{"id":"F2005L00664","name":"AD/CESSNA 170/76 - Flight Control System - 2","slug":"ad-cessna-170-76-flight-control-system-2","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":112944,"registerId":"commonwealth-F2005L00664-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 170, 172, F172, FR172 and 175 Ser","sectionType":"division","heading":"Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes","content":"### Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes\n\n| AD/CESSNA 170/76 | Flight Control System - 2 | 5/2005 DM |\n| ---------------- | ------------------------- | --------- |\n\n| Applicability: | Model 172R aircraft, serial numbers 17281234 through 17281236.Model 172S aircraft, serial numbers 172S9774 through 172S9776, 172S9778 through 172S9781, 172S9783, 172S9784, 172S9786, 172S9788 through 172S9791, and 172S9793.                                                                                                                                                                                                                                                                                                                                                                                                                                |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Accomplish a one-time detailed inspection of the flight control system, and correct installations that do not conform to type design. Inspect by following Chapter 5, TIME LIMITS/MAINTENANCE CHECKS, of the Model 172 Maintenance Manual using the List of Effective Pages dated 7 June 2004.Before further flight, repair any damage found during inspection.Special Flight Permits may not be issued to allow flight before this AD has been complied with, even to reposition for compliance with this directive. If the inspection cannot be carried out at the aircraft’s current location, contact Cessna.Note: FAA Emergency AD 2005-05-53 R1 refers. |\n| Compliance:    | Before further flight after 14 March 2005.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |\n|                | This Airworthiness Directive becomes effective on 14 March 2005.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |\n| Background:    | The FAA has been notified that inadequate or incorrect flight controls rigging may exist on recently produced Cessna Models 172R and 172S aircraft.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n10 March 2005","sortOrder":0},{"sectionNumber":"AD/CESSNA 170/76","sectionType":"part","heading":"AD/CESSNA 170/76","content":"## AD/CESSNA 170/76","sortOrder":1},{"sectionNumber":"Flight Control System - 2","sectionType":"part","heading":"Flight Control System - 2","content":"## Flight Control System - 2","sortOrder":2},{"sectionNumber":"5/2005 DM","sectionType":"part","heading":"5/2005 DM","content":"## 5/2005 DM","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, targeted Airworthiness Directive addressing a specific safety defect in specific aircraft. It has not expanded beyond its original purpose of mandating inspection and repair of potentially defective flight control rigging in identified Cessna aircraft."},"complexity_factors":["Very short document (approximately 250 words of substantive content)","Only 2 defined applicability criteria (specific aircraft models and serial numbers)","Single, straightforward compliance requirement (one-time inspection)","No cross-references to other legislation or complex conditional logic","Clear, unambiguous deadline ('Before further flight after 14 March 2005')","No exceptions or nested conditions — only a blanket prohibition on flight permits","Simple binary outcome: inspect, repair if needed, then fly"],"plain_english_summary":"This CASA Airworthiness Directive requires immediate inspection of the flight control systems on three Cessna 172R and about 17 specific 172S aircraft (listed by serial number). Before any flight after 14 March 2005, mechanics must follow Cessna’s Chapter 5 procedure (pages dated 7 June 2004) and rectify any incorrect or damaged rigging; no ferry flights without manufacturer assistance. It mirrors an FAA emergency AD addressing potentially mis‑rigged controls that pose a serious safety risk."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive enforces a corrective, one‑time inspection and repair requirement limited to identified recently produced serial numbers to address reported incorrect rigging. It does not broaden ongoing certification obligations or create new recurring maintenance duties beyond the single mandated inspection and any necessary repairs (Background; Requirement; Compliance)."},"complexity_factors":["Limited applicability to specific serial numbers (Applicability).","Immediate, before‑further‑flight compliance deadline (Compliance).","Single, one‑time action rather than recurring obligations (Requirement: one‑time detailed inspection).","Prescribed inspection procedure draws on Chapter 5 of the Model 172 Maintenance Manual and a specific List of Effective Pages dated 7 June 2004 (Requirement).","Absolute prohibition on issuing special flight permits to ferry aircraft before compliance increases operational disruption risk (Requirement).","Provision to contact Cessna if inspection cannot be done at current location creates an alternate administrative step (Requirement).","Costs and labour fall to owners/operators for inspection and any repairs; enforcement is by the Civil Aviation Safety Authority (Background; Requirement; Compliance)."],"plain_english_summary":"Requires a one-time detailed inspection of the flight control system on specified Cessna 172R and 172S serial numbers and repair any non-conforming installations before further flight. No special flight permits may be issued to ferry an aircraft before compliance; if the inspection cannot be done at the aircraft’s location, operators must contact Cessna. This responds to reports of incorrect flight‑control rigging and places an immediate compliance and repair obligation on owners/operators effective 14 March 2005."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-170-76-flight-control-system-2","history":"/api/acts/ad-cessna-170-76-flight-control-system-2/history","analysis":"/api/acts/ad-cessna-170-76-flight-control-system-2/analysis","conflicts":"/api/acts/ad-cessna-170-76-flight-control-system-2/conflicts","importantCases":"/api/acts/ad-cessna-170-76-flight-control-system-2/important-cases","documents":"/api/acts/ad-cessna-170-76-flight-control-system-2/documents"}}