Sep 2, 2002
Accident
Substantial Eagle Pass, TX
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The insufficient length of the stepper motor rack inside the HMU, which caused the red "GOV" light to illuminate and the fuel metering valve to freeze causing the engine to automatically engage the manual mode.
NTSB FTW02LA247