EASA Regulations for Eurocopter EC155

1 airworthiness directives and regulations affecting Eurocopter EC155.

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EASA SIB 2008-41

May 19, 2008

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 Bulletin
  • Eurocopter EC155
  • Eurocopter SA365N
  • Eurocopter AS365N
  • Eurocopter SA366G1
  • Eurocopter SA360C
  • Eurocopter SA365C