{"id":"F2006B08984","name":"AD/DHA-3/27 - Wing to Fuselage Attachments - Inspection","slug":"ad-dha-3-27-wing-to-fuselage-attachments-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52606,"registerId":"commonwealth-F2006B08984-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHA-3/27 - Wing to Fuselage Attachments - Inspection","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nDHA-3 (Drover) Series Aeroplanes\n\nAD/DHA-3/27 Wing to Fuselage Attachments \\- Inspection 1/74\n\nApplicability: All models.\n\nRequirement: 1. Visually inspect the wing rear spar to fuselage attachment area for cracks and for signs of distress particularly in the area of the internal brackets attaching the spar to the root end rib.\n\nNote: These brackets are on the outboard side of the No. 1 rib, and may require removal of the fuel tank to facilitate the inspection.\n\n2. If cracks or distress are found during the inspection in para. 1 remove the fuselage to wing main spar upper attach bolt and using dye penetrant technique inspect the three lugs on the fuselage centre section main spar upper boom for cracks radiating from the bushing hole in each lug.\n\nCompliance: Before further flight.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2154},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive remains tightly focused on its original purpose: mandating specific structural inspections for the DHA-3 Drover aircraft type. There is no evidence of scope creep or expansion beyond the targeted airworthiness issue (wing-to-fuselage attachment integrity)."},"complexity_factors":["Extremely short document (approximately 120 words)","No defined terms or interpretation section","No cross-references to other legislative provisions beyond the enabling Part 39 citation","Single conditional logic path (one 'if cracks found, then do X' scenario)","No exceptions, exemptions, or nested conditions","Direct imperative language (inspect, remove, inspect)"],"plain_english_summary":"CASA has issued a mandatory Airworthiness Directive for all DHA-3 Drover owners/operators requiring immediate inspection of the wing-to-fuselage attachment area for cracks. If damage is found, further nondestructive testing (dye‑penetrant) of attach lugs is required before the next flight. This action prevents possible catastrophic wing separation and is effective immediately — no further flight until compliance."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dha-3-27-wing-to-fuselage-attachments-inspection","history":"/api/acts/ad-dha-3-27-wing-to-fuselage-attachments-inspection/history","analysis":"/api/acts/ad-dha-3-27-wing-to-fuselage-attachments-inspection/analysis","conflicts":"/api/acts/ad-dha-3-27-wing-to-fuselage-attachments-inspection/conflicts","importantCases":"/api/acts/ad-dha-3-27-wing-to-fuselage-attachments-inspection/important-cases","documents":"/api/acts/ad-dha-3-27-wing-to-fuselage-attachments-inspection/documents"}}