{"id":"F2017L00410","name":"AD/A320/36 Amdt 3 - Passenger Door Lower Connection Link Bushes","slug":"ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":96140,"registerId":"commonwealth-F2017L00410-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus A319, A320 and A321 Series Aeropl","sectionType":"part","heading":"Airbus A319, A320 and A321 Series Aeroplanes","content":"# Airbus A319, A320 and A321 Series Aeroplanes\n\n| AD/A320/36 Amdt 3 | Passenger Door LowerConnection Link Bushes | 8/2017 |\n| ----------------- | ------------------------------------------ | ------ |\n\n| Applicability: | All Airbus A320 models without Modification 22422 (referred to in Airbus Service Bulletin (SB) A320-52-1027 as in force from time to time).                                                                                                                                                                                                                                                                                                                                                                                                                                    |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Unless already accomplished, action in accordance with:1. Airbus All Operators Telex 52-04 Revision 1 dated 12 October 1993 as in force at the commencement of this legislative instrument, or Airbus Industrie SB A320‑52-1047 as in force from time to time, and2. Airbus SB A320-52-1027 as in force from time to time, limited to the installation of kit number 521027A02 on all doors.Note 1: This AD is based on DGAC AD 93-207-048(B) R1.Note 2: The words “as in force from time to time” require compliance with the most recent version of the referenced document. |\n| Compliance:    | 1. Within 450 hours time in service after 19 January 1994 and thereafter at intervals not exceeding 900 hours time in service until aircraft is modified.2. Within 3500 hours time in service after 19 January 1994.Note 3: Compliance with the original AD remains unchanged.                                                                                                                                                                                                                                                                                                 |\n|                | This AD commences on 20 April 2017.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |\n| Background:    | During an emergency evacuation, one of the passenger doors jammed in a near closed position against the fuselage structure. Subsequent investigation found that the lower connecting link bush had migrated.Amendment 1 corrected the repeat inspection compliance time.Amendment 2 revised the Requirement references.                                                                                                                                                                                                                                                        |\n\n  \n\n|     | Amendment 3 is issued to clarify the AD applicability. |\n| --- | ------------------------------------------------------ |\n\n![](image.001.jpeg)\n\nPieter van Dijk  \nDelegate of the Civil Aviation Safety Authority\n\n6 April 2017","sortOrder":0},{"sectionNumber":"AD/A320/36 Amdt 3","sectionType":"part","heading":"AD/A320/36 Amdt 3","content":"## AD/A320/36 Amdt 3","sortOrder":1},{"sectionNumber":"Passenger Door LowerConnection Link Bush","sectionType":"part","heading":"Passenger Door LowerConnection Link Bushes","content":"## Passenger Door Lower  \nConnection Link Bushes","sortOrder":2},{"sectionNumber":"8/2017","sectionType":"part","heading":"8/2017","content":"## 8/2017","sortOrder":3}],"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"},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"Amendment 3 clarifies which aircraft the AD applies to; it does not introduce new inspection or modification requirements. The instrument continues to mandate recurring inspections and the installation of kit 521027A02 per the referenced Airbus documents, but the amendment narrows/clarifies applicability language (source: “Amendment 3 is issued to clarify the AD applicability”)."},"complexity_factors":["Conditional applicability: applies only to A320-family aircraft without Modification 22422 (Applicability).","Multiple referenced documents: requires compliance with Airbus AOT 52-04 Rev 1 or SB A320-52-1047 and SB A320-52-1027 (Requirement).","\"As in force from time to time\" language forces operators to track and adopt the most recent revisions of referenced Airbus documents (Requirement, Note 2).","Different compliance timelines: an initial/repeat inspection cycle (450/900 hours) plus a separate modification compliance time (3500 hours) creates scheduling complexity (Compliance).","Amendment history and retroactive dates: original AD, Amendment 1 and 2, and this Amendment 3 (issued 6 April 2017) require operators to reconcile prior compliance actions with the clarified applicability (Background; Amendment note).","Technical limitation: SB A320-52-1027 compliance is limited to installation of a specific kit number (521027A02), restricting allowable corrective action (Requirement)."],"plain_english_summary":"This Airworthiness Directive requires operators of Airbus A319/A320/A321 aeroplanes without Modification 22422 to carry out recurring inspections of the passenger door lower connection link bushes and to install kit 521027A02, following specified Airbus service documents. It sets initial and repeat inspection intervals and a modification compliance window to address reported bush migration that can jam a passenger door. Operators pay for inspections, the kit and downtime; they must follow the latest referenced Airbus documents (“as in force from time to time”) and schedule maintenance accordingly."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This amendment is purely clarificatory — it specifies the applicability (which aircraft models are covered) without expanding the substantive safety requirements. The core mandate (inspect and modify door bushes) remains identical to the original 1994 directive."},"complexity_factors":["Multiple nested references to external technical documents (Airbus Service Bulletins and All Operators Telex) with 'as in force from time to time' clauses","Dual compliance pathways (inspection regime OR modification with different timeframes)","Historical compliance dates referencing 1994, creating potential confusion about retroactive application","Cross-reference to French aviation authority (DGAC) original directive","Amendment history (3 versions) requiring operators to track what changed vs. what remained constant"],"plain_english_summary":"CASA's AD requires operators of Airbus A319/A320/A321 (without a specific mod) to inspect and modify passenger door lower connection link bushes after a reported door jam during an evacuation. Operators must perform recurrent inspections and install the modification kit within the flight‑hour limits, following Airbus instructions.\n\nIt affects airlines and maintenance organisations operating those types in Australia; Amendment 3 only clarifies which aircraft are covered."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes","history":"/api/acts/ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes/history","analysis":"/api/acts/ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes/analysis","conflicts":"/api/acts/ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes/conflicts","importantCases":"/api/acts/ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes/important-cases","documents":"/api/acts/ad-a320-36-amdt-3-passenger-door-lower-connection-link-bushes/documents"}}