{"id":"F2009L01976","name":"AD/B717/32 - Auxiliary Hydraulic Pump Electrical Wiring","slug":"ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":79183,"registerId":"commonwealth-F2009L01976-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/B717/32 | Auxiliary Hydraulic Pump Electrical Wiring | 6/2009 |\n| ---------- | ------------------------------------------ | ------ |\n\n| Applicability: | Model 717-200 aeroplanes, as identified in Boeing Alert Service Bulletin (ASB)717-29A0009, dated 31 July 2008.                                                                                                                                                                                                                                                                                                                                                                                                 |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Unless already accomplished, modify the wire installation of the auxiliary hydraulic pump in the right wheel well of the MLG by doing all the applicable actions specified in the Accomplishment Instructions of ASB 717-29A0009.                                                                                                                                                                                                                                                                              |\n|                | Later revisions of the above ASB, approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2009-07-07, are considered acceptable for compliance with the equivalent Requirements of this Directive.                                                                                                                                                                                                                                           |\n|                | Note: FAA AD 2009-07-07 Amdt 39-15866 refers.                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |\n| Compliance:    | Within 60 months after the effective date of this Directive.                                                                                                                                                                                                                                                                                                                                                                                                                                                   |\n|                | This Airworthiness Directive becomes effective on 4 June 2009.                                                                                                                                                                                                                                                                                                                                                                                                                                                 |\n| Background:    | This Directive results from fuel system reviews conducted by the manufacturer. The Directive is issued to prevent a tyre burst, when the main landing gear (MLG) is in the retracted position, from causing damage to the wire assembly of the auxiliary hydraulic pump and subsequent electrical arcing, creating the potential of an ignition source to the centre wing tank, which, in combination with flammable fuel vapours, could result in a fuel tank explosion and consequent loss of the aeroplane. |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n17 April 2009","sortOrder":0},{"sectionNumber":"AD/B717/32","sectionType":"part","heading":"AD/B717/32","content":"## AD/B717/32","sortOrder":1},{"sectionNumber":"Auxiliary Hydraulic Pump Electrical Wiri","sectionType":"part","heading":"Auxiliary Hydraulic Pump Electrical Wiring","content":"## Auxiliary Hydraulic Pump Electrical Wiring","sortOrder":2},{"sectionNumber":"6/2009","sectionType":"part","heading":"6/2009","content":"## 6/2009","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope — addressing a specific wiring vulnerability in a specific aircraft type. There is no evidence of scope creep; it remains tightly focused on the auxiliary hydraulic pump wiring modification as originally identified in the manufacturer's fuel system safety review."},"complexity_factors":["Single, specific technical requirement (modify one wiring system)","Only one defined document reference (Boeing ASB 717-29A0009)","Simple compliance timeline (single deadline of 60 months)","Limited applicability (one specific aircraft model)","No nested exceptions or conditional logic","Cross-reference to one equivalent US FAA directive only","Total length is approximately 200 words of substantive content"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of Boeing 717-200s identified in Boeing Alert Service Bulletin 717-29A0009 to modify the electrical wiring of the auxiliary hydraulic pump in the right wheel well.  \n\nThe change prevents wiring damage from tyre debris that could cause arcing and ignite centre wing tank fuel vapours. The work must be done within 60 months of 4 June 2009; FAA‑approved alternative methods are acceptable."},"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":3,"scope_assessment":{"changed":false,"description":"Scope remains a targeted airworthiness directive for Model 717-200 aeroplanes identified in ASB 717-29A0009, requiring modification of auxiliary hydraulic pump wiring to mitigate ignition risk (Applicability; Requirement; Background). The Directive permits FAA-approved later ASB revisions as acceptable compliance routes, but does not broaden applicability beyond the ASB-identified aircraft (Requirement)."},"complexity_factors":["Targeted technical retrofit of wiring in a confined location of the airframe — requires aircraft maintenance resources and technical competence (Requirement).","Dependence on an external service bulletin (ASB 717-29A0009) for the detailed instructions — compliance requires reference to and execution of that document (Requirement, Applicability).","Allowance for later ASB revisions approved by the FAA as Alternate Methods of Compliance (AMOC) introduces inter-jurisdictional coordination and document-version control (Requirement).","Relatively long compliance window (60 months) reduces urgency but requires long-term maintenance planning and tracking across fleet schedules (Compliance).","Applicability limited to specific serials/models identified in the ASB constrains scope but requires operators to check the ASB to determine affected aircraft (Applicability)."],"plain_english_summary":"Requires modification of the auxiliary hydraulic pump electrical wiring in the right main landing-gear wheel well on Boeing 717-200 aeroplanes identified in Boeing Alert Service Bulletin ASB 717-29A0009 (Requirement).\n\nWork must be completed within 60 months of the Directive (Compliance); later ASB revisions approved by the FAA as AMOCs are acceptable. The stated purpose is to prevent tyre-burst damage leading to wiring arcing and possible centre-wing fuel-tank ignition (Background)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring","history":"/api/acts/ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring/history","analysis":"/api/acts/ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring/analysis","conflicts":"/api/acts/ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring/conflicts","importantCases":"/api/acts/ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring/important-cases","documents":"/api/acts/ad-b717-32-auxiliary-hydraulic-pump-electrical-wiring/documents"}}