EASA SIB 2007-02
FAA SAIB NE-06-52 - Rolls-Royce Corporation 250-C30, -C40 and -C47 series Engines Combustor Liners
EASA Safety Information Notice 2007-02 is an informational bulletin addressing issues with combustor liners in Rolls-Royce Corporation 250-C30, -C40, and -C47 series engines. These engines are installed in helicopters including Bell models 206, 230, 407, and 430; MD Helicopter models 369F, 369FF, and 600; and Sikorsky model S76A. The notice highlights concerns about the use of an unapproved material, Hastelloy X, in combustor liner mixing cups, which may affect engine performance.
Safety Information BulletinMaintenanceSafety MgmtBell 206Bell 230Bell 407Bell 430MD Helicopters 369FMD Helicopters 369FFMD Helicopters 600Sikorsky S76A