{"id":"F2005L00584","name":"AD/B767/208 - Nose Wheel Well Bulkhead Vertical Chords","slug":"ad-b767-208-nose-wheel-well-bulkhead-vertical-chords","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":112823,"registerId":"commonwealth-F2005L00584-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Boeing 767 Series Aeroplanes","sectionType":"division","heading":"Boeing 767 Series Aeroplanes","content":"### Boeing 767 Series Aeroplanes\n\n| AD/B767/208 | Nose Wheel Well Bulkhead Vertical Chords | 4/2005 |\n| ----------- | ---------------------------------------- | ------ |\n\n| Applicability: | Model 767-200, -300, and -300F series aircraft, as listed in Boeing Alert Service Bulletin 767-53A0113, dated 26 February 2004, or later FAA approved revision.                                                                                                                                                                                                 |\n| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the technical requirements of FAA AD 2005-02-02 Amdt 39-13947.                                                                                                                                                                                                                                                                        |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of 14 April 2005.                                                                                                                                                                                                                                                                       |\n|                | This Airworthiness Directive becomes effective on 14 April 2005.                                                                                                                                                                                                                                                                                                |\n| Background:    | The FAA received reports of cracks in the fillet radii of the left and right butt line (BL) 25 vertical chords common to the nose wheel well bulkhead at station 287. Cracks in the left and right BL 25 vertical chords, unless detected and corrected, could grow downward into a critical area that serves as a primary load path for the nose landing gear. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n2 March 2005","sortOrder":0},{"sectionNumber":"AD/B767/208","sectionType":"part","heading":"AD/B767/208","content":"## AD/B767/208","sortOrder":1},{"sectionNumber":"Nose Wheel Well Bulkhead Vertical Chords","sectionType":"part","heading":"Nose Wheel Well Bulkhead Vertical Chords","content":"## Nose Wheel Well Bulkhead Vertical Chords","sortOrder":2},{"sectionNumber":"4/2005","sectionType":"part","heading":"4/2005","content":"## 4/2005","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive with a narrow, specific safety purpose — addressing a known structural defect in a particular aircraft component. The scope remains tightly focused on the nose wheel well bulkhead issue as originally identified."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term implicitly referenced (the Boeing Service Bulletin)","Single compliance requirement: follow the external FAA directive","No nested exceptions or conditional logic","No internal cross-references to other Australian legislation","Straightforward applicability test (specific aircraft models only)"],"plain_english_summary":"This AD makes it mandatory in Australia for operators of certain Boeing 767-200/300/300F aircraft to inspect and repair cracks in the nose wheel well bulkhead vertical chords — load-bearing supports near the nose landing gear — after FAA findings that cracking can threaten structural integrity during landing. \n\nIt adopts FAA AD 2005-02-02 (per Boeing Alert Service Bulletin 767-53A0113) into Australian law, with compliance required by 14 April 2005."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This AD adopts the technical requirements of FAA AD 2005-02-02 for the Boeing 767-200/-300/-300F aircraft identified in Boeing Alert Service Bulletin 767-53A0113 and sets an effective date of 14 April 2005. It does not expand applicability beyond the models listed in the service bulletin or introduce additional measures beyond the FAA-prescribed inspections and corrective actions (Applicability; Requirement; Compliance)."},"complexity_factors":["Cross-reference to an externally issued FAA AD (Requirement) — compliance requires following another regulator's mandated technical actions.","Applicability tied to a specific Boeing Alert Service Bulletin list (Applicability) — operators must confirm fleet inclusion using that document.","Technical inspections and corrective actions are engineering tasks (Background/Requirement) — necessitate qualified maintenance, parts and possible downtime.","Operators bear direct costs and scheduling burden (Requirement/Compliance) — inspections/repairs and records are their responsibility.","Fixed, near-term effective date (Compliance) — limits scheduling flexibility and may concentrate work demand.","Potential for later FAA-approved revisions (Applicability) — requires monitoring for updated service bulletin or AD amendments.","Limited administrative discretion visible in the text (Requirement/Compliance) — the AD prescribes following the FAA AD rather than providing CASA-specific alternatives."],"plain_english_summary":"Requires operators of Boeing 767-200, -300 and -300F aeroplanes listed in Boeing Alert Service Bulletin 767-53A0113 to carry out inspections and any necessary repairs of the nose wheel well BL25 vertical chords in line with FAA AD 2005-02-02. Effective 14 April 2005. The directive responds to reported cracks in fillet radii that could grow into a primary load path for the nose landing gear, imposing inspection, repair and recordkeeping obligations on aircraft owners/operators."},"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-b767-208-nose-wheel-well-bulkhead-vertical-chords","history":"/api/acts/ad-b767-208-nose-wheel-well-bulkhead-vertical-chords/history","analysis":"/api/acts/ad-b767-208-nose-wheel-well-bulkhead-vertical-chords/analysis","conflicts":"/api/acts/ad-b767-208-nose-wheel-well-bulkhead-vertical-chords/conflicts","importantCases":"/api/acts/ad-b767-208-nose-wheel-well-bulkhead-vertical-chords/important-cases","documents":"/api/acts/ad-b767-208-nose-wheel-well-bulkhead-vertical-chords/documents"}}