{"id":"F2006B03260","name":"AD/B747/82 Amdt 2 - Main Deck Cargo Compartment","slug":"ad-b747-82-amdt-2-main-deck-cargo-compartment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42684,"registerId":"commonwealth-F2006B03260-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B747/82 Amdt 2 - Main Deck Cargo Compartment","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)  \nBoeing 747 Series Aeroplanes\n\nAD/B747/82\n\nAmdt 2\n\n  \nMain Deck Cargo Compartment 8/93\n\nApplicability: Model 747 equipped with a main deck class B cargo compartment with a volume exceeding 5.66 cubic metres (200 cubic feet).\n\nRequirement: Unless previously accomplished, action in accordance with the technical requirements of FAA AD 93-07-15 Amdt 39-8547.\n\nCompliance: As specified in the Requirement Document with a revised effective date of 22 July 1993 for Australian registered aircraft.\n\nBackground: Following the loss of a Boeing model 747-200 “Combi” aircraft that developed a major fire in the main deck cargo compartment, the FAA carried out an evaluation of fire protection requirements of such aircraft. The conclusion indicated that the fire protection requirements for class B cargo compartments are inadequate.\n\nAmendment 1 was raised to apply FAA AD 91-10-02 which superseded AD 89-18- 12R1 and provides some relief from the previous requirements.\n\nAmendment 2 is raised to apply FAA AD 93-07-15 which supersedes AD 91-10-02.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope of addressing fire safety in Boeing 747 main deck cargo compartments. While it updates the specific technical requirements by referencing a newer FAA directive (progressing from AD 89-18-12R1 to AD 91-10-02 to AD 93-07-15), the fundamental purpose—improving fire protection in Class B cargo compartments—remains unchanged. The amendment represents iterative refinement rather than scope expansion."},"complexity_factors":["Very short document (approximately 200 words)","Only 4 defined structural elements (Applicability, Requirement, Compliance, Background)","Single cross-reference to external FAA directive (AD 93-07-15)","No nested conditions or exceptions within the text itself","Simple linear structure with clear effective date","Technical complexity is outsourced to the referenced FAA document"],"plain_english_summary":"This Airworthiness Directive orders owners/operators of Australian-registered Boeing 747s with Class B main-deck cargo compartments larger than 5.66 m³ (200 cu ft) to carry out upgraded fire-protection modifications by 22 July 1993, by meeting the requirements of FAA AD 93-07-15. It follows the destruction of a 747-200 Combi by main-deck fire and tightens cargo-compartment fire safety. This is Amendment 2, replacing earlier versions with stricter standards."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 2 replaces the prior Australian adoption (Amendment 1) of FAA AD 91-10-02 by applying FAA AD 93-07-15, which the text says supersedes the earlier FAA AD. This alters the specific technical requirements Australian operators must meet and sets a revised Australian effective date of 22 July 1993 (Requirement; Background)."},"complexity_factors":["Cross-reference to a foreign regulatory instrument (FAA AD 93-07-15) rather than full text inclusion, requiring users to obtain and interpret an external document (Requirement).","Technical nature of mandated measures (inspections/modifications) likely requires specialised maintenance work and certified parts/personnel (Requirement; Background).","Applicability threshold—identifying which 747s have a main-deck class B cargo compartment >5.66 m³—creates fleet-level assessment work (Applicability).","'Unless previously accomplished' language requires operators and regulators to verify historical compliance records (Requirement).","Revised effective date (22 July 1993) fixes compliance timing, imposing scheduling and potential operational downtime choices for operators (Compliance).","Dependence on FAA determination of inadequate fire protection (Background) means Australian obligations track changes in the FAA’s own amendments, creating update/monitoring burden (Background)."],"plain_english_summary":"Requires Boeing 747s with a main-deck class B cargo compartment larger than 5.66 m³ to meet the technical requirements of FAA Airworthiness Directive 93-07-15, adopted for Australian-registered aircraft with an effective date of 22 July 1993 (Applicability; Requirement; Compliance).\n\nAdopted after a fatal main-deck cargo fire, this directive affects operators of the specified 747 models who must carry out the inspections, modifications or procedures in the FAA AD, creating retrofit, verification and downtime costs (Background)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b747-82-amdt-2-main-deck-cargo-compartment","history":"/api/acts/ad-b747-82-amdt-2-main-deck-cargo-compartment/history","analysis":"/api/acts/ad-b747-82-amdt-2-main-deck-cargo-compartment/analysis","conflicts":"/api/acts/ad-b747-82-amdt-2-main-deck-cargo-compartment/conflicts","importantCases":"/api/acts/ad-b747-82-amdt-2-main-deck-cargo-compartment/important-cases","documents":"/api/acts/ad-b747-82-amdt-2-main-deck-cargo-compartment/documents"}}