{"id":"F2007L02186","name":"AD/B727/206 - Forward Entry Door Hinge Cutouts","slug":"ad-b727-206-forward-entry-door-hinge-cutouts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":67419,"registerId":"commonwealth-F2007L02186-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Boeing 727 Series Aeroplanes","sectionType":"division","heading":"Boeing 727 Series Aeroplanes","content":"### Boeing 727 Series Aeroplanes\n\n| AD/B727/206 | Forward Entry Door Hinge Cutouts | 8/2007 |\n| ----------- | -------------------------------- | ------ |\n\n| Applicability: | All Model 727, 727C, 727-100, -100C, -200, and -200F series aircraft.                                                                                                                              |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the technical requirements of FAA AD 2007-12-14 Amdt 39-15092.Note: Boeing Service Bulletin 727-53A0198 Revision 3, or later FAA approved revision, refers.              |\n| Compliance:    | As specified in the Requirement document, with a revised effective date of2 August 2007.                                                                                                           |\n|                | This Airworthiness Directive becomes effective on 2 August 2007.                                                                                                                                   |\n| Background:    | The FAA received reports of skin and bear strap cracks at hinge cutouts of the forward entry door. Unless detected and corrected, such cracks could result in rapid decompression of the aircraft. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n19 June 2007","sortOrder":0},{"sectionNumber":"AD/B727/206","sectionType":"part","heading":"AD/B727/206","content":"## AD/B727/206","sortOrder":1},{"sectionNumber":"Forward Entry Door Hinge Cutouts","sectionType":"part","heading":"Forward Entry Door Hinge Cutouts","content":"## Forward Entry Door Hinge Cutouts","sortOrder":2},{"sectionNumber":"8/2007","sectionType":"part","heading":"8/2007","content":"## 8/2007","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive adopting foreign safety requirements. It maintains the narrow, technical scope typical of ADs — addressing a specific structural defect on a specific aircraft type. No scope creep is evident."},"complexity_factors":["Very short document (under 300 words)","Only 1 substantive requirement that references external technical documents","No defined terms section — relies entirely on incorporated FAA and Boeing documents","Simple structure: applicability, requirement, compliance date, background","No conditional logic or nested exceptions within the instrument itself"],"plain_english_summary":"This AD requires operators of Boeing 727 series aircraft to inspect and repair cracks at the forward entry door hinge cutouts to prevent possible rapid decompression. It mandates compliance with FAA AD 2007-12-14 and Boeing Service Bulletin 727-53A0198 (Rev 3 or later); it affects 727, 727C, 727-100, -100C, -200 and -200F models and took effect 2 August 2007."},"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"},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The document does not show a change to the technical scope of the directive: it applies to the same list of Boeing 727 variants and mandates actions per the referenced FAA AD and Boeing Service Bulletin. The only modification noted in the text is a revised effective date of 2 August 2007 (Compliance)."},"complexity_factors":["Cross-reference to external FAA Airworthiness Directive and Boeing Service Bulletin creates reliance on another regulator's technical requirements (Requirement).","Wide applicability across all listed 727 variants increases the number of affected operators (Applicability).","Safety-critical inspection/repair tasks tied to risk of rapid decompression add operational urgency and potential grounding time (Background).","Revised effective date and stated compliance timing impose scheduling and administrative burdens on operators (Compliance).","Costs and labour for inspections/repairs fall to aircraft owners/operators, shifting economic impact to the private sector (Requirement/Compliance).","Regulatory implementation signalled by CASA delegate indicates enforcement through the national regulator (signature line)."],"plain_english_summary":"**What it does:** Requires inspections and any needed repairs to the forward entry door hinge cutouts on all Boeing 727-series aeroplanes by following FAA AD 2007-12-14 and Boeing Service Bulletin 727-53A0198 Rev 3 (Requirement). It affects aircraft owners/operators, who must carry out and pay for the inspections/repairs and absorb related downtime. The Directive became effective 2 August 2007. Background reports identify skin and bear‑strap cracking at hinge cutouts that could cause rapid decompression (Background)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b727-206-forward-entry-door-hinge-cutouts","history":"/api/acts/ad-b727-206-forward-entry-door-hinge-cutouts/history","analysis":"/api/acts/ad-b727-206-forward-entry-door-hinge-cutouts/analysis","conflicts":"/api/acts/ad-b727-206-forward-entry-door-hinge-cutouts/conflicts","importantCases":"/api/acts/ad-b727-206-forward-entry-door-hinge-cutouts/important-cases","documents":"/api/acts/ad-b727-206-forward-entry-door-hinge-cutouts/documents"}}