{"id":"F2006B05685","name":"AD/PA-31/10 - Stall Strip - Inspection","slug":"ad-pa-31-10-stall-strip-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135452,"registerId":"commonwealth-F2006B05685-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-31/10 - Stall Strip - Inspection","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)  Piper PA-31 Series Aeroplanes\n\n \n\nAD/PA-31/10 Stall Strip - Inspection 2/70\n\nApplicability: All models with S/Nos. 31-465 to 31-478, 31-480, 31-481, 31-483, 31-484, 31-486\n\nto 31-514, 31-516, 31-518 to 31-526, 31-528, 31-529, 31-534 and 31-537.\n\n \n\nDocument: Piper SB No. 304.\n\n \n\nCompliance: Within 100 hours time in service after 20 February 1970.\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\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2254},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This remains a narrow, technical maintenance directive targeting a specific airworthiness concern on defined aircraft models. There is no evidence of scope expansion beyond the original safety inspection requirement."},"complexity_factors":["Single compliance action with no sub-conditions or exceptions","Limited applicability list covering only 14 discrete serial number ranges/individuals","Only one external reference document (Piper SB 304)","No definitions section or interpretive provisions"],"plain_english_summary":"This directive requires owners/operators of certain Piper PA‑31 aircraft to inspect the wing leading‑edge stall strip per Piper Service Bulletin No. 304 within 100 hours time‑in‑service after 20 February 1970. \n\nThe inspection is mandatory because degraded or missing stall strips can produce unpredictable, asymmetric stall behavior during takeoff or landing, posing a significant safety risk."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-10-stall-strip-inspection","history":"/api/acts/ad-pa-31-10-stall-strip-inspection/history","analysis":"/api/acts/ad-pa-31-10-stall-strip-inspection/analysis","conflicts":"/api/acts/ad-pa-31-10-stall-strip-inspection/conflicts","importantCases":"/api/acts/ad-pa-31-10-stall-strip-inspection/important-cases","documents":"/api/acts/ad-pa-31-10-stall-strip-inspection/documents"}}