Airworthiness Directive · Amendment 39-17864 · Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
This AD applies to all Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-725A1-12 turbofan engines.
We are adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-725A1-12 turbofan engines. This AD requires removal of affected fuel metering units (FMUs) on RRD BR700-725A1-12 engines. This AD was prompted by reports of wear on the receptors of the double-ended unions in the FMU housing on BR700-725A1-12 engines causing fuel leakage. We are issuing this AD to prevent failure of the FMU, which could lead to damage to one or more engines and damage to the airplane.
(1) After the effective date of this AD, before the FMU has accumulated 650 flight hours (FHs) since new, or within 30 days, whichever occurs later, remove FMU, part number (P/N) G3000FMU02 or P/N G3000FMU03, and replace it with a part eligible for installation.
(2) Thereafter, remove the FMU at intervals not to exceed 650 FHs and replace it with a part eligible for installation.
After the effective date of this AD, do not install FMU, P/N G3000FMU02, onto any engine, or install any engine with FMU, P/N G3000FMU02, onto any airplane.
For the purpose of this AD, an FMU eligible for installation is a new FMU or an FMU with P/N G3000FMU03 that has accumulated fewer than 650 FHs since installation on any airplane or since last repair using RRD Alert Non-Modification Service Bulletin (NMSB) No. SB-BR700-73-A900309, Revision 1, dated November 8, 2013.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Engines
