content":"## Fuselage Drain Installation","sortOrder":2},{"sectionNumber":"1/2006","sectionType":"part","heading":"1/2006","content":"## 1/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No text indicates the AD extends beyond addressing the reported fuselage drain leakage. The measures (pressure test and detailed inspection) apply only to specified serial numbers and align with the stated background and required timetable (Applicability; Requirement; Compliance; Background)."},"complexity_factors":["Narrow applicability limited to specific serial numbers, reducing procedural variation (Applicability).","Mandates compliance with an external documents: Dornier Service Bulletin SB-328-53-462 Revision 1 (Requirement) — reliance on another document for technical steps.","Two-stage timing: an initial pressure test within four months and a later detailed inspection at the next C‑Check (Compliance) — creates short-term and scheduled maintenance obligations.","Cross-reference to LBA AD D-2004-449 (Requirement/Note) introduces possible alignment with foreign regulator action.","Operator bears direct costs and scheduling burden for inspections and tests (Compliance).","Effective date and CASA delegation establish enforcement and administrative certainty (Effective date; signature)."],"plain_english_summary":"**What it does:** This Airworthiness Directive requires operators of Dornier 328-100 aeroplanes (serials 3005–3119) to perform a pressure test and a follow-up detailed inspection of the fuselage drain installation per Dornier Service Bulletin SB-328-53-462 Rev 1, after the manufacturer reported a leak (Applicability; Requirement; Background). Operators pay for and schedule the work; CASA enforces the AD. The initial pressure test is due within four months of 19 January 2006 and the detailed inspection at the next C‑Check (Compliance)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive addressing a specific technical issue (fuselage drain leakage) on a specific aircraft model. The scope remains tightly focused on the original safety concern without expansion into broader operational or regulatory matters."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only 1 defined applicability criterion (specific serial number range)","Simple two-step compliance requirement with clear deadlines","Single cross-reference to external technical document (Dornier Service Bulletin)","No nested conditions, exceptions, or interpretive provisions","Straightforward factual background (single reported incident)"],"plain_english_summary":"This AD mandates owners/operators of Dornier 328-100 aeroplanes (S/N 3005–3119) to inspect fuselage drain lines for leaks — a pressure test within 4 months of 19 Jan 2006 and a detailed inspection at the next C‑Check — using Dornier Service Bulletin SB‑328‑53‑462 Rev 1. It addresses reported drain-line leakage to prevent water damage, system faults, and structural corrosion."}},"importantCases":[],"_links":{"self":"/api/acts/ad-do-328-34-fuselage-drain-installation","history":"/api/acts/ad-do-328-34-fuselage-drain-installation/history","analysis":"/api/acts/ad-do-328-34-fuselage-drain-installation/analysis","conflicts":"/api/acts/ad-do-328-34-fuselage-drain-installation/conflicts","importantCases":"/api/acts/ad-do-328-34-fuselage-drain-installation/important-cases","documents":"/api/acts/ad-do-328-34-fuselage-drain-installation/documents"}}