{"id":"F2006B02365","name":"AD/AMD 20/26 - Wing to Fuselage Upper Fairings","slug":"ad-amd-20-26-wing-to-fuselage-upper-fairings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41595,"registerId":"commonwealth-F2006B02365-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AMD 20/26 - Wing to Fuselage Upper Fairings","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)  \nAMD Fan Jet Falcon (Falcon 20/Mystere-Falcon 200) Series Aeroplanes\n\nAD/AMD 20/26 Wing to Fuselage Upper Fairings 2/97\n\nApplicability: Mystere Falcon 200, all serial numbers.\n\nRequirement: Unless already accomplished, check for damage to, and the security of, the wing to fuselage upper fairings, and add cup washers below the screw heads of vertical seam screws of the wing to fuselage upper fairings in accordance with Mystere Falcon 200 Maintenance Manual Rev 12. Chapter 53 procedure 731-3.\n\nNote: DGAC 96-246-022 refers.\n\nCompliance: Before 31 August 1997, or within 330 hours time in service after 30 January 1997, whichever occurs first; thereafter inspect at intervals not exceeding six months or 300 hours time in service, whichever occurs first.\n\nThis Airworthiness Directive becomes effective on 30 January 1997.\n\nBackground: This Directive is issued with the intent of preventing the loss of wing to fuselage upper fairings.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1346},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original focused scope of preventing physical loss of wing-to-fuselage upper fairings through mandated inspections and hardware modifications. There is no evidence of scope expansion beyond this specific airworthiness concern."},"complexity_factors":["Single aircraft type applicability (Mystere Falcon 200 only)","One primary mechanical task (inspection and washer installation)","Simple compliance timeline with clear alternative triggers (date vs. flight hours)","Minimal cross-referencing (references only one maintenance manual chapter)","No exceptions, exemptions, or nested conditional logic"],"plain_english_summary":"This mandatory Airworthiness Directive requires all Mystere Falcon 200 operators to inspect the wing-to-fuselage upper fairings for damage/security and to install cup washers under vertical‑seam screw heads per the maintenance procedure. Initial inspection is due before 31 Aug 1997 or within 330 flight hours after 30 Jan 1997, whichever comes first; follow‑on checks are every 6 months or 300 flight hours. It prevents fairings detaching in flight, a hazard to the aircraft and people on the ground."}},"importantCases":[],"_links":{"self":"/api/acts/ad-amd-20-26-wing-to-fuselage-upper-fairings","history":"/api/acts/ad-amd-20-26-wing-to-fuselage-upper-fairings/history","analysis":"/api/acts/ad-amd-20-26-wing-to-fuselage-upper-fairings/analysis","conflicts":"/api/acts/ad-amd-20-26-wing-to-fuselage-upper-fairings/conflicts","importantCases":"/api/acts/ad-amd-20-26-wing-to-fuselage-upper-fairings/important-cases","documents":"/api/acts/ad-amd-20-26-wing-to-fuselage-upper-fairings/documents"}}