{"id":"F2010L00092","name":"AD/A320/8 Amdt 2 - Angle of Attack Sensors","slug":"ad-a320-8-amdt-2-angle-of-attack-sensors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":122789,"registerId":"commonwealth-F2010L00092-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus Industrie A319, A320 and A321 Ser","sectionType":"division","heading":"Airbus Industrie A319, A320 and A321 Series Aeroplanes","content":"### Airbus Industrie A319, A320 and A321 Series Aeroplanes\n\n| AD/A320/8 Amdt 2 | Angle of Attack Sensors | 1/2010 |\n| ---------------- | ----------------------- | ------ |\n\n| Applicability: | All models A320.                                                                                                                                                                                                                                                                                                                     |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | 1. Action in accordance with SB A320-34-1012.Note: DGAC AD 90-018-006 (B) R2 refers.2. Action in accordance with SB A320-34-1013.                                                                                                                                                                                                    |\n| Compliance:    | 1. Within 100 hours time in service from 17 May 1990.2. Prior to 31 August 1991.                                                                                                                                                                                                                                                     |\n|                | This Amendment becomes effective on 29 January 2010.                                                                                                                                                                                                                                                                                 |\n| Background:    | To prevent a risk of simultaneous positioning of two angle of attack sensors which could lead to a pitch-down command.The original AD was a temporary fix for the problem. Amendment 1 was issued in October 1990 to incorporate the permanent modification.This Amendment corrects the number of the DGAC AD mentioned in the Note. |\n\n![](image.001.png)\n\nMike Higgins  \nDelegate of the Civil Aviation Safety Authority\n\n4 January 2010","sortOrder":0},{"sectionNumber":"AD/A320/8 Amdt 2","sectionType":"part","heading":"AD/A320/8 Amdt 2","content":"## AD/A320/8 Amdt 2","sortOrder":1},{"sectionNumber":"Angle of Attack Sensors","sectionType":"part","heading":"Angle of Attack Sensors","content":"## Angle of Attack Sensors","sortOrder":2},{"sectionNumber":"1/2010","sectionType":"part","heading":"1/2010","content":"## 1/2010","sortOrder":3}],"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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope. It is purely administrative — correcting a document reference number without expanding or altering the safety requirements, applicability, or compliance deadlines established in the original 1990 AD and its 1990 Amendment 1."},"complexity_factors":["Very short document (under 300 words)","Only 2 substantive requirements, both referencing external technical documents (Service Bulletins)","Simple compliance structure with fixed deadlines","No defined terms section","No nested conditional logic or exceptions","Minimal cross-referencing (only to external Airbus and French DGAC documents)","Administrative amendment correcting a reference number rather than substantive changes"],"plain_english_summary":"This AD mandates corrective maintenance on Airbus A319/A320/A321 angle-of-attack sensors to prevent two sensors simultaneously mispositioning and a possible sudden pitch-down. It requires compliance with the original Airbus service bulletins under the historic 1990–91 deadlines.\n\nAmendment 2 (Jan 2010) does not change the safety actions — it only corrects a paperwork/reference error. It affects all owners, operators and maintenance organizations of A320-family aircraft in Australia."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The amendment only corrects the reference number of the DGAC AD cited in the Note (\"This Amendment corrects the number of the DGAC AD mentioned in the Note.\") and does not change applicability, the required SB-based actions, or the compliance deadlines."},"complexity_factors":["Applicability: Broad technical scope covering \"All models A320\" — affects the full fleet of that type (Applicability).","Prescriptive technical work: Mandated actions must be done \"in accordance with SB A320-34-1012\" and \"SB A320-34-1013\" — operators must follow specific manufacturer procedures (Requirement).","Fixed compliance windows with historical dates: deadlines are given as \"Within 100 hours time in service from 17 May 1990\" and \"Prior to 31 August 1991\", which are concrete but dated and may require operators to confirm compliance records (Compliance).","Administrative correction only: this amendment \"corrects the number of the DGAC AD mentioned in the Note\" rather than changing technical requirements, limiting substantive regulatory change (Background).","Cross-reference to foreign AD: Note refers to DGAC AD 90-018-006 (B) R2 — tracing international ADs increases paper/record checks for compliance auditors (Requirement/Note).","Compliance cost borne by operators: mandated modifications imply labour, parts and downtime costs to aircraft operators to implement the SBs (inferred from Requirement/Compliance).","Low regulator discretion: the AD prescribes specific SBs and deadlines rather than leaving method or timing to operator choice (Requirement)."],"plain_english_summary":"This Airworthiness Directive applies to all Airbus A320 models and requires operators to perform the modifications described in Airbus Service Bulletins SB A320-34-1012 and SB A320-34-1013 to prevent two angle-of-attack sensors from simultaneously moving into a position that could trigger a pitch-down command. The AD sets specific compliance deadlines. The 2010 amendment corrects the referenced DGAC AD number in the Note but does not alter the substantive modification requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-8-amdt-2-angle-of-attack-sensors","history":"/api/acts/ad-a320-8-amdt-2-angle-of-attack-sensors/history","analysis":"/api/acts/ad-a320-8-amdt-2-angle-of-attack-sensors/analysis","conflicts":"/api/acts/ad-a320-8-amdt-2-angle-of-attack-sensors/conflicts","importantCases":"/api/acts/ad-a320-8-amdt-2-angle-of-attack-sensors/important-cases","documents":"/api/acts/ad-a320-8-amdt-2-angle-of-attack-sensors/documents"}}