Oct 9, 2005
Incident
Minor Madison, WI
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The inadequate design of the engine's interstage transition duct that yielded after the LPT stage 3 blades had separated and allowed the uncontained release of turbine debris. A contributing factor was the separation of a turbine blade.
NTSB ENG06IA001