Jun 15, 2010
Incident
Minor Minneapolis, MN
InjuriesNone
Phase of Flight-
ConditionsUnk
OperationFAR UNK
Probable Cause
The failure of the facility that overhauled the 1st stage fan blade to properly restore the leading edge, which caused a flutter mode resulting in a fatigue crack and fracture of the fan blade.
NTSB ENG10IA037