{"id":"F2006B06951","name":"AD/SF340/22 - Forward Toilet Service Door","slug":"ad-sf340-22-forward-toilet-service-door","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114849,"registerId":"commonwealth-F2006B06951-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SF340/22 - Forward Toilet Service Door","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)  SAAB SF340 Series Aeroplanes\n\n \n\nAD/SF340/22 Forward Toilet Service Door 3/91\n\nApplicability: Model 340B with serial numbers;\n\n \n\nSAAB 340-163, -165,- 166, -199, -171, 172, 174, 177, 180, -181, -184, -191, through\n\n-194, -198, -199, -201 through -207, -210 through - 212, -214, -216, -218, -219.\n\n \n\nRequirement: Action in accordance with the technical requirements of Swedish LFV AD 1-044 Rev A.\n\n \n\nNote: SAAB-SCANIA AB SB SAAB 340-52-013 Rev. 1 refers.\n\n \n\nCompliance: As specified in the Requirement Document with revised effective date 21 March 1991.\n\n \n\nBackground: Following the loss of a fwd toilet service door during flight, the Swedish Civil Aviation Administration requires the incorporation of a modification that reinforces the door and secures the hinge pin.\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 discrete, targeted safety directive addressing a specific mechanical failure on specific aircraft. It has not expanded beyond its original purpose of mandating a door modification."},"complexity_factors":["Very short document (under 200 words)","Only 4 defined structural elements: Applicability, Requirement, Note, Compliance, Background","Single cross-reference to Swedish LFV AD 1-044 Rev A and SAAB Service Bulletin 340-52-013 Rev. 1","No conditional logic or nested exceptions","Simple imperative requirement: 'Action in accordance with...'","Specific but limited applicability (30 serial numbers of one aircraft model)"],"plain_english_summary":"This CASA Airworthiness Directive mandates that owners/operators of specified SAAB 340B aircraft carry out modifications to reinforce and secure the forward toilet service door, per the Swedish LFV AD. It targets a set of listed serial-numbered aircraft after an in-flight door separation.\n\nThe work must be completed by the compliance date in the Swedish directive (effective 21 March 1991) to eliminate the risk of door loss and related hazards."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive adopts the Swedish AD's technical requirement for reinforcing the forward toilet service door on listed Saab 340B serials. It aligns with the original safety objective (preventing door loss) and does not expand applicability beyond the specified serial-number list."},"complexity_factors":["Cross-reference to a foreign (Swedish LFV) airworthiness directive rather than standalone Australian text, requiring operators to obtain and follow that document","Dependency on a manufacturer service bulletin (SAAB 340-52-013 Rev.1) for technical instructions","Applicability limited to a specific list of serial-numbered aircraft, requiring fleet-level identification and record checks","Fixed compliance date (Requirement Document revised effective date: 21 March 1991) creates scheduling and operational planning for affected operators","Physical modification (reinforcement and hinge-pin securing) implies parts, labour, and potential aircraft downtime","Regulatory compliance and maintenance record-keeping obligations tied to an AD enforcement regime"],"plain_english_summary":"This Airworthiness Directive requires operators of specific Saab 340B aeroplanes to modify the forward toilet service door — reinforcing the door and securing the hinge pin — by following Swedish LFV AD 1‑044 Rev A and SAAB service bulletin 340‑52‑013 Rev.1. It applies only to listed serial-numbered aircraft; operators pay for and schedule the work and must comply by the Requirement Document’s revised effective date (21 March 1991). The measure responds to a reported in‑flight loss of the door."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sf340-22-forward-toilet-service-door","history":"/api/acts/ad-sf340-22-forward-toilet-service-door/history","analysis":"/api/acts/ad-sf340-22-forward-toilet-service-door/analysis","conflicts":"/api/acts/ad-sf340-22-forward-toilet-service-door/conflicts","importantCases":"/api/acts/ad-sf340-22-forward-toilet-service-door/important-cases","documents":"/api/acts/ad-sf340-22-forward-toilet-service-door/documents"}}