{"id":"F2006B04915","name":"AD/CESSNA 150/16 Amdt 1 - Control Systems","slug":"ad-cessna-150-16-amdt-1-control-systems","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44759,"registerId":"commonwealth-F2006B04915-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 150/16 Amdt 1 - Control Systems","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Cessna 150, F150, 152 & F152 Series Aeroplanes\n\n \n\nAD/CESSNA 150/16\n\nAmdt 1\n\n\nControl Systems 6/70\n\n \n\nApplicability: All models with S/Nos. 15070570 to 15071532, A15000001 to A15000106, F1500500 to F1500560.\n\n \n\nRequirement: Action in accordance with Cessna SL SE69-28. Compliance:  Within 100 hours time in service after 29 April 1970.\n\nNote: Aircraft already modified in accordance with AD/CESSNA 150/16 require no further rework.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2287},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"The amendment adds a note clarifying that aircraft already modified under the original AD/CESSNA 150/16 are exempt from further rework, effectively narrowing the scope to exclude previously compliant aircraft."},"complexity_factors":["Very short length (approximately 100 words)","Single operative requirement that references an external technical document (Cessna Service Letter SE69-28)","Narrow applicability limited to specific aircraft serial numbers","Simple compliance trigger based on accumulated flight hours"],"plain_english_summary":"**What this is:** An Airworthiness Directive (a mandatory aviation safety rule) requiring maintenance on specific Cessna aircraft.\n\n**Who it affects:** Owners and operators of Cessna 150, F150, 152 and F152 aeroplanes with serial numbers in these ranges:\n- 15070570 to 15071532\n- A15000001 to A15000106  \n- F1500500 to F1500560\n\n**What you must do:** Inspect and repair the aircraft's control systems following the manufacturer's instructions in **Cessna Service Letter SE69-28**.\n\n**Deadline:** You must complete this work within 100 hours of flight time after 29 April 1970.\n\n**Exemption:** If your aircraft was already modified under the original version of this rule (AD/CESSNA 150/16), you do **not** need to do the work again."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-150-16-amdt-1-control-systems","history":"/api/acts/ad-cessna-150-16-amdt-1-control-systems/history","analysis":"/api/acts/ad-cessna-150-16-amdt-1-control-systems/analysis","conflicts":"/api/acts/ad-cessna-150-16-amdt-1-control-systems/conflicts","importantCases":"/api/acts/ad-cessna-150-16-amdt-1-control-systems/important-cases","documents":"/api/acts/ad-cessna-150-16-amdt-1-control-systems/documents"}}