{"id":"F2009L00885","name":"AD/F100/94 - Passenger Door Actuator Attachment","slug":"ad-f100-94-passenger-door-actuator-attachment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":78179,"registerId":"commonwealth-F2009L00885-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Fokker F100 (F28 Mk 100) Series Aeroplan","sectionType":"division","heading":"Fokker F100 (F28 Mk 100) Series Aeroplanes","content":"### Fokker F100 (F28 Mk 100) Series Aeroplanes\n\n| AD/F100/94 | Passenger Door Actuator Attachment | 4/2009 |\n| ---------- | ---------------------------------- | ------ |\n\n| Applicability: | Model F28 Mark 0070 and Mark 0100 aircraft, all serial numbers, if equipped with an ‘Airstair’ type door with a passenger door actuator having a following part number:A26900-401, A82936-701, A82936-705, R5320, R5320-1, R5320-12, W26900-401, W53200-401, W53200-403 or W53200-405.                                                                                                        |\n| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of EASA AD 2009-0026.Note: Fokker Services SBF100-52-087 original issue, and Fokker Services CSB R5320-52-011 original issue, or later EASA approved revisions, refer.                                                                                                                                                                             |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of9 April 2009.                                                                                                                                                                                                                                                                                                       |\n|                | This Airworthiness Directive becomes effective on 9 April 2009.                                                                                                                                                                                                                                                                                                                               |\n| Background:    | Several cases have been reported where a passenger door actuator detached from the passenger door, which allowed the door to drop in an uncontrolled manner. This condition, if not corrected, could result in injury to personnel on the ground and damage to the aircraft. Improvements are introduced to the passenger door actuator attachment to the aircraft and to the passenger door. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n24 February 2009","sortOrder":0},{"sectionNumber":"AD/F100/94","sectionType":"part","heading":"AD/F100/94","content":"## AD/F100/94","sortOrder":1},{"sectionNumber":"Passenger Door Actuator Attachment","sectionType":"part","heading":"Passenger Door Actuator Attachment","content":"## Passenger Door Actuator Attachment","sortOrder":2},{"sectionNumber":"4/2009","sectionType":"part","heading":"4/2009","content":"## 4/2009","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 is a standard, narrow Airworthiness Directive addressing a specific mechanical defect in specific aircraft. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (approximately 200 words of substantive content)","Only 1 defined term implicitly referenced (the part numbers are listed explicitly rather than defined)","No nested conditional logic — applicability is a straightforward list of aircraft models and part numbers","Single requirement: comply with external document (EASA AD 2009-0026)","No cross-references to other Australian legislation","Clear, unambiguous compliance date"],"plain_english_summary":"This CASA Airworthiness Directive mandates repairs/inspections to the passenger door actuator on certain Fokker F28 Mark 0070/0100 (F100) aircraft that have an Airstair door and specified actuator part numbers. It requires operators to follow EASA AD 2009‑0026 and referenced Fokker service bulletins to improve actuator attachment to the frame and door. The AD responds to incidents where actuators detached and heavy doors dropped, creating serious safety hazards; compliance was required from 9 April 2009."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"The AD implements corrective measures for a defined hazard and applies only to F28 Mark 0070 and 0100 aircraft fitted with the listed actuator part numbers, following EASA AD 2009-0026. It does not broaden applicability beyond those models/parts and mirrors the scope set by the referenced EASA/service documents (Applicability; Requirement)."},"complexity_factors":["Cross-reference to an external mandatory document (EASA AD 2009-0026) rather than prescribing detailed steps in the AD itself (Requirement).","Applicability limited to specific aircraft models and a long list of part numbers, requiring accurate parts/aircraft identification (Applicability).","Dependence on original and later approved revisions of multiple service documents (Fokker Services SBF100-52-087 and CSB R5320-52-011) for the exact technical work (Requirement).","A fixed effective/compliance date constrains timing and may create scheduling pressure for operators (Compliance / Effective date).","Potential need for inspection, modification or replacement works that require parts, technical labour and possible aircraft downtime (implied by Background/Requirement).","Safety-critical nature increases procedural and record-keeping burdens under airworthiness regulation (Background)."],"plain_english_summary":"This Airworthiness Directive orders corrective work on passenger door actuator attachments for Fokker F100 (F28 Mk 100) aircraft that have an ‘Airstair’ door fitted with any of a listed set of actuator part numbers. It requires operators to follow the procedures in EASA AD 2009-0026 (and referenced Fokker service documents) because actuators have detached and allowed doors to drop, risking injury and aircraft damage. Operators bear the cost and downtime to inspect and modify or replace the attachment as required."}},"importantCases":[],"_links":{"self":"/api/acts/ad-f100-94-passenger-door-actuator-attachment","history":"/api/acts/ad-f100-94-passenger-door-actuator-attachment/history","analysis":"/api/acts/ad-f100-94-passenger-door-actuator-attachment/analysis","conflicts":"/api/acts/ad-f100-94-passenger-door-actuator-attachment/conflicts","importantCases":"/api/acts/ad-f100-94-passenger-door-actuator-attachment/important-cases","documents":"/api/acts/ad-f100-94-passenger-door-actuator-attachment/documents"}}