{"id":"F2008L02928","name":"AD/B747/381 - Fwd and Aft Cargo Door Hinge Fasteners","slug":"ad-b747-381-fwd-and-aft-cargo-door-hinge-fasteners","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74856,"registerId":"commonwealth-F2008L02928-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Boeing 747 Series Aeroplanes","sectionType":"division","heading":"Boeing 747 Series Aeroplanes","content":"### Boeing 747 Series Aeroplanes\n\n| AD/B747/381 | Fwd and Aft Cargo Door Hinge Fasteners | 9/2008 |\n| ----------- | -------------------------------------- | ------ |\n\n| Applicability: | All Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D,-400F, 747SR, and 747SP series aircraft.                                                                                                                                                                                                                                                                         |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the technical requirements of FAA AD 2008-14-08 Amdt 39-15603.Note: Boeing Service Bulletin 747-52A2287 Revision 1, or later FAA approved revision, refers.                                                                                                                                                                                                        |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of28 August 2008.                                                                                                                                                                                                                                                                                                    |\n|                | This Airworthiness Directive becomes effective on 28 August 2008.                                                                                                                                                                                                                                                                                                                            |\n| Background:    | The FAA received reports of broken and missing fasteners in the hinges of the forward and aft cargo doors in both the body hinge segments and the door hinge segments. Broken or missing fasteners in the hinge segments with a single fastener row, unless detected and corrected, could lead to opening of the cargo door during flight and result in rapid decompression of the aircraft. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n14 July 2008","sortOrder":0},{"sectionNumber":"AD/B747/381","sectionType":"part","heading":"AD/B747/381","content":"## AD/B747/381","sortOrder":1},{"sectionNumber":"Fwd and Aft Cargo Door Hinge Fasteners","sectionType":"part","heading":"Fwd and Aft Cargo Door Hinge Fasteners","content":"## Fwd and Aft Cargo Door Hinge Fasteners","sortOrder":2},{"sectionNumber":"9/2008","sectionType":"part","heading":"9/2008","content":"## 9/2008","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 safety defect in a specific aircraft type. It has not expanded beyond its original purpose of mandating inspection/repair of cargo door hinge fasteners."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term implicitly used ('fasteners' — understood in aviation context)","No cross-references to other Australian legislation","Simple conditional structure: problem identified → action required → deadline given","Relies entirely on external technical documents (FAA AD and Boeing Service Bulletin) for actual implementation details","No nested exceptions or complex logical operators"],"plain_english_summary":"This AD mandates inspections and repairs of broken or missing hinge fasteners on forward and aft cargo doors of Boeing 747 variants (100 series through 400, plus SR and SP) to prevent in‑flight cargo door opening and resultant rapid decompression. Operators must follow FAA AD 2008-14-08 and Boeing Service Bulletin 747-52A2287 Rev 1; compliance began 28 August 2008."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive adopts the FAA AD requirements for the same set of Boeing 747 models and sets a CASA effective date; it does not expand applicability or add new mandatory work beyond the referenced FAA AD and Boeing service bulletin (Requirement; Applicability; Compliance)."},"complexity_factors":["Cross-reference to external FAA AD and Boeing Service Bulletin creates dependency on non‑Australian documents for technical detail (Requirement: FAA AD 2008‑14‑08; Boeing Service Bulletin 747‑52A2287 Rev 1).","Wide applicability across many 747 variants increases the number of affected operators and maintenance providers (Applicability: all Model 747‑100 through ‑400 variants, 747SR, 747SP).","Technical inspection and corrective actions involve aircraft structural fasteners; tasks likely require certified maintenance personnel and may include part replacement or structural repair (Background: broken and missing fasteners in hinge segments).","Fixed compliance timing and effective date impose an administrative deadline and enforcement point for operators (Compliance: effective 28 August 2008).","Limited prescriptive detail in this instrument (it delegates to FAA AD/Boeing SB) means regulatory clarity depends on those referenced documents (Requirement)."],"plain_english_summary":"Requires operators of the listed Boeing 747 models to carry out inspections and corrective actions for forward and aft cargo‑door hinge fasteners by following FAA Airworthiness Directive 2008‑14‑08 and the Boeing service bulletin cited. Maintenance organisations must inspect and, where necessary, replace or repair hinge fasteners per the technical instructions.\n\nThe measure responds to reports of broken or missing hinge fasteners that could permit a cargo door opening in flight. Aircraft operators bear inspection and repair costs; CASA enforces compliance from 28 August 2008."},"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-b747-381-fwd-and-aft-cargo-door-hinge-fasteners","history":"/api/acts/ad-b747-381-fwd-and-aft-cargo-door-hinge-fasteners/history","analysis":"/api/acts/ad-b747-381-fwd-and-aft-cargo-door-hinge-fasteners/analysis","conflicts":"/api/acts/ad-b747-381-fwd-and-aft-cargo-door-hinge-fasteners/conflicts","importantCases":"/api/acts/ad-b747-381-fwd-and-aft-cargo-door-hinge-fasteners/important-cases","documents":"/api/acts/ad-b747-381-fwd-and-aft-cargo-door-hinge-fasteners/documents"}}