May 15, 1999
Accident
Substantial COEUR D'ALENE, ID
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The fatigue failure of a repair weld on one of the engine pylon mount straps and the resultant reduction in directional control. Factors include an inadequate repair of the strap, variable wind speeds and sudden wind shifts.
NTSB SEA99LA063