{"id":"F2008L02127","name":"AD/BR700/12 - Damaged Engine Material","slug":"ad-br700-12-damaged-engine-material","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74355,"registerId":"commonwealth-F2008L02127-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Rolls Royce Germany Turbine Engines - BR","sectionType":"division","heading":"Rolls Royce Germany Turbine Engines - BR700 Series","content":"### Rolls Royce Germany Turbine Engines - BR700 Series\n\n| AD/BR700/12 | Damaged Engine Material | 8/2008 TX |\n| ----------- | ----------------------- | --------- |\n\n| Applicability: | Rolls-Royce Deutschland (RRD) model BR700-710A1-10, BR700-710A2-20 and BR700-710C4-11 engines.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |\n| -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. BR700-710A2-20 engines S/N 12533 and 12534 must not be installed and operated in any aircraft anymore.2. Any parts or components of those individual engines held as spares, including those listed in Rolls-Royce Deutschland Worldwide Communication (WWC) WW/20209/1/30 dated 30 May 2008, must not be installed and operated in any BR700-710 series engine.3. Any BR700-710 series engines, which have parts or components installed that can be traced to having previously been installed in the BR700-710A2-20 engines S/N 12533 and 12534, must not be operated until the relevant parts or components have been exchanged for approved parts or components.All necessary actions must be performed on the basis of the referenced manufacturer WWC.Note: Luftfahrt-Bundesamt (LBA) AD D-2008-222 refers. |\n| Compliance:    | For Requirements 1, 2 and 3: Before further flight after the effective date of this AD.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |\n|                | This Airworthiness Directive becomes effective on 23 June 2008.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |\n| Background:    | The Luftfahrt-Bundesamt has received information from Rolls-Royce Deutschland that BR700-710 series engine material damaged in an aircraft incident may potentially be re-used. The details are provided in RRD Worldwide Communication (WWC) WW/20209/1/30.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n16 June 2008","sortOrder":0},{"sectionNumber":"AD/BR700/12","sectionType":"part","heading":"AD/BR700/12","content":"## AD/BR700/12","sortOrder":1},{"sectionNumber":"Damaged Engine Material","sectionType":"part","heading":"Damaged Engine Material","content":"## Damaged Engine Material","sortOrder":2},{"sectionNumber":"8/2008 TX","sectionType":"part","heading":"8/2008 TX","content":"## 8/2008 TX","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive implements a targeted restriction based on information from Rolls‑Royce Deutschland and the Luftfahrt‑Bundesamt. It confines action to two identified engine serial numbers and any parts traceable to them, and requires replacement with approved parts before further flight. Nothing in the text indicates an expansion or narrowing of that original safety-focused scope beyond those measures."},"complexity_factors":["Narrow, specific applicability: targets two serial-numbered engines (S/N 12533 and 12534), which reduces scope but requires precise asset identification.","Traceability requirement: operators must identify any parts/components previously installed in those two engines, which depends on maintenance records and part-tracking systems.","Replacement obligation: affected engines cannot be flown until parts are exchanged for 'approved parts or components', creating procurement and downtime costs for owners/operators.","Dependence on external documents: necessary actions are to be performed on the basis of Rolls‑Royce Deutschland Worldwide Communication WW/20209/1/30 and cross-references Luftfahrt‑Bundesamt AD D-2008-222, adding administrative steps to obtain and follow those documents.","Tight compliance timing: the directive requires compliance 'before further flight' after the effective date, producing immediate operational impact and potential scheduling pressure."],"plain_english_summary":"This Airworthiness Directive prohibits operation or installation of two specific BR700-710A2-20 engines (S/N 12533 and 12534), bars use of any spare parts traced to them, and requires any BR700-710 engine with parts traceable to those engines to have those parts replaced with approved parts before further flight. It applies to operators, maintenance organisations and parts suppliers for BR700-710 engines and matters because compliance requires part-tracing, inspections and part replacement, creating direct costs and short-term operational disruption."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific incident involving two engines. It has not expanded beyond its original purpose of preventing re-use of damaged engine material from identified sources."},"complexity_factors":["Very short document (approximately 250 words of substantive content)","Only 3 specific requirements, clearly numbered","Limited applicability: only 2 specific engine serial numbers plus any parts traceable to them","Single cross-reference to manufacturer communication (WWC WW/20209/1/30) and German authority AD (D-2008-222)","No defined terms section — uses plain language and standard aviation terminology","Simple compliance structure: single deadline ('before further flight')","No nested exceptions or conditional logic"],"plain_english_summary":"This AD immediately grounds two Rolls‑Royce BR700‑710A2‑20 engines (S/N 12533 and 12534) and bans any of their parts from use. It affects operators of BR700‑710 series aircraft and maintenance organisations that hold or might install components from these engines.\n\nPrompted by damage in an incident and an LBA alert, the directive prevents potentially salvaged, hidden‑damage parts from being reused and risking in‑flight engine failure."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-br700-12-damaged-engine-material","history":"/api/acts/ad-br700-12-damaged-engine-material/history","analysis":"/api/acts/ad-br700-12-damaged-engine-material/analysis","conflicts":"/api/acts/ad-br700-12-damaged-engine-material/conflicts","importantCases":"/api/acts/ad-br700-12-damaged-engine-material/important-cases","documents":"/api/acts/ad-br700-12-damaged-engine-material/documents"}}