{"id":"F2008L03685","name":"AD/CASA/30 - Autopilot Servo Drive Actuators","slug":"ad-casa-30-autopilot-servo-drive-actuators","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75391,"registerId":"commonwealth-F2008L03685-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Casa 212 Series Aeroplanes","sectionType":"division","heading":"Casa 212 Series Aeroplanes","content":"### Casa 212 Series Aeroplanes\n\n| AD/CASA/30 | Autopilot Servo Drive Actuators | 11/2008 |\n| ---------- | ------------------------------- | ------- |\n\n| Applicability: | C-212-CB, C-212-CC, C-212-CD and C-212-CE aircraft, all serial numbers, if Part Number (P/N) 4006719-904 or P/N 4006719-913 autopilot servo drive actuators (servo-motors) are installed. |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement: | 1. Identify the affected P/N 4006719-904 and P/N 4006719-913 servo-motors and modify each unit or replace it with a modified unit, in accordance with the instructions of EADS-CASA Boletin de Servicio (Service Bulletin)SB-212-22-16 dated 13 March 2006 or later Revision approved by the European Aviation Safety Agency (EASA). |\n| | 2. P/N 4006719-904 or P/N 4006719-913 servo-motor, as identified in Honeywell International Alert Service Bulletin (ASB) 4006719-22-A0016 (Revised 1 November 2004), may not be installed on any C-212 aircraft, unless it has been modified in accordance with the instructions of ASB 4006719-22-A0016 (Revised 1 November 2004). |\n| | Note: EASA AD 2008-0144 refers. |\n| Compliance: | For Requirement 1 - Within two months after the effective date of this Directive. |\n| | For Requirement 2 - After the effective date of this Directive. |\n| | This Airworthiness Directive becomes effective on 23 October 2008. |\n| Background: | Honeywell International, the manufacturer of the SPZ200 autopilot system installed on the EADS-CASA C-212 series aircraft, has identified a series of servo-motors, P/N 4006719-904 and P/N 4006719-913, designed for use in the SPZ200 autopilot system, whose failure can lead to a potential unsafe flight condition. To address and correct this situation, Honeywell International has published ASB 4006719-22-A0016 (Revised), that indentifies the affected servo-motors, recommending the removal of these units from the aircraft and including modification instructions to be accomplished prior to reinstallation. |\n| | EADS-CASA has determined that the flight safety of the C-212 aircraft is at risk. Consequently, SB-212-22-16 has been published to advise C-212 operators of this condition and to recommend that the affected servo-motors are modified or replaced with modified units. |\n\n| | For the reasons described above, this Directive requires the identification of the affected servo-motors and modification or replacement with modified units. |\n| --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png) \nCharles Lenarcic \nDelegate of the Civil Aviation Safety Authority\n\n9 September 2008","sortOrder":0},{"sectionNumber":"AD/CASA/30","sectionType":"part","heading":"AD/CASA/30","content":"## AD/CASA/30","sortOrder":1},{"sectionNumber":"Autopilot Servo Drive Actuators","sectionType":"part","heading":"Autopilot Servo Drive Actuators","content":"## Autopilot Servo Drive Actuators","sortOrder":2},{"sectionNumber":"11/2008","sectionType":"part","heading":"11/2008","content":"## 11/2008","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive confines its scope to C‑212‑CB/CC/CD/CE aircraft fitted with the two specified servo‑motor part numbers and mandates modification, replacement, and an installation prohibition. This aligns with the stated safety objective to address identified servo‑motor failures and does not expand coverage beyond the identified parts, aircraft models, or the corrective actions set out by the manufacturers and EASA."},"complexity_factors":["Narrow applicability to specific C‑212 variants and two precise part numbers (Applicability)","Dual mandatory actions: identify and modify/replace affected units (Requirement 1)","Absolute prohibition on installing unmodified units (Requirement 2)","Short compliance deadline: two months for modification/replacement (Compliance)","Dependence on manufacturer service documents and an external regulator approval for revisions (EADS‑CASA SB, Honeywell ASB, EASA reference)","Operational logistics and cost borne by aircraft operators (Background/Requirement)"],"plain_english_summary":"**What changes mechanically:** Operators of C-212‑CB/CC/CD/CE aircraft must identify any autopilot servo drive actuators with P/N 4006719‑904 or 4006719‑913 and either modify each unit or replace it with a modified unit per EADS‑CASA Service Bulletin SB‑212‑22‑16 (or Honeywell ASB instructions). Installation of those P/Ns is prohibited unless modified. \n\n**Who it affects and why it matters:** CASA says Honeywell found servo‑motor failures that could create unsafe flight conditions; aircraft operators pay to comply, must act within the specified timeframe, and follow manufacturer instructions enforced by CASA."},"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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive addressing a specific identified safety defect in particular aircraft equipment. The scope remains tightly focused on the original safety purpose — correcting a known autopilot servo-motor failure mode. No scope creep is evident."},"complexity_factors":["Short, single-purpose directive with only 2 substantive requirements","Minimal defined terms (only standard aviation abbreviations like P/N, ASB, SB)","No nested exceptions or conditional logic — requirements apply straightforwardly based on equipment installation","Clear compliance deadlines with simple temporal triggers","Single cross-reference to EASA AD 2008-0144 (informational only)","Total length: approximately 300 words of operative text"],"plain_english_summary":"This CASA Airworthiness Directive orders owners/operators of C‑212‑CB/CC/CD/CE aircraft to inspect and repair or replace Honeywell SPZ200 autopilot servo‑motors (P/Ns 4006719‑904, ‑913) within two months of 23 Oct 2008, using EADS‑CASA and Honeywell service bulletins. It also bans installing unmodified servo‑motors. The action prevents known servo failures that can cause loss of aircraft control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-casa-30-autopilot-servo-drive-actuators","history":"/api/acts/ad-casa-30-autopilot-servo-drive-actuators/history","analysis":"/api/acts/ad-casa-30-autopilot-servo-drive-actuators/analysis","conflicts":"/api/acts/ad-casa-30-autopilot-servo-drive-actuators/conflicts","importantCases":"/api/acts/ad-casa-30-autopilot-servo-drive-actuators/important-cases","documents":"/api/acts/ad-casa-30-autopilot-servo-drive-actuators/documents"}}