{"id":"F2006B01861","name":"AD/A320/113 - Cockpit Sliding Window Lower Mechanism","slug":"ad-a320-113-cockpit-sliding-window-lower-mechanism","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41057,"registerId":"commonwealth-F2006B01861-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\n![](image.002.png)  \nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.","sortOrder":0},{"sectionNumber":"AD/A320/113 Cockpit Sliding Window Lower","sectionType":"part","heading":"AD/A320/113 Cockpit Sliding Window Lower Mechanism 2/2001","content":"# AD/A320/113 Cockpit Sliding Window Lower Mechanism 2/2001\n\nApplicability: Model A319, A320, and A321 aircraft, with manufacturer serial numbers 0718 through 0862, 0864 through 0926, 0928 through 0972, 0974, 0975, 0977, 0979\n\nthrough 0981, 0983 through 0990, 0992, 0997, 1001, 1006, 1008, 1010, 1024, and\n\n1027.\n\nRequirement: Action in accordance with DGAC AD 2000-518-157(B).\n\nNote: Airbus Industrie Service Bulletin A320-56-1007 refers.\n\nCompliance: Before 23 March 2002.\n\nThis Airworthiness Directive becomes effective on 22 February 2001.\n\nBackground: The DGAC received a report of a right hand sliding window which failed to open due to a missing lock pin. Emergency evacuation would not be possible in the event of a jammed sliding window. This Directive requires a visual inspection of the forward and aft lower bogie to verify the presence of lock pins.\n\n![](image.003.png)  \n\nDavid Alan Villiers\n\nDelegate of the Civil Aviation Safety Authority 12 January 2001\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 24 January 2001.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive enforces the inspection and corrective action set out in the referenced DGAC AD for the specified serial-numbered A319/A320/A321 aircraft. The source text shows no expansion or narrowing beyond that intent: Applicability lists affected airframes, Requirement refers to DGAC AD 2000-518-157(B), and Compliance sets the deadline."},"complexity_factors":["Narrow technical requirement: a visual inspection for presence of lock pins on forward and aft lower bogies (Background; Requirement) — low technical sophistication but requires physical access to components.","Serial-numbered applicability: applies only to a specific list of airframes (Applicability) — reduces scope but requires precise fleet identification.","Cross-references external materials: mandates action in accordance with DGAC AD 2000-518-157(B) and refers to Airbus SB A320-56-1007 (Requirement; Note) — compliance depends on interpreting and following those documents.","Fixed, relatively near-term compliance deadline (Compliance) — scheduling pressure on operators to inspect/repair before 23 March 2002.","Delegated enforcement: issued under CAR 1998 subregulation 39.1(1) by a CASA delegate (Intro/Signature) — indicates regulator discretion in issuing the corrective action."],"plain_english_summary":"This Airworthiness Directive requires operators of listed Airbus A319/A320/A321 airframes (specific serial numbers) to visually inspect the forward and aft lower cockpit sliding-window bogies to verify lock pins are present, and to follow the corrective actions in DGAC AD 2000-518-157(B) (Airbus Service Bulletin A320-56-1007). It is binding on aircraft owners/operators, was issued by the CASA delegate, and requires completion before 23 March 2002, creating inspection, repair and scheduling costs for operators to preserve emergency egress capability."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in a defined aircraft population. It has not expanded beyond its original purpose of ensuring cockpit window emergency operability."},"complexity_factors":["Single, specific mechanical inspection requirement with no conditional logic or exceptions","Only 4 substantive sections (Applicability, Requirement, Compliance, Background)","Zero defined terms in an interpretation section","Minimal cross-referencing: only references to one external French directive and one Airbus service bulletin","Clear, fixed compliance deadline with no phased or flight-hour-based requirements","Narrow applicability limited to specific manufacturer serial numbers"],"plain_english_summary":"This CASA Airworthiness Directive mandates owners/operators of specified Airbus A319/A320/A321 serials (~140–150 aircraft) to inspect the cockpit sliding windows’ lower bogie for presence of lock pins. Missing pins can jam a window and block crew evacuation. Inspections must follow DGAC AD 2000‑518‑157(B) and Airbus SB A320‑56‑1007 before 23 March 2002. Effective 22 February 2001."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-113-cockpit-sliding-window-lower-mechanism","history":"/api/acts/ad-a320-113-cockpit-sliding-window-lower-mechanism/history","analysis":"/api/acts/ad-a320-113-cockpit-sliding-window-lower-mechanism/analysis","conflicts":"/api/acts/ad-a320-113-cockpit-sliding-window-lower-mechanism/conflicts","importantCases":"/api/acts/ad-a320-113-cockpit-sliding-window-lower-mechanism/important-cases","documents":"/api/acts/ad-a320-113-cockpit-sliding-window-lower-mechanism/documents"}}