{"id":"F2006B03631","name":"AD/BEECH 1900/13 - Cabin Partition","slug":"ad-beech-1900-13-cabin-partition","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43221,"registerId":"commonwealth-F2006B03631-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 1900/13 - Cabin Partition","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBeechcraft 1900 Series Aeroplanes\n\nAD/BEECH 1900/13 Cabin Partition 4/96\n\nApplicability: Model 1900D aircraft with serial numbers UE-2 through UE-92.\n\nRequirement: (a) For aircraft with one of the following serial numbers: UE-2 through UE-68, UE- 70 through UE-72, or UE-74 through UE-77; inspect the cabin partition to ensure that a right-hand partition bracket, part number 129-530043-79, exists. If this bracket does not exist, install this bracket with part number MS27039-1-09 screws and part number AN960PD10 washers in accordance with Kit Drawing No. 129-5007 as referenced in Beech Service Bulletin 2556 Revision 1.\n\n(b) For all affected serial numbers (UE-2 through UE-92), improve the right-hand forward partition installation in accordance with Kit Drawing No. 129-5007, as referenced in Beech Service Bulletin 2556 Revision 1.\n\nNote: FAA AD 95-26-14 Amdt 39-9474 refers.\n\nCompliance: Within 400 hours time in service after 28 March 1996.\n\nBackground: The FAA requires the above actions to be taken to prevent cabin partition failure because of a structural deficiency, which could cause passenger injury if the partition could not withstand the load incurred with the baggage compartment loaded to its 250 lb limit.\n\nFederal Register of Legislative Instruments F2006B03631","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific structural defect in a defined aircraft population. It has not expanded beyond its original purpose of mandating a specific inspection and modification to prevent cabin partition failure."},"complexity_factors":["Limited conditional logic: only two distinct requirements based on serial number ranges","Specific technical references to part numbers, drawing numbers, and service bulletins (4 external technical documents referenced)","Serial number-based applicability creates three distinct aircraft groups to track","Single compliance deadline with a 'time in service' calculation requirement","No nested exceptions or complex definitional sections"],"plain_english_summary":"Owners/operators of Beechcraft 1900D aeroplanes (serials UE-2 through UE-92) must inspect and reinforce the right‑hand forward cabin partition to prevent collapse under maximum baggage load. Older serials also require checking for — and, if missing, installing — a specific metal bracket per Beechcraft technical drawing. Work must be done within 400 flight hours after 28 March 1996. This AD adopts FAA AD 95-26-14 into Australian law."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive confines its scope to Model 1900D aircraft serials UE-2–UE-92 and prescribes inspection and retrofit actions to address a specified structural deficiency (Requirement; Background). It does not broaden regulatory reach beyond those aircraft or add new regulatory powers; it implements a targeted corrective action based on the stated safety concern."},"complexity_factors":["Narrow applicability limited to Model 1900D serial numbers UE-2 through UE-92 (Applicability).","Two-tier requirement structure: (a) inspect/install bracket for a subset of serials and (b) improve partition installation for all affected serials (Requirement (a)–(b)).","Specific parts and hardware mandated (part no. 129-530043-79 bracket; MS27039-1-09 screws; AN960PD10 washers) increasing procurement specificity (Requirement (a)).","Dependence on external technical documents (Kit Drawing No. 129-5007; Beech Service Bulletin 2556 Rev 1) for actual modification steps (Requirement).","Fixed compliance window: within 400 hours time in service after 28 March 1996, which creates a clear operational deadline (Compliance).","Work requires maintenance/installation actions by qualified personnel, creating direct labour and downtime costs (Requirement).","Cross-reference to FAA AD 95-26-14 and publication traceability via Federal Register entry, which affects international compliance tracing (Note; Footer)."],"plain_english_summary":"Owners/operators of Beechcraft 1900D aircraft serials UE‑2 through UE‑92 must inspect and, where missing, install a specified right‑hand cabin partition bracket and carry out an improved forward partition installation per Kit Drawing No. 129‑5007 and Beech Service Bulletin 2556 Rev 1. The action is intended to prevent partition failure under a 250 lb baggage load. Owners/operators bear the cost of inspection, parts (bracket, screws, washers) and installation and must comply within 400 hours time in service; the regulator enforces this as an airworthiness directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-1900-13-cabin-partition","history":"/api/acts/ad-beech-1900-13-cabin-partition/history","analysis":"/api/acts/ad-beech-1900-13-cabin-partition/analysis","conflicts":"/api/acts/ad-beech-1900-13-cabin-partition/conflicts","importantCases":"/api/acts/ad-beech-1900-13-cabin-partition/important-cases","documents":"/api/acts/ad-beech-1900-13-cabin-partition/documents"}}