{"id":"F2006B02692","name":"AD/B727/169 - Mid-Galley Door Hinge Cutout","slug":"ad-b727-169-mid-galley-door-hinge-cutout","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42008,"registerId":"commonwealth-F2006B02692-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\n![](image.002.png)  \nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.","sortOrder":0},{"sectionNumber":"AD/B727/169 Mid-Galley Door Hinge Cutout","sectionType":"part","heading":"AD/B727/169 Mid-Galley Door Hinge Cutout 7/2000","content":"# AD/B727/169 Mid-Galley Door Hinge Cutout 7/2000\n\nApplicability: Model 727 and 727C series aircraft, line numbers 153, 290, and 339. Requirement: Inspect and modify in accordance with the technical requirements of FAA AD\n\n2000-08-19 Amdt 39-11705.\n\nNote: Boeing Service Bulletin 727-53-0054 Revision 1 refers.\n\nCompliance: As specified in the Requirement document for the inspection and modification requirements, with a revised effective date of 13 July 2000.\n\nThis Airworthiness Directive becomes effective on 13 July 2000.\n\nBackground: The FAA received a report indicating that, during fatigue testing on a Boeing 727 aircraft, a crack was found in the body skin at the lower forward corners of the mid- galley door hinge cutouts. The cracking was due to cabin pressurisation cycles.\n\n![Signature of Bernard Malcolm Hole, Delegate of the Civil Aviation Safety Authority.](image.003.png)  \n\nBernard Malcolm Hole\n\nDelegate of the Civil Aviation Safety Authority 2 June 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 14 June 2000.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard single-issue airworthiness directive addressing a specific safety defect identified during fatigue testing. It has not expanded beyond its original purpose of mandating inspection and repair of the mid-galley door hinge cutout cracking issue."},"complexity_factors":["Very short document (under 300 words)","Only 3 specific aircraft affected (narrow applicability)","Single requirement: inspect and modify per external FAA document","No defined terms section","No nested exceptions or conditional logic","Cross-reference to only one external technical document (FAA AD 2000-08-19)","Straightforward compliance deadline structure"],"plain_english_summary":"The Civil Aviation Safety Authority has ordered owners/operators of three specific Boeing 727/727C airframes (line numbers 153, 290, 339) to inspect and, if necessary, modify the fuselage skin around the mid‑galley door hinge cutouts for cracking caused by pressurisation cycles. Work must follow FAA AD 2000‑08‑19 and Boeing Service Bulletin 727‑53‑0054 Rev 1; the order took effect 13 July 2000 to prevent structural failure and possible rapid decompression."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD adopts and enforces the FAA AD's inspection and modification requirements for the specified Boeing 727/727C line numbers. The instrument does not indicate any expansion or narrowing of applicability or requirements beyond the FAA AD and the referenced Boeing service bulletin."},"complexity_factors":["Direct reliance on external technical documents (FAA AD 2000-08-19 and Boeing Service Bulletin 727‑53‑0054 Rev 1) which carry the detailed inspection/modification instructions","Narrow applicability limited to specific aircraft models and line numbers (727/727C line numbers 153, 290, 339)","Compliance timing and legal effect are set by the AD (effective 13 July 2000), creating a hard deadline for operators","Legal basis delegated under CAR 1998 subreg 39.1(1) — discretionary regulatory issuance by CASA delegate","Technical content (fatigue cracking and structural repair) is specialist and depends on engineering implementation in referenced documents"],"plain_english_summary":"This Airworthiness Directive requires operators of Boeing 727 and 727C aircraft (line numbers 153, 290 and 339) to inspect and modify the mid‑galley door hinge cutouts in accordance with FAA AD 2000‑08‑19 and Boeing Service Bulletin 727‑53‑0054 Rev 1 because fatigue testing found cracking from pressurisation cycles. Compliance is mandatory from 13 July 2000; the CASA delegate issued the AD under CAR 1998 subreg 39.1(1), so operators must follow the FAA/Boeing technical instructions and bear the cost and effort of inspection and modification. (Applicability; Requirement; Compliance; Background)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-b727-169-mid-galley-door-hinge-cutout","history":"/api/acts/ad-b727-169-mid-galley-door-hinge-cutout/history","analysis":"/api/acts/ad-b727-169-mid-galley-door-hinge-cutout/analysis","conflicts":"/api/acts/ad-b727-169-mid-galley-door-hinge-cutout/conflicts","importantCases":"/api/acts/ad-b727-169-mid-galley-door-hinge-cutout/important-cases","documents":"/api/acts/ad-b727-169-mid-galley-door-hinge-cutout/documents"}}