{"id":"F2006B01953","name":"AD/A320/65 Amdt 2 - Fuselage Reinforcement Section 18","slug":"ad-a320-65-amdt-2-fuselage-reinforcement-section-18","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41175,"registerId":"commonwealth-F2006B01953-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/A320/65 Amdt 2 - Fuselage Reinforcement Section 18","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)  \nAirbus Industrie A319, A320 and A321 Series Aeroplanes\n\nAD/A320/65\n\nAmdt 2\n\n  \nFuselage Reinforcement Section 18 2/98\n\nApplicability: All models without Airbus Industrie modification 22764 embodied, or Service Bulletins A320-53-1110 and A320-53-1131 incorporated.\n\nRequirement: Reinforce the fuselage at section 18 in accordance with the instructions of: Airbus Industrie Service Bulletin A320-53-1110 for frames 68 and 69; and, Airbus Industrie Service Bulletin A320-53-1131 for frames 65, 66, and 67.\n\nNote: DGAC AD 97-315-109 (B) refers.\n\nCompliance: Before 13 January 2002.\n\nThe compliance of the previous issue of this Directive remains unchanged. This amendment becomes effective on 29 January 1998.\n\nBackground: This directive was issued to increase the marginal strength of the rear fuselage to enable it to cope with an undetected tail scrape.\n\nAmendment 1 reflected the amended compliance of the related DGAC AD.\n\nAmendment 2 is issued in response to a new DGAC AD which introduces additional frames for reinforcement.\n\nAmendment 1 of this airworthiness directive became effective on 2 January 1997. The original issue of this airworthiness directive became effective on 28 March 1996.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1615},"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":true,"description":"Amendment 2 significantly expanded the scope from the original directive. While the original 1996 directive and Amendment 1 only covered frames 68 and 69, Amendment 2 added frames 65, 66, and 67 — increasing the reinforcement requirement by 150% (from 2 frames to 5 frames) based on new safety data from French aviation authorities."},"complexity_factors":["References to external technical documents (Airbus Service Bulletins) containing detailed engineering instructions not reproduced in the directive","Conditional applicability based on whether specific aircraft modifications or previous service bulletins have been embodied","Cross-reference to French DGAC (Direction Générale de l'Aviation Civile) airworthiness directive 97-315-109(B)","Amendment history indicating progressive expansion of affected structural areas","Technical aviation terminology requiring specialized engineering knowledge (fuselage sections, frame numbers, tail scrape scenarios)"],"plain_english_summary":"Mandatory Airworthiness Directive requires owners/operators of Airbus A319/A320/A321 aircraft without factory modification 22764 (or equivalent updates) to reinforce the rear fuselage at Section 18, strengthening frames 65–69 per Airbus service bulletins.\n\nThis measure prevents catastrophic failure from undetected tail‑scrape damage; work must be completed by 13 January 2002. The amendment expands the original 1996 requirement (which covered only frames 68–69) to add frames 65–67."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-65-amdt-2-fuselage-reinforcement-section-18","history":"/api/acts/ad-a320-65-amdt-2-fuselage-reinforcement-section-18/history","analysis":"/api/acts/ad-a320-65-amdt-2-fuselage-reinforcement-section-18/analysis","conflicts":"/api/acts/ad-a320-65-amdt-2-fuselage-reinforcement-section-18/conflicts","importantCases":"/api/acts/ad-a320-65-amdt-2-fuselage-reinforcement-section-18/important-cases","documents":"/api/acts/ad-a320-65-amdt-2-fuselage-reinforcement-section-18/documents"}}