{"id":"F2007L02355","name":"AD/B717/23 - Fuel Boost Pump Container","slug":"ad-b717-23-fuel-boost-pump-container","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":67683,"registerId":"commonwealth-F2007L02355-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Boeing 717 Series Aeroplanes","sectionType":"division","heading":"Boeing 717 Series Aeroplanes","content":"### Boeing 717 Series Aeroplanes\n\n| AD/B717/23 | Fuel Boost Pump Container | 9/2007 |\n| ---------- | ------------------------- | ------ |\n\n| Applicability: | McDonnell Douglas Model 717-200 aeroplanes as identified in Boeing Service Bulletin 717-28-0013, Revision 2, dated 13 September 2006.                                                                                                                                                                                                                                                                                                                                                                                                                            |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Modify the fuel boost pump container of the centre tank by doing all the actions specified in the Accomplishment Instructions of Boeing Service Bulletin717-28-0013, Revision 2.Modifications accomplished before the effective date of this AD in accordance with Boeing Service Bulletin 717-28-0013, dated 28 July 2004; or Boeing Service Bulletin 717-28-0013, Revision 1, dated 7 April 2006; are considered acceptable for compliance with the corresponding action specified in this AD.Note: FAA AD 2007-13-09 Amdt 39-15113 dated 13 June 2007 refers. |\n| Compliance:    | Within 78 months after the effective date of this AD, unless previously accomplished.                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |\n|                | This Airworthiness Directive becomes effective on 30 August 2007.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |\n| Background:    | This AD results from fuel system reviews (SFAR 88) conducted by the manufacturer. The issuing of this AD is intended to prevent exposing the fuel pump container vapour area to electrical arcing during a fuel pump motor case or connector burn through, which could result in a fuel tank explosion.                                                                                                                                                                                                                                                          |\n\n![](image.001.png)  \nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n9 July 2007","sortOrder":0},{"sectionNumber":"AD/B717/23","sectionType":"part","heading":"AD/B717/23","content":"## AD/B717/23","sortOrder":1},{"sectionNumber":"Fuel Boost Pump Container","sectionType":"part","heading":"Fuel Boost Pump Container","content":"## Fuel Boost Pump Container","sortOrder":2},{"sectionNumber":"9/2007","sectionType":"part","heading":"9/2007","content":"## 9/2007","sortOrder":3}],"analysis":{"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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrowly-targeted airworthiness directive. Its scope remains precisely limited to the specific fuel system safety modification identified in the SFAR 88 fuel system review process. There is no evidence of scope creep or expansion beyond the original safety purpose."},"complexity_factors":["Very short document (approximately 250 words of substantive content)","Only 1 defined term implicitly referenced (SFAR 88 — explained in background)","Single, clear compliance pathway: follow the Boeing Service Bulletin","No nested exceptions or conditional logic — only one straightforward grandfathering clause for prior modifications","No cross-references to other legislation beyond a note about the corresponding FAA AD","Single applicability criterion (specific aircraft model and service bulletin)","Simple temporal compliance structure (fixed deadline from effective date)"],"plain_english_summary":"This CASA Airworthiness Directive mandates modification of the centre fuel boost pump container on specified McDonnell Douglas/Boeing 717-200s to eliminate the risk of electrical arcing (and possible fuel‑tank explosion) from an overheated pump motor or connector. It affects operators covered by Boeing Service Bulletin 717‑28‑0013, Revision 2, takes effect 30 Aug 2007, and must be done within 78 months; earlier fixes done per the July 2004 or Apr 2006 SBs are acceptable."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope aligns with the stated origin (fuel system reviews under SFAR 88) and is limited to specified 717-200 aeroplanes requiring a defined modification to the centre tank fuel boost pump container. The AD accepts prior compliance under earlier service bulletin revisions but does not expand applicability or introduce new categories beyond the aircraft identified (Applicability; Requirement; Background)."},"complexity_factors":["Narrow applicability: applies only to McDonnell Douglas Model 717-200 aeroplanes identified in Boeing Service Bulletin 717-28-0013, Revision 2 (Applicability).","Single technical action required: work is defined by the Accomplishment Instructions of the service bulletin, so compliance is procedural but technical (Requirement).","Multiple acceptable compliance paths: earlier modifications done per prior service bulletin revisions are explicitly accepted, adding some interpretation for maintenance records (Requirement: earlier SBs dated 28 July 2004 and 7 April 2006 accepted).","Long statutory compliance window (78 months) affects maintenance scheduling and cost‑timing trade-offs for operators (Compliance).","Cross‑reference to related regulatory material: ties to SFAR 88 fuel system reviews and FAA AD 2007-13-09, which may affect documentation and coordination across regulators (Background; Note).","Implementation requires certified maintenance actions and likely parts/labour costs borne by operators; the AD specifies the method but not funding or parts provision (Requirement; Compliance)."],"plain_english_summary":"This Airworthiness Directive requires operators of specified McDonnell Douglas/Boeing 717‑200 aircraft to modify the centre‑tank fuel boost pump container exactly as set out in Boeing Service Bulletin 717‑28‑0013 (Revision 2). The measure aims to prevent electrical arcing from reaching the fuel tank vapour area (a potential ignition/explosion risk); affected operators must complete the modification within 78 months of the AD’s effective date (30 August 2007)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b717-23-fuel-boost-pump-container","history":"/api/acts/ad-b717-23-fuel-boost-pump-container/history","analysis":"/api/acts/ad-b717-23-fuel-boost-pump-container/analysis","conflicts":"/api/acts/ad-b717-23-fuel-boost-pump-container/conflicts","importantCases":"/api/acts/ad-b717-23-fuel-boost-pump-container/important-cases","documents":"/api/acts/ad-b717-23-fuel-boost-pump-container/documents"}}