{"id":"F2006B02657","name":"AD/B727/135 Amdt 1 - Main Deck Cargo Compartment","slug":"ad-b727-135-amdt-1-main-deck-cargo-compartment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41973,"registerId":"commonwealth-F2006B02657-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B727/135 Amdt 1 - Main Deck Cargo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 727 Series Aeroplanes\n\nAD/B727/135\n\nAmdt 1\n\n  \nMain Deck Cargo Compartment 8/93\n\nApplicability: Model 727 equipped with a main deck class B cargo compartment with a volume exceeding 5.66 cubic metres (200 cubic feet).\n\nRequirement: Action IAW the technical requirements of FAA AD 93-07-15 Amdt 39-8547. Compliance: As specified in the Requirement Document with a revised effective date of 22 July\n\n1993 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 has been raised to apply FAA AD 93-07-15 which supersedes AD 91-10-02.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1939},"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"The amendment updates the incorporated technical requirements to reference FAA AD 93-07-15 (superseding AD 91-10-02), but the scope remains unchanged—limited to fire protection requirements for main deck Class B cargo compartments on applicable Boeing 727 aircraft."},"complexity_factors":["Requires compliance with external FAA technical document (AD 93-07-15) without reproducing its detailed contents","Technical aviation terminology requiring specialist knowledge (Class B cargo compartment, combi aircraft configuration)","Amendment structure that references superseded directives (AD 91-10-02)","Specific volumetric and equipment applicability threshold (5.66 cubic metres/200 cubic feet)","Dual jurisdictional requirements (Australian effective date vs FAA original compliance dates)"],"plain_english_summary":"This rule requires owners/operators of Boeing 727s with large Class B main-deck cargo compartments (over 200 cu ft) to upgrade fire detection and suppression to meet FAA AD 93-07-15, with Australian-registered aircraft due by 22 July 1993. It implements stronger standards after a fatal 747 combi main-deck fire showed existing Class B protections were inadequate, and it replaces the earlier Australian directive AD 91-10-02."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b727-135-amdt-1-main-deck-cargo-compartment","history":"/api/acts/ad-b727-135-amdt-1-main-deck-cargo-compartment/history","analysis":"/api/acts/ad-b727-135-amdt-1-main-deck-cargo-compartment/analysis","conflicts":"/api/acts/ad-b727-135-amdt-1-main-deck-cargo-compartment/conflicts","importantCases":"/api/acts/ad-b727-135-amdt-1-main-deck-cargo-compartment/important-cases","documents":"/api/acts/ad-b727-135-amdt-1-main-deck-cargo-compartment/documents"}}