{"id":"F2006B07192","name":"AD/SWSA226/51 Amdt 1 - Fuel Booster Pump Wiring Harness","slug":"ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114968,"registerId":"commonwealth-F2006B07192-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SWSA226/51 Amdt 1 - Fuel Booster Pump Wiring Harness","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes\n\n \n\n# AD/SWSA226/51\n\nAmdt 1\n\nApplicability: Model:\n\n# Fuel Booster Pump Wiring Harness 7/91\n\n \n\nSA226-T with S/Nos T201 through 275 and 277 through 291. SA226-T (B) with S/Nos T(B)276 and 292 through 417.\n\nSA226-AT with S/Nos AT001 through 074. SA226-TC with S/Nos TC201 through 419.\n\nSA227-TT with S/Nos TT421 through 555 except S/Nos 529 and 536. SA227AT with S/Nos AT 423 through 609.\n\nSA227-AC with S/Nos AC406, 415, 416 and 420 through 616 except S/Nos 612 and\n\n613.\n\n \n\nRequirement: Action in accordance with Fairchild Aircraft Corporation Service Bulletins 226-28- 011 and 227-28-002 as applicable.\n\n \n\nCompliance: The compliance date of the original issue of this Directive was 30 June 1986. This reissue is effective from 11 July 1991.\n\n \n\nBackground:  To preclude the possibility of an electrical short circuit in the fuel booster pump wiring in the area of the fuel hopper tank.\n\n \n\nAmendment 1 to this AD is issued to update the Requirement document.\n\nNote: No additional work is required by this amendment.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2224},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The amendment constitutes an administrative housekeeping update only, revising reference documentation without expanding the substantive safety requirements, changing the applicability to aircraft, or imposing additional compliance obligations beyond those established by the original 1986 directive."},"complexity_factors":["Technical aviation nomenclature (airworthiness directives, service bulletins, hopper tanks) requiring specialized knowledge","Granular applicability matrix covering 7 aircraft variants with specific serial number ranges and explicit exclusions","Incorporation by reference of external technical standards (Service Bulletins 226-28-011 and 227-28-002) not contained within the legislative text","Layered amendment structure with retrospective compliance dates (original 1986, reissue 1991)"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspection and modification of the fuel booster-pump electrical wiring on specified Fairchild Swearingen SA226/SA227 aircraft (certain serial-numbered airframes) to eliminate wiring routed near the fuel hopper. It addresses a risk of electrical shorting that could ignite fuel, causing fire or explosion. This Amendment 1 only updates referenced Service Bulletins; operators who complied with the original AD (due June 1986) need take no further action."}},"importantCases":[],"_links":{"self":"/api/acts/ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness","history":"/api/acts/ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness/history","analysis":"/api/acts/ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness/analysis","conflicts":"/api/acts/ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness/conflicts","importantCases":"/api/acts/ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness/important-cases","documents":"/api/acts/ad-swsa226-51-amdt-1-fuel-booster-pump-wiring-harness/documents"}}