Jul 21, 2003
Accident
Substantial KETCHIKAN, AK
Injuries1 minor
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
The improper installation of a bolt in the gas generator governor linkage by company maintenance personnel, which resulted in a loss of the bolt, a loss of engine power while maneuvering, and subsequent forced landing and collision with trees. Factors contributing to the accident were an inadequate preflight inspection by the pilot, and an uncommanded surge in engine power.
NTSB ANC03LA082