EASA SIB 2008-41
Eurocopter EC155, SA365N, AS365N, SA366G1, SA360C and SA365C series helicopters - MGB Casing Corrosion
EASA Safety Information Bulletin 2008-41 is an informational bulletin addressing corrosion issues in the Main Gearbox (MGB) casing of Eurocopter EC155, SA365N, AS365N, SA366G1, SA360C, and SA365C series helicopters. It references the French DGAC Emergency Airworthiness Directive UF-2008-004, which mandates inspection and repair of the MGB casing if corrosion is found. The bulletin applies to all serial numbers of these helicopter models equipped with MGBs delivered or overhauled before specified dates.
Safety Information BulletinMaintenanceSafety MgmtEurocopter EC155Eurocopter SA365NEurocopter AS365NEurocopter SA366G1Eurocopter SA360CEurocopter SA365C