{"id":"F2007L00655","name":"AD/ROTAX/23 - Engine Driven Fuel Pump","slug":"ad-rotax-23-engine-driven-fuel-pump","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":64147,"registerId":"commonwealth-F2007L00655-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Rotax Piston Engines","sectionType":"division","heading":"Rotax Piston Engines","content":"### Rotax Piston Engines\n\n| AD/ROTAX/23 | Engine Driven Fuel Pump | 5/2007 TX |\n| ----------- | ----------------------- | --------- |\n\n| Applicability: | BRP-Rotax GmbH & Co. KG, Bombardier-Rotax GmbH & Co. KG and Bombardier-Rotax GmbH Rotax 912 A, 912 F and 912 S engines fitted with fuel pump part no. 892230, 892232, 892540 (standard version) or part no. 892235, 892236, 892545 (version including flexible fuel line).                                                            |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Replace fuel pumps with Part Number (P/N) 892230, 892232 and 892540 byP/N 892542 or replace fuel pumps with P/N 892235, 892236 and 892545 byP/N 892546.2. Do not install fuel pumps with P/N 892230, 892232, 892540, 892235, 892236 or 892545 onto any aircraft.Note: EASA Emergency AD 2007-0060-E dated 7 March 2007 refers.     |\n| Compliance:    | 1. At the next maintenance event, or within the next 25 hours of engine operation, but not later than 1 July 2007, whichever occurs first after the effective date of this AD.2. From the effective date of this AD.                                                                                                                  |\n|                | This Airworthiness Directive becomes effective on 16 March 2007.                                                                                                                                                                                                                                                                      |\n| Background:    | It has been established that under certain circumstances (e.g. due to an electrical fuel pump problem) higher fuel pressures than expected can develop in the mechanical pump. This can result in engine malfunction and/or massive fuel leakage. The requirements of this AD are intended to remove certain fuel pumps from service. |\n\n![](image.001.png)  \nCharles Lenarcic  \nDelegate of the Civil Aviation Safety Authority\n\n13 March 2007","sortOrder":0},{"sectionNumber":"AD/ROTAX/23","sectionType":"part","heading":"AD/ROTAX/23","content":"## AD/ROTAX/23","sortOrder":1},{"sectionNumber":"Engine Driven Fuel Pump","sectionType":"part","heading":"Engine Driven Fuel Pump","content":"## Engine Driven Fuel Pump","sortOrder":2},{"sectionNumber":"5/2007 TX","sectionType":"part","heading":"5/2007 TX","content":"## 5/2007 TX","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 targeted safety directive addressing a specific mechanical defect in identified engine models. The scope remains precisely limited to fuel pump replacement on affected Rotax engines, consistent with the typical purpose of an Airworthiness Directive."},"complexity_factors":["Single, specific technical subject matter (fuel pump replacement)","Only 6 part numbers to identify, with clear replacement mapping","Simple two-part requirement structure (replacement + prohibition)","Straightforward compliance timeline with three alternative triggers","No cross-references to other legislation (only a note about related EASA directive)","No defined terms section — part numbers are self-explanatory","Single background paragraph explaining the safety risk"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of aircraft with Rotax 912 A, 912 F, and 912 S engines to replace specific faulty fuel pumps (P/N 892230, 892232, 892540, 892235, 892236, 892545) with approved models (P/N 892542 or 892546) and bans installation of the old pumps from 16 March 2007. It’s mandated because the old pumps can over-pressurise, risking engine failure or major fuel leaks; replacements must occur by the next maintenance check, within 25 flight hours, or by 1 July 2007."},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The AD confines action to specified pump part numbers on Rotax 912 A/F/S engines and mandates replacement and an installation ban; this matches the document's stated safety objective and does not broaden scope beyond those engines, parts or the short compliance window (Applicability; Requirement; Compliance; Background)."},"complexity_factors":["Narrow technical scope limited to Rotax 912 A/F/S engines reduces legal breadth (Applicability).","Multiple specific part numbers to be replaced and specific replacement part numbers require precise parts control (Requirement).","Short, tiered compliance window (next maintenance event OR within 25 engine hours OR by a fixed date) creates operational urgency and scheduling complexity (Compliance).","Immediate installation prohibition on listed part numbers adds ongoing compliance monitoring for maintenance organisations (Requirement).","Safety‑critical context raises enforcement stakes but not procedural complexity — actions are straightforward replacements (Background).","Reference to an external EASA Emergency AD adds an inter‑jurisdictional compliance cross‑check (Requirement/Note)."],"plain_english_summary":"This Airworthiness Directive orders owners/operators of aircraft with Rotax 912 A, 912 F or 912 S engines fitted with specified engine‑driven fuel pumps to replace listed part numbers with designated replacement part numbers and forbids reinstalling the old pumps. Costs, parts sourcing and labour fall to the aircraft owner/operator. (Applicability; Requirement)\n\nThe AD says higher-than-expected pressures in the mechanical pump can cause engine malfunction or major fuel leakage and gives a short compliance window (next maintenance, within 25 engine hours, or by 1 July 2007). (Background; Compliance)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-rotax-23-engine-driven-fuel-pump","history":"/api/acts/ad-rotax-23-engine-driven-fuel-pump/history","analysis":"/api/acts/ad-rotax-23-engine-driven-fuel-pump/analysis","conflicts":"/api/acts/ad-rotax-23-engine-driven-fuel-pump/conflicts","importantCases":"/api/acts/ad-rotax-23-engine-driven-fuel-pump/important-cases","documents":"/api/acts/ad-rotax-23-engine-driven-fuel-pump/documents"}}