{"id":"F2006B09487","name":"AD/EMB-110/47 Amdt 2 - Door Locking Mechanism","slug":"ad-emb-110-47-amdt-2-door-locking-mechanism","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":54006,"registerId":"commonwealth-F2006B09487-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EMB-110/47 Amdt 2 - Door Locking Mechanism","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)  \nEmbraer EMB-110 (Bandeirante) Series Aeroplanes\n\nAD/EMB-110/47\n\nAmdt 2\n\n  \nDoor Locking Mechanism 6/94\n\nApplicability: Model EMB-110 with serial numbers as listed in Embraer SB 110-52-0045 Revision 1.\n\nRequirement: Action in accordance with Embraer Service Bulletin 110-52-0045 or 110-52-0045 Revision 1.\n\nNote: CTA AD 92-10-01R1 Amdt 39-724 refers.\n\nCompliance: Unless already accomplished, within 500 hours time in service after 9 December 1993.\n\nThe compliance of the previous issue of this Directive remains unchanged. This Amendment is effective from 26 May 1994.\n\nBackground: The recent loss of the rear cabin door from an overseas Embraer Bandeirante aircraft was reported to have impacted the horizontal stabilizer and resulted in an accident. Preliminary investigation by the Brazilian Authority had revealed the existence of excessive wear in certain parts of the door locking mechanism. This Directive required an inspection to check the integrity of certain parts of the door locking mechanism.\n\nAmendment 1 was issued in response to a revision of the relevant Brazil AD which required modification of the rear door locking mechanism.\n\nAmendment 2 is issued to reflect a revision of the Requirement Document which adds aircraft serial number 110189 to the Applicability as well as editorial corrections.","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope of addressing door locking mechanism safety. The only change is adding one aircraft serial number to the applicability list, which is a minor technical update rather than scope expansion."},"complexity_factors":["Very short document (approximately 200 words)","Only 2 defined applicability criteria (model type and serial numbers)","Single requirement referencing an external technical document (Embraer Service Bulletin)","Simple compliance condition (time-based: 500 hours after fixed date)","No nested exceptions or conditional logic","Straightforward amendment history with clear description of changes"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspection and modification of the rear cabin door locking mechanism on Embraer EMB‑110 Bandeirante aircraft (specific serial numbers per Embraer SB 110‑52‑0045 Rev 1, now including SN 110189) to prevent in‑flight door separation. Owners/operators must inspect for excessive wear and carry out the required modifications within 500 flight hours after 9 Dec 1993. The measure addresses a known hazard that can damage flight controls and risk loss of control."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 2 expands applicability by adding serial number 110189 to the list of affected aircraft and makes editorial corrections to the Requirement document. The substantive compliance requirement (inspection/modification per Embraer SB and the 500-hour deadline) remains unchanged."},"complexity_factors":["Narrow, serial-number-based applicability — the directive applies only to aircraft listed in Embraer SB 110-52-0045 (Amendment 2 adds serial 110189) (Applicability; Amendment 2).","Normative incorporation of an external document: the mandatory technical actions are specified only in Embraer Service Bulletin 110-52-0045 or its Revision 1 (Requirement).","Safety-critical mechanical inspection/modification of the door locking mechanism — requires technical maintenance work and possible parts replacement (Background: excessive wear found in mechanism).","Time-limited compliance tied to flight hours measured from a past date (Compliance: within 500 hours time in service after 9 December 1993), which affects scheduling and operational availability.","Amendment history and cross-reference to foreign authority ADs increase traceability needs — references to earlier Amendments and CTA/Brazil ADs (Note; Amendment 1; Background).","Limited procedural detail in the directive itself — the AD delegates substantive technical steps to the manufacturer’s service bulletin, raising reliance on that external text for compliance."],"plain_english_summary":"This airworthiness directive requires operators of specific Embraer EMB-110 (Bandeirante) aeroplanes to inspect and, if necessary, modify the rear door locking mechanism following Embraer Service Bulletin 110-52-0045 (or Revision 1). It applies only to the serial numbers listed in that service bulletin and must be completed within 500 flight hours after 9 December 1993. The directive follows a reported loss of a rear cabin door that caused an accident; operators carry the cost and scheduling burden and must follow the manufacturer’s technical instructions."}},"importantCases":[],"_links":{"self":"/api/acts/ad-emb-110-47-amdt-2-door-locking-mechanism","history":"/api/acts/ad-emb-110-47-amdt-2-door-locking-mechanism/history","analysis":"/api/acts/ad-emb-110-47-amdt-2-door-locking-mechanism/analysis","conflicts":"/api/acts/ad-emb-110-47-amdt-2-door-locking-mechanism/conflicts","importantCases":"/api/acts/ad-emb-110-47-amdt-2-door-locking-mechanism/important-cases","documents":"/api/acts/ad-emb-110-47-amdt-2-door-locking-mechanism/documents"}}