{"id":"F2007L01563","name":"AD/A330/74 - Fuselage Longitudinal Joint at Stringer 28 RH","slug":"ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":66067,"registerId":"commonwealth-F2007L01563-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Airbus Industrie A330 Series Aeroplanes","sectionType":"division","heading":"Airbus Industrie A330 Series Aeroplanes","content":"### Airbus Industrie A330 Series Aeroplanes\n\n| AD/A330/74 | Fuselage Longitudinal Joint at Stringer 28 RH | 7/2007 |\n| ---------- | --------------------------------------------- | ------ |\n\n| Applicability: | All Model A330-200 and A330-300 series aircraft, with serial numbers up to and including MSN 0402; except MSN 051.                                                                                                                                                                                                                                                         |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of EASA AD 2007-0125.Note: Airbus Service Bulletin A330-53-3170 original issue, or later EASA approved revision, refers.                                                                                                                                                                                                        |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of5 July 2007.                                                                                                                                                                                                                                                                                     |\n|                | This Airworthiness Directive becomes effective on 5 July 2007.                                                                                                                                                                                                                                                                                                             |\n| Background:    | A report was received of a ground inspection of a Model A340 aircraft which revealed five missing fasteners between Frame FR18 and FR19 on longitudinal joint at stringer 28RH. Investigation revealed the missing fasteners were not installed in production due to incorrect instructions. If not corrected, the structural integrity of the aircraft could be affected. |\n\n![](image.001.png)  \nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n16 May 2007","sortOrder":0},{"sectionNumber":"AD/A330/74","sectionType":"part","heading":"AD/A330/74","content":"## AD/A330/74","sortOrder":1},{"sectionNumber":"Fuselage Longitudinal Joint at Stringer ","sectionType":"part","heading":"Fuselage Longitudinal Joint at Stringer 28 RH","content":"## Fuselage Longitudinal Joint at Stringer 28 RH","sortOrder":2},{"sectionNumber":"7/2007","sectionType":"part","heading":"7/2007","content":"## 7/2007","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive addressing a specific manufacturing defect in a specific aircraft model. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (approximately 200 words of substantive content)","Only 1 defined term implicitly used (MSN — Manufacturer Serial Number)","No nested conditional logic or exceptions beyond a single serial number exclusion","Single cross-reference to external technical document (EASA AD 2007-0125)","Clear, direct imperative language ('Action in accordance with...')","No internal legislative cross-references or interpretive provisions"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspection and repair of a manufacturing defect on the right-side fuselage of certain Airbus A330-200/-300s (MSN up to 0402, except MSN 051), where five fasteners were omitted at Stringer 28 between FR18–FR19. It affects operators, owners and maintainers; the issue is structurally critical, compliance with EASA AD 2007-0125 and Airbus SB A330-53-3170 is mandatory from 5 July 2007."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This AD adopts EASA AD 2007-0125 requirements for a defined subset of A330 serial numbers and does not expand obligations beyond those referenced documents. It narrows application to specific serials (with one exclusion) and requires compliance with the external Requirement and Service Bulletin; no additional categories of aircraft or new defect types are introduced."},"complexity_factors":["Cross-reference to external mandated document (EASA AD 2007-0125) and an Airbus Service Bulletin (A330-53-3170), requiring users to consult other texts for full actions.","Narrow applicability defined by serial-number range with an explicit exception (up to and including MSN 0402; except MSN 051), which adds tracking and record-checking burden.","Technical specificity of the defect location (longitudinal joint at stringer 28 RH between frames FR18 and FR19) requiring targeted inspection by qualified maintenance personnel.","Compliance mechanics left to the referenced Requirement document and SB (including ‘original issue or later EASA approved revision’), creating potential discretion about which revision applies.","Safety-critical nature increases urgency and potential operational impacts (grounding, repair time, parts/labour costs) for affected operators.","Revised effective date and formal CASA adoption steps introduce administrative coordination (timing of actions vs. amendment revisions)."],"plain_english_summary":"This Airworthiness Directive requires operators of certain Airbus A330-200 and A330-300 aircraft (serial numbers up to and including MSN 0402, except MSN 051) to carry out inspections and corrective work specified in EASA AD 2007-0125 and Airbus Service Bulletin A330-53-3170 to ensure fasteners are present at the fuselage longitudinal joint at stringer 28 RH. It matters because five fasteners were found missing in production between frames FR18 and FR19, and missing fasteners could affect the aircraft's structural integrity; operators and maintenance organisations must pay and act."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh","history":"/api/acts/ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh/history","analysis":"/api/acts/ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh/analysis","conflicts":"/api/acts/ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh/conflicts","importantCases":"/api/acts/ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh/important-cases","documents":"/api/acts/ad-a330-74-fuselage-longitudinal-joint-at-stringer-28-rh/documents"}}